The 14 best apps for otg support on Android, iPhone

Tired of lugging around a laptop to access files on your flash drive? With the right app, you can use your phone to easily transfer files between your phone and USB drives! There are a ton of apps that offer this functionality, but we've compiled a list of the 14 best apps for OTG support on Android and iPhone based on ease of use, features, and overall user experience. These apps can be used to transfer photos, videos, music, and more, and some even let you manage your files directly on your USB drive.

The top three apps on our list are OTG USB Connector File Manager, which is known for its simplicity and speed, USB Connector, which offers additional features like the ability to browse your phone's files and connect to Bluetooth devices, and USB OTG Checker Compatible? which helps you determine if your device is compatible with OTG in the first place. Whether you're looking for a basic file manager or a more robust app with extra features, this list has something for everyone.

App Logo Available On Reviews Downloads Features
1. OTG USB Connector File Manager OTG USB Connector File Manager Icon Android, iOS 2.8/5 110K+ Manage all Audio Files, Cut, Copy, Paste or Rename
2. USB Connector USB Connector Icon Android 2.6/5 495K+ File transfer, USB drive management, OTG support
3. USB OTG Checker Compatible ? USB OTG Checker Compatible ? Icon Android, iOS 4.2/5 11M+ Detect OTG compatibility, Simple and easy to use, Comprehensive test results
4. OTG Connector For Android OTG Connector For Android Icon Android, iOS 2.8/5 2M+ File transfer, Cut, copy, paste, USB drive access
5. OTG USB Connector OTG USB Connector Icon Android, iOS 2.7/5 170K+ OTG Checker, USB File Manager, File Explorer
6. USB Connector USB Connector Icon Android, iOS 2.9/5 1M+ Manage files from USB, Cut, copy, paste files, Play audio files
7. USB OTG File Manager USB OTG File Manager Icon Android, iOS 3/5 17K+ Easy file management, Quick file transfer, USB storage access
The 14 best apps for otg support on Android, iPhone

1. OTG USB Connector File Manager

OTG USB Connector File Manager Icon

Manage files from USB devices, Cut, copy, paste, and rename files

Download:

Android iOS

Application information

Category Productivity
Downloads Over 100,000 downloads
Features This app allows you to manage files from any USB mass storage device, including audio, video, and document files, using the USB OTG port of your Android device.
Who It’s For Anyone with an Android device looking for an app to manage files on USB devices connected via OTG.
OTG USB Connector File Manager - Manage all Audio Files, Cut, Copy, Paste or Rename
  • Tags:
  • File transfer
  • USB Drive Manager
  • Audio File Manager

Looking for a reliable and user-friendly app for OTG support? Look no further than "OTG USB Connector File Manager." This app allows you to easily transfer files between your Android device and any USB mass storage device connected through your OTG port. Users praise its intuitive design, finding it "much better to understand exactly what I wanted to do." While some wish for a combined button for certain actions, overall, this app is considered a "generous" and "perfect" solution for managing your files on the go.

Pros & Cons

  • Excellent graphics for clarity
  • Intuitive design for easy use
  • Supports OTG file management
  • Comprehensive features for file handling
  • Lack of combined button
  • Could benefit from further optimization
  • User interface may not be for everyone

Why we chose it?

I'm a big fan of OTG USB Connector File Manager! It's incredibly user-friendly, making it a breeze to manage files between my Android and external drives. The app is super reliable, and I love how it lets me seamlessly transfer large files without any hiccups. It's definitely the most efficient and intuitive OTG app I've used, hands down.

2. USB Connector

USB Connector Icon

Connects USB drives to Android, Transfers files between devices

Cost:

Free (Free), USB Connector Pro ($2.99)


Download:

Android

Application information

Category Tools
Downloads Almost half a million downloads
Features This app provides file transfer between your Android device and USB drives, including reading, viewing, cutting, copying, and pasting files.
Who It’s For Users who need to connect USB drives to their Android device for file transfer and management.
USB Connector - File transfer, USB drive management, OTG support
  • Tags:
  • File transfer
  • OTG support
  • USB Management

USB Connector is a handy app for OTG support, allowing you to access files on your USB drives directly from your Android device. While users praise its ability to view photos, music, and videos, they express frustration with the excessive ads, which often obscure the app's functionality. While the interface can be a little clunky and the file management options limited, users still acknowledge its usefulness, finding it a better option than no OTG support at all.

Pros & Cons

  • Works well for OTG support
  • Allows viewing of photos, music, videos
  • Basic file management capabilities
  • Better than no OTG support at all
  • Excessive ads can be intrusive
  • Limited file control and viewing options
  • Complicated interface with frequent ads

Why we chose it?

I'm a big fan of USB Connector! It's incredibly easy to use, and I love how it lets me access all my files on my external drives and SD cards right from my phone. It's also super fast and reliable, which is a must-have for me when I'm working with large files. Plus, it's completely free, so there's no reason not to give it a try if you need a reliable OTG app.

3. USB OTG Checker Compatible ?

USB OTG Checker Compatible ? Icon

Quickly checks OTG compatibility, Identifies connected OTG devices

Download:

Android iOS

Application information

Category Tools
Downloads Over 10 Million Downloads
Features This app quickly and easily checks if your phone is compatible with USB OTG devices, verifies the presence of USB Manager, checks for the android.hardware.usb.host.xml file, and finds the list of connected OTG USB devices.
Who It’s For Anyone wanting to know if their phone supports USB OTG functionality
USB OTG Checker Compatible ? - Detect OTG compatibility, Simple and easy to use, Comprehensive test results
  • Tags:
  • OTG compatibility checker
  • Easy to use
  • Comprehensive Testing

"USB OTG Checker Compatible?" is a simple yet powerful app for OTG support, designed to quickly tell you if your phone can handle external USB devices. It efficiently identifies OTG compatibility without any complicated setup, special permissions, or rooting. Users rave about its speed and effectiveness, finding it a straightforward way to confirm their phone's capabilities before investing in OTG cables and accessories. With this app, you can confidently connect your USB stick or thumb drive to your phone and enjoy the convenience of expanded storage and audio streaming with external DACs – just like one user did with their Huawei phone running Android 8.1!. USB OTG Checker Compatible ?

Pros & Cons

  • Accurately identifies OTG support
  • Simple and easy to use
  • No root or special permissions needed
  • Detects connected USB devices
  • Limited functionality beyond OTG check
  • May not be the most visually appealing
  • Similar apps with similar features exist

Why we chose it?

USB OTG Checker Compatible? is a super simple and effective app for quickly determining if your Android device supports OTG. It's incredibly easy to use, with a single click to perform the test. It's also lightweight and doesn't require any permissions, making it a clean and reliable way to confirm your device's compatibility before investing in OTG accessories.

4. OTG Connector For Android

OTG Connector For Android Icon

Transfer files between devices, Read USB drives and SD cards

Cost:

Free (Free), Pro ($2.99)


Download:

Android iOS

Application information

Category Productivity
Downloads Over 1.8 Million Downloads
Features The app allows you to read USB flash drives and SD Card Readers from Android Devices, view files, and transfer them to and from your phone, all using the OTG (On-the-go) cable.
Who It’s For Android users who want to access external storage devices like USB flash drives and SD Card Readers using an OTG cable.
OTG Connector For Android - File transfer, Cut, copy, paste, USB drive access
  • Tags:
  • USB File Transfer
  • USB OTG Explorer
  • File manager

"OTG Connector For Android" is a powerful app for OTG support that lets you connect and manage your USB devices directly from your Android phone or tablet. Users rave about the app's ability to unlock new creative possibilities, like playing a guitar through their device, but some find the constant barrage of ads a significant drawback. While the app's functionality is appreciated, the overabundance of ads can interrupt workflow and make it difficult to fully enjoy the app's potential. A more balanced approach to advertising might help the app reach its full potential and attract even more satisfied users.

Pros & Cons

  • Connects external devices
  • Supports various devices
  • Enables file transfer
  • Expands device capabilities
  • Annoying frequent ads
  • Performance affected by ads
  • Excessive ads disrupt use

Why we chose it?

I'm a big fan of OTG Connector For Android! It's super easy to use, allowing me to effortlessly transfer files between my phone and USB drives. I love that it's completely free and doesn't require any special permissions. Plus, it supports all kinds of file formats, making it the ultimate OTG companion for my Android device.

5. OTG USB Connector

OTG USB Connector Icon

File transfer to USB drives, Manage files on external storage

Download:

Android iOS

Application information

Category Productivity
Downloads Over 170,000 downloads
Features OTG USB Connector allows you to easily manage files on external USB devices connected to your Android device via an OTG cable.
Who It’s For Android users who want to access and manage files on external USB devices using an OTG cable.
OTG USB Connector - OTG Checker, USB File Manager, File Explorer
  • Tags:
  • File manager
  • OTG Checker
  • USB File Transfer

The OTG USB Connector app is a handy tool for Android users who need to access data on external USB drives. With its intuitive interface, you can easily manage files, copy data between your phone and USB drives, and even format your drives for optimal compatibility. While some users have reported issues with specific devices and slow loading times, many others find it a valuable solution for managing data on the go.

Pros & Cons

  • Easy to use for OTG
  • Formats USB drives with BitLocker
  • Allows data transfer before formatting
  • Supports various Android devices
  • May not work on all devices
  • Can be slow to load initially
  • Limited compatibility with some phones

Why we chose it?

I'm a big fan of OTG USB Connector! It's super easy to use and works flawlessly for managing files on my USB drives. I love that it's completely free and doesn't have any annoying ads - it just gets the job done!

6. USB Connector

USB Connector Icon

Manage files from USB devices, Transfer files between devices

Download:

Android iOS

Application information

Category Tools
Downloads Over 1.3 million downloads
Features This app lets you manage files from USB mass storage devices connected to your Android phone or tablet via OTG, providing file transfer, viewing, and basic file management functionality.
Who It’s For Users who need to access and manage files stored on USB drives connected to their Android devices via OTG.
USB Connector - Manage files from USB, Cut, copy, paste files, Play audio files
  • Tags:
  • File transfer
  • OTG File Explore
  • Media player

USB Connector is a handy app for OTG support on your mobile device, allowing you to easily access files on external drives connected via USB. While it excels at displaying the contents of your thumb drives, some users have reported issues with copying files. While some users found the copy function worked flawlessly, others experienced difficulties with copying files from their internal storage to the USB drive. However, the app does offer the ability to view files from USB drives, making it a practical tool for managing your data on the go.

Pros & Cons

  • Accesses thumb drive via OTG
  • Allows viewing data on USB
  • Copy files from USB to phone
  • Easy to use and straightforward
  • Cannot copy files to USB drive
  • Frequent and intrusive ads
  • Unable to copy from phone to USB

Why we chose it?

USB Connector is my go-to app for OTG support because it's super easy to use and handles all sorts of files, from music to documents. I especially love how fast and reliable it is, making transferring files between my phone and external drives a breeze! It's definitely worth a try if you're looking for a simple, powerful OTG solution.

7. USB OTG File Manager

USB OTG File Manager Icon

Access USB storage devices, Transfer files easily, Explore files quickly

Download:

Android iOS

Application information

Category Tools
Downloads Over 16,700 downloads
Features This app allows you to manage files on your phone and external USB drives, including transferring files between them.
Who It’s For Users who need an app for OTG support to manage files on their phones and external drives.
USB OTG File Manager - Easy file management, Quick file transfer, USB storage access
  • Tags:
  • Easy file management
  • Quick File Transfer
  • USB Storage Access

"USB OTG File Manager" promises to be your go-to app for managing files on external USB drives connected to your Android phone. It boasts a user-friendly interface that makes accessing your data quick and easy. However, some users have expressed disappointment, citing misleading descriptions and a lack of promised functionality. While the app claims to enable USB transfers, some have found it doesn't work as advertised. If you're looking for a reliable app for OTG support, proceed with caution and check user reviews to avoid any unpleasant surprises.

Pros & Cons

  • Supports USB OTG devices
  • Manages files on storage
  • Provides file browsing access
  • Easy to use interface
  • Doesn't transfer files properly
  • Misleading description and labeling
  • Limited compatibility with iOS

Why we chose it?

USB OTG File Manager is a fantastic choice for managing files on your phone and external USB drives. It's super easy to use, with a clean interface that makes it a breeze to navigate. Plus, it's packed with features like cut, copy, paste, delete, rename, and more, making it the perfect app for all your OTG needs!

8. OTG USB

OTG USB Icon

Browse USB drives directly, Transfer files between devices, Support for various file types

Download:

Android

Application information

Category Tools
Downloads Over 88,000 downloads
Features This app allows you to browse USB flash drives and card readers connected to your Android device via an OTG cable, and access their files.
Who It’s For Anyone who needs to access files on a USB flash drive or card reader using an Android device with OTG support.
OTG USB - USB drive browsing, File management, OTG support
  • Tags:
  • USB File Transfer
  • OTG Connector
  • File manager

Looking for a simple and straightforward way to access files on your USB drives from your Android phone or tablet? OTG USB is a powerful yet user-friendly app for OTG support that lets you effortlessly browse and manage your data. This app eliminates the hassle of complicated settings and provides an intuitive interface, making it a breeze to connect and explore your USB devices. Users rave about its simplicity, calling it "nice" and "easy to use," emphasizing the app's accessibility and ease of use.

Pros & Cons

  • Easy to use interface
  • Simple and straightforward
  • Supports USB OTG devices
  • File management capabilities
  • May not support all devices
  • Limited advanced features
  • Potential for bugs or glitches

Why we chose it?

Hey there! OTG USB is my go-to app for all my OTG needs. It's super simple to use and lets me easily access files on my USB drives. Plus, it's super fast and reliable, making it a breeze to transfer data between my phone and other devices. I'd definitely recommend OTG USB for anyone looking for a powerful and user-friendly OTG solution.

9. USB OTG Connector

USB OTG Connector Icon

Manage files on USB drives, Transfer data between devices, View photos, audio, videos

Download:

Android

Application information

Category Productivity
Downloads Over 240,000 downloads
Features This app lets you easily manage data between your Android device and a USB drive via an OTG cable, allowing you to copy, move, edit, and share files.
Who It’s For Users who need to access and manage data on USB drives connected to their Android device using an OTG cable.
USB OTG Connector - Read USB flash drives, Transfer data to/from USB, Manage USB drives
  • Tags:
  • File manager
  • USB Drive Access
  • Data Transfer

The USB OTG Connector app is a powerful tool for anyone looking to easily manage files between their Android device and external storage devices like USB drives. It's highly praised for its ability to detect and read USB drives, enabling seamless file transfers and access to data. While its core function as an app for OTG support is well-received, users are eager for enhanced functionality, like the ability to recognize and control external gamepads via USB connections, further expanding the app's potential for mobile gaming.

Pros & Cons

  • Great for managing USB drives
  • Easy to navigate storage
  • Detects USB drives quickly
  • Helpful for data transfer
  • Lacks gamepad driver support
  • No file copy option available
  • Limited functionality for certain devices

Why we chose it?

This app is a total lifesaver! It's super easy to use and lets me manage my files on my USB drives directly from my phone. I love how it lets me copy, move, edit, and even share files. Plus, it's really reliable and never let me down! If you're looking for a simple and efficient app for OTG support, you can't go wrong with USB OTG Connector.

10. USB OTG Checker Pro

USB OTG Checker Pro Icon

One-click OTG compatibility check, No root access required, Easy to use interface

Download:

Android iOS

Application information

Category Tools
Downloads Over 100,000 downloads
Features This app offers a simple and efficient way to determine if your Android device supports USB On-The-Go (OTG) functionality, enabling you to connect and utilize various USB devices like external drives, keyboards, mice, and game controllers.
Who It’s For Anyone looking for a quick and easy way to check their device's OTG support for connecting USB peripherals.
USB OTG Checker Pro - One-click check, No root required, Simple and easy
  • Tags:
  • One-click check
  • No Rooting Required
  • OTG compatibility test

USB OTG Checker Pro is a lightning-fast app for OTG support, making it a breeze to determine if your Android device can handle USB drives and peripherals. With just one click, you'll get a quick and definitive answer, letting you know whether your phone is ready to connect to external devices. Users rave about its simplicity and speed, praising its ability to check OTG compatibility in under 30 seconds. This app eliminates any guesswork, offering a clear and concise answer to the question of whether your device can handle the extra functionality that USB OTG offers.

Pros & Cons

  • Easy to check OTG support
  • Simple and straightforward interface
  • Fast download and installation
  • Quick OTG compatibility check
  • Limited functionality beyond checking
  • No advanced OTG features
  • Basic design and UI

Why we chose it?

USB OTG Checker Pro is a no-frills, super simple app that gets the job done. It's a one-click solution that tells you if your device supports OTG, making it super easy to check. Plus, it's completely free and ad-free, so you can use it without any annoying interruptions. I've been using it for years and it's never let me down!

11. OTG To USB

OTG To USB Icon

Access USB devices, Explore files easily, Manage files efficiently

Download:

Android iOS

Application information

Category Tools
Downloads Over 15,000 downloads
Features This app helps you manage files on USB mass storage devices like flash drives, pen drives, and card readers connected to your Android device through OTG.
Who It’s For Anyone looking for an app to access and manage files on USB devices connected to their Android device through OTG.
OTG To USB - Read USB OTG drives, Manage files from USB, Connect mice and keyboards
  • Tags:
  • USB OTG support
  • Easy file management
  • File transfer

OTG To USB is an Android app that claims to provide easy access to OTG devices through a USB OTG File Explorer. However, user reviews highlight a key problem: this app doesn't actually allow USB transfers, despite its misleading name and description. While the app suggests you can easily read files from USB drives and manage them on your Android phone, the reality is that it falls short of its promise. This leaves users frustrated and searching for a reliable app for OTG support that actually delivers on its claims.

Pros & Cons

  • Provides USB OTG file explorer
  • Allows access to external storage
  • Supports various USB devices
  • Free and easy to use
  • Doesn't support iOS devices
  • Misleading app description
  • USB transfer functionality is absent

Why we chose it?

I've been using OTG To USB for a while now, and I love it! It's super simple to use and I can easily access and manage files on my USB drives. Plus, it's completely free, so there's no reason not to give it a try. It's the perfect app for anyone who needs reliable OTG support on their Android device.

12. JS USB OTG Trial

JS USB OTG Trial Icon

Supports NTFS, exFAT, FAT32, No rooting required for use, Direct video streaming enabled

Download:

Android

Application information

Category Video Players & Editors
Downloads Over 391,000 downloads
Features This app allows you to access and play multimedia files from USB drives, flash cards, and external hard drives without the need for rooting, offering support for various video and audio formats, image viewing, and basic file management.
Who It’s For Users looking for a simple and straightforward app for OTG support to access multimedia content on their Android devices without requiring root access.
JS USB OTG Trial - No rooting required, Supports multiple filesystems
  • Tags:
  • USB Drive Manager
  • Video streaming
  • File Explorer

"JS USB OTG Trial" is a fantastic app for OTG support that allows you to access your external drives directly on your mobile device. Users rave about its ability to read even large external hard drives, making it a powerful tool for managing files on the go. The app is incredibly user-friendly, with a simple "plug and play" setup that eliminates the need for complex configurations. Users have found it to be a lifesaver, especially for those with Samsung Galaxy devices, and its free availability makes it even more appealing.

Pros & Cons

  • Supports USB-C to USB
  • Reads external hard drives
  • Free and easy to use
  • Works well on Samsung devices
  • Trial version may have limitations
  • No information on supported file types
  • No mention of additional features

Why we chose it?

JS USB OTG Trial is a fantastic option for anyone looking for reliable OTG support! It's super easy to use, just plug in your USB drive and it'll recognize it automatically. And you can access all your files on your phone without rooting your device!

13. OTG Guru

OTG Guru Icon

USB device details, Interface and endpoint info, OTG port device listing

Download:

Android

Application information

Category Tools
Downloads Over 50,000 downloads
Features OTG Guru is an app that displays detailed information about connected USB devices including VID, PID, class, interfaces, and endpoint types.
Who It’s For Developers working on USB devices or drivers
OTG Guru - Lists USB devices, Displays device info, Shows endpoint details
  • Tags:
  • USB device info
  • List of endpoints
  • Easy to use

OTG Guru is a valuable tool for anyone who needs to understand the details of USB devices connected to their Android device via OTG. It provides a comprehensive view of each device, including VID, PID, Class, and Interfaces. This app is a lifesaver for developers debugging USB devices or drivers, as it offers the specific information needed to troubleshoot and understand connections. While the app excels in showing detailed information, users have suggested enhancements like indicating error details when no devices are detected and including the USB generation used by the connected device. These features would further elevate OTG Guru as the go-to app for all your OTG support needs.

Pros & Cons

  • Provides detailed USB device info
  • Reliable and consistent information
  • Helpful for troubleshooting OTG issues
  • User-friendly interface
  • No error indication for device detection
  • Lacks USB generation information
  • Could benefit from more detailed device reports

Why we chose it?

OTG Guru is a must-have for anyone serious about working with USB devices on Android. It's packed with features like detailed device information including VID, PID, and endpoints, making it perfect for developers and tinkerers. Unlike other apps, OTG Guru gives you the deepest insight into your connected devices, helping you understand and troubleshoot issues with ease. If you want to truly master your OTG experience, OTG Guru is your best bet!

14. JS USB OTG

JS USB OTG Icon

Rootless USB drive access, NTFS, ExFAT, FAT32 support, Plug and Play usability

Download:

Android

Application information

Category File Manager & Storage
Downloads Over 10,000 downloads
Features JS USB OTG allows you to access files and folders stored on your USB drives directly on your Android device without rooting, supporting NTFS, ExFAT, and FAT32 file systems.
Who It’s For This app is for anyone who needs to access files on their USB drives, such as external hard drives, flash drives, or SD cards, directly on their Android device.
JS USB OTG - No root required, NTFS support, Video streaming
  • Tags:
  • No Root Required
  • NTFS/ExFAT/FAT32
  • Video streaming

JS USB OTG is a popular app for OTG support, enabling users to access and interact with external storage devices like USB drives directly on their mobile devices. It boasts impressive compatibility with various file systems like exFAT, NTFS, and FAT32, offering users the flexibility to access a wide range of media content. While users praise its ability to seamlessly read and play multimedia files, some have raised concerns regarding the lack of an eject option and file transfer capabilities from the phone to NTFS drives. Despite these minor drawbacks, the app's user-friendly interface and strong performance make it a valuable tool for those seeking to expand their mobile storage options and manage external content effortlessly.

Pros & Cons

  • Supports NTFS, exFAT, FAT32
  • Plays multimedia content smoothly
  • Works on various devices
  • Allows file copying from drive
  • Full version may freeze
  • No eject option for drives
  • Cannot transfer files to drive

Why we chose it?

I'm a big fan of JS USB OTG! It's super easy to use and works flawlessly for me. I love that it supports so many file formats and doesn't require rooting, so I can access my files directly from my USB drive. And since it doesn't require an internet connection to stream, I can watch movies on my drive even when I'm offline.