The 10 best apps for cell signal strength on Android, iPhone

Ugh, dropped calls and slow internet are the WORST! 😩 Luckily, there are apps that can help you find the best signal strength on your phone! These apps show you the strength of your network, so you can find out where you have the best service. They also let you test your download and upload speeds, so you know how fast your internet is.

We've tested a ton of different apps and narrowed it down to the 10 best! Our top picks are Opensignal, Network Cell Info Lite & Wifi, and Meteor Speed Test 4G, 5G, WiFi - these three apps really stood out for being easy to use and packed with features. So whether you're trying to find the best spot for a video call or just want to make sure your internet isn't lagging, these apps have got you covered.

App Logo Available On Reviews Downloads Features
1. Opensignal Opensignal Icon Android, iOS 4.4/5 35M+ Geschwindigkeitstest für mobiles und WLAN-Internet
2. Network Cell Info Lite & Wifi Network Cell Info Lite & Wifi Icon Android, iOS 4.1/5 11M+ Real-time network monitoring, Signal strength history
3. Meteor Speed Test 4G, 5G, WiFi Meteor Speed Test 4G, 5G, WiFi Icon Android, iOS 4.8/5 8M+ Geschwindigkeitstest für Handy und WLAN, Verbindungsgeschwindigkeit testen
4. LTE Discovery (5G NR) LTE Discovery (5G NR) Icon Android 4.2/5 4M+ Live signal data in notification bar, Automatic mobile radio refresh
5. Signal Strength Signal Strength Icon Android 4.3/5 3M+ Signal meter 2G-5G, WiFi, Connectivity check, Speed test
6. GSM Signal Monitor & SIM Info GSM Signal Monitor & SIM Info Icon Android, iOS 4.3/5 628K+ Signal strength monitoring, Customizable alerts, SIM card information
7. Mobile Signal Finder Mobile Signal Finder Icon Android 3.5/5 586K+ Personal Coverage Map, Network Performance History
The 10 best apps for cell signal strength on Android, iPhone

1. Opensignal

Opensignal Icon

Accurate signal strength measurement, Detailed network coverage maps

Download:

Android iOS

Application information

Category Tools
Downloads Over 35 million
Features Opensignal is a free app that provides network coverage maps, speed tests for mobile and WiFi internet, video playback tests, and signal strength measurement for users to assess and compare mobile network performance.
Who It’s For Anyone who wants to know more about their mobile network's performance, including signal strength, speed, and video quality.
Opensignal - Geschwindigkeitstest für mobiles und WLAN-Internet
  • Tags:
  • Fast and accurate speed tests
  • Detailed signal strength maps
  • Real-time video load time testing

Opensignal is a powerful app for cell signal strength that leverages crowdsourced data to provide users with valuable insights into network performance. It offers a unique feature that allows you to see carrier stats based on location, helping you make informed decisions about network coverage. While the compass tower finder hasn't been consistently accurate, the app's ability to track ping, download, and upload speeds and even point you towards the nearest cell tower makes it a valuable tool for anyone seeking to optimize their mobile connectivity, especially during travel.

Pros & Cons

  • Crowd-sourced network metrics
  • Compares networks and speeds
  • Optimizes signal for road trips
  • Provides detailed speed and ping data
  • Compass tower finder inaccurate
  • Speed test results inconsistent
  • Stats reset unexpectedly on Pixel XL

Why we chose it?

Opensignal is a must-have for anyone who wants to understand their mobile network performance. It's packed with features like detailed signal strength maps, speed tests for both mobile and Wi-Fi, and even a video playback test to see how well your network handles streaming. Plus, it's completely free and ad-free, so you can use it without any distractions. Give Opensignal a try, and you'll be amazed at how much you can learn about your mobile network!

✨ Read more: app wifi analyzer

2. Network Cell Info Lite & Wifi

Network Cell Info Lite & Wifi Icon

Cellular and Wi-Fi monitoring, Signal strength measurement tools

Cost:

Free (Free), Network Cell Info Pro ($2.99/month (USA))


Download:

Android iOS

Application information

Category Tools
Downloads Over 10 Million Downloads
Features Network Cell Info Lite & Wifi offers signal strength monitoring, network diagnostics, Wi-Fi analysis, speed testing, and bad signal reporting for both cellular and Wi-Fi connections.
Who It’s For This app is for anyone who wants to improve their mobile experience by understanding and troubleshooting their cell signal strength and Wi-Fi connectivity.
Network Cell Info Lite & Wifi - Real-time network monitoring, Signal strength history
  • Tags:
  • Cellular network monitoring
  • Wi-Fi monitoring
  • Signal strength measurement

For those frustrated with unreliable cell service, Network Cell Info Lite & Wifi is a powerful app for cell signal strength that can be a lifesaver. Whether you're in a rural area with spotty coverage or just dealing with frustrating dropped calls, this app shines a light on the often-mysterious world of cell towers and signal strength. It provides detailed information on which towers you're connected to, the signal strength you're receiving, and even the frequency bands being used. This allows you to understand why your connection might be weak, helping you troubleshoot problems and potentially even guide you to install a signal booster for a stronger connection, like one user who saw a dramatic improvement after using the app to position their booster antennas.

Pros & Cons

  • Shows signal strength from towers
  • Helps find best signal location
  • Provides detailed technical information
  • Tracks cell tower and frequency band
  • Interface not very user friendly
  • Can be overwhelming for beginners
  • Requires some technical knowledge

Why we chose it?

Network Cell Info Lite & Wifi is a lifesaver for anyone struggling with weak cell signal! It gives you all the details you need to understand your connection, from signal strength and network type to the specific cell tower you're connected to. I love that it lets me track signal history and even report bad signals directly to my carrier, helping improve coverage for everyone!

3. Meteor Speed Test 4G, 5G, WiFi

Meteor Speed Test 4G, 5G, WiFi Icon

Test mobile and WiFi speed, Check app performance impact, Visualize network coverage map

Download:

Android iOS

Application information

Category Tools
Downloads Over 8 million downloads
Features This app lets you test your cellular and Wi-Fi speeds, check the performance of popular apps, and view a network coverage map for 3G, 4G, and 5G.
Who It’s For Anyone who wants to check their cell signal strength and internet speed, or who wants to see how their connection affects app performance.
Meteor Speed Test 4G, 5G, WiFi - Geschwindigkeitstest für Handy und WLAN, Verbindungsgeschwindigkeit testen
  • Tags:
  • Speed test: mobile, WiFi
  • Test app performance
  • Compare internet providers

Meteor Speed Test 4G, 5G, WiFi is an app for cell signal strength that offers a unique and visually engaging approach to testing your connection. While users appreciate its striking animations, they have raised concerns about its forced email sign-up to suggest additional apps and the lack of a stop button during testing. Despite these limitations, the app's speed test results seem accurate, and some users have noted improvements with subsequent updates. However, if you're seeking an app that lets you customize speed notations or stop tests midway, you may want to explore other options in the market.

Pros & Cons

  • Unique animations, stand out
  • Accurate speed test results
  • Easy to use interface
  • Provides network coverage map
  • Forced email registration
  • No option to stop test
  • May disconnect connection

Why we chose it?

Hey there! I'm a big fan of Meteor Speed Test 4G, 5G, WiFi! It's not just a basic speed tester, it gives you a clear picture of how your connection affects your favorite apps, which is super helpful. Plus, it has an awesome map feature that shows you real-time coverage for your network. I can always count on Meteor to give me an accurate and detailed view of my signal strength, which is super important for a smooth mobile experience!

4. LTE Discovery (5G NR)

LTE Discovery (5G NR) Icon

Identifies LTE and 5G bands, Live signal data in notification bar

Cost:

Free (Free), Premium ($4.99/month)


Download:

Android

Application information

Category Tools
Downloads Over 4 million downloads
Features LTE Discovery helps you find the best cell signal by identifying LTE and 5G bands, analyzing signal strength, and providing insights into your network connection.
Who It’s For Anyone looking to improve their cell signal strength, troubleshoot connectivity issues, or learn more about their cellular network.
LTE Discovery (5G NR) - Live signal data in notification bar, Automatic mobile radio refresh
  • Tags:
  • Advanced signal analysis
  • 5G identification
  • Real-time Signal Monitoring

LTE Discovery (5G NR) is a powerful app for cell signal strength that gives you a detailed understanding of your cellular connection. This app shines with its customizable overlay feature, allowing you to display signal strength, rate, and cell location directly on your phone's screen with adjustable transparency. With numerous signal metering options and a wealth of settings hidden behind each choice, you can tailor the app to monitor exactly what matters most to you. Users have praised the app for accurately detecting crucial bands like Band 12, but are eagerly awaiting the addition of Band 71 for a more complete picture of their cellular environment. While some users have reported recent issues with the app's signal reset function, the developers are known for their responsiveness and commitment to improvement, making LTE Discovery a valuable tool for anyone seeking deeper insights into their cell signal strength.

Pros & Cons

  • Overlay signal info on screen
  • Extensive signal monitoring options
  • Customizable transparency for overlay
  • Detects various signal bands
  • Hidden options require extra clicks
  • Missing support for certain bands
  • Signal reset bug causing issues

Why we chose it?

LTE Discovery (5G NR) is a must-have for anyone wanting to understand and improve their cell signal. It's packed with features like live band identification, signal data in the notification bar, and even the ability to refresh your cell radio to connect to the best signal available. This app provides in-depth insights into your network, letting you pinpoint the best spots for a strong connection. Whether you're a power user or just want to make sure you're getting the most out of your signal, LTE Discovery is a fantastic tool.

5. Signal Strength

Signal Strength Icon

Signal meter 2G, 3G, 4G, 5G, WiFi, Signal charts including logger

Cost:

Free (Free), Premium ($4.99/month)


Download:

Android

Application information

Category Tools
Downloads Over 3 million downloads
Features This app measures cell signal strength for 2G, 3G, 4G, and 5G networks, including WiFi, displays signal charts, checks connectivity, runs speed tests, and scans for WiFi networks.
Who It’s For Anyone who wants to find areas with strong cell signal and fast internet (4G/5G/WiFi) in their home or office.
Signal Strength - Signal meter 2G-5G, WiFi, Connectivity check, Speed test
  • Tags:
  • Signal Strength Meter
  • WiFi and Cellular
  • Signal logging

"Signal Strength" is a straightforward and effective app for cell signal strength, prioritizing clarity and ease of use. The app excels in displaying signal strength in a large, easily visible graphic, perfect for quickly finding a good spot to make a call while driving. It focuses on the essential data, avoiding unnecessary clutter and respecting user privacy by not demanding access to contacts. While the app's notification requiring location and phone permissions could be more user-friendly, it's a small drawback compared to the app's overall value. The user-friendly design and helpful features like the customizable widgets, which provide a quick glance at signal strength, make "Signal Strength" a valuable tool for anyone seeking to optimize their mobile experience.

Pros & Cons

  • Clear signal strength graphic
  • No unnecessary data access
  • Great widgets with customization
  • Accurate signal strength indicators
  • Annoying permission notification
  • No toggle for data/wifi in widgets
  • Widgets don't update automatically

Why we chose it?

I'm a big fan of Signal Strength! It's packed with features that make it a top-notch app for cell signal strength. I love the detailed signal charts, which help me visualize my signal strength over time, and the handy signal widgets that give me quick access to vital information. This app has everything you need to find the best signal, whether you're at home or on the go.

6. GSM Signal Monitor & SIM Info

GSM Signal Monitor & SIM Info Icon

Signal strength monitoring and alerts, Customizable notification methods

Cost:

Free (Free), Premium ($2.99/month)


Download:

Android iOS

Application information

Category Tools
Downloads Over 600,000 downloads
Features The app monitors signal strength, notifies you of low or no signal, alerts when signal is restored, tracks mobile data availability, and provides SIM card information.
Who It’s For Users concerned about low cell signal, people living or working in areas with weak coverage, or those who need to be notified about signal changes.
GSM Signal Monitor & SIM Info - Signal strength monitoring, Customizable alerts, SIM card information

If you're tired of dropped calls and unreliable data connections, "GSM Signal Monitor & SIM Info" is a powerful app for cell signal strength that can keep you in the loop. This app notifies you when you're out of service, even providing handy alerts for lost mobile data or roaming areas. While it delivers on its promise of keeping you informed, some users have reported that the app doesn't always accurately reflect their signal strength, and it can also cause the phone to wake up repeatedly when charging. Despite these quirks, the app's useful features, including detailed SIM card information, might make it worth a try for those seeking greater control over their mobile connection.

Pros & Cons

  • Notifies when no service
  • Provides useful features
  • Tracks signal strength
  • Displays SIM card info
  • Inaccurate signal readings
  • Wakes phone on charger
  • No export log option

Why we chose it?

I love GSM Signal Monitor & SIM Info for its simplicity and reliability! It's a breeze to set up and use, giving you clear alerts when your signal drops or returns. Plus, it provides all the essential SIM card information you might need, making it a valuable tool for anyone who wants to stay connected and informed about their mobile service.

7. Mobile Signal Finder

Mobile Signal Finder Icon

Real-time signal strength data, Historical signal strength analysis

Download:

Android

Application information

Category Tools
Downloads Over 585,000 downloads
Features Mobile Signal Finder offers a detailed view of cell signal strength, including 2G, 3G, 4G, and 5G data, network performance history, and a personalized coverage map.
Who It’s For Anyone who wants to understand their mobile signal strength, find areas with better coverage, or monitor their network performance.
Mobile Signal Finder - Personal Coverage Map, Network Performance History
  • Tags:
  • Real-time Signal Monitoring
  • Personal coverage mapping
  • Historical network performance

"Mobile Signal Finder" is a handy app for cell signal strength that helps you understand and visualize your network coverage. It lets you see real-time signal strength for 2G, 3G, 4G, and 5G networks, providing a clear picture of where you get the best and worst signal. You can also track your signal history, giving you valuable insights into coverage trends over time. While some users have noted the app doesn't always display 5G-NR on T-Mobile, it's still a valuable tool for anyone who wants to optimize their mobile signal experience.

Pros & Cons

  • Shows signal strength details
  • Provides signal history tracking
  • Crowdsourced map for signal info
  • Helpful for finding better signal
  • May not show all 5G bands
  • Lacks customization for signal quality
  • Doesn't pinpoint nearest cell tower

Why we chose it?

I'm a big fan of Mobile Signal Finder because it goes beyond just showing signal strength. It gives you a detailed breakdown of your signal parameters, including 2G, 3G, 4G, and 5G networks, which is super helpful for understanding what's affecting your connection. Plus, the ability to view historical signal data lets me identify patterns and troubleshoot issues, making it a truly valuable tool for anyone who wants to optimize their mobile signal.

8. Network Cell Info & Wifi

Network Cell Info & Wifi Icon

Monitor cellular and Wi-Fi signal, Identify connected cell tower details

Cost:

Free (Free), Pro ($0.99/month)


Download:

Android iOS

Application information

Category Tools
Downloads Over 380,000 downloads
Features Network Cell Info & Wifi lets you monitor signal strength, identify your connected cell tower, track signal history, diagnose connectivity issues, and report bad signals.
Who It’s For Anyone who wants to improve their mobile experience and achieve the strongest possible cell signal strength.
Network Cell Info & Wifi - Signal strength history, Bad signal reporter, 5G support
  • Tags:
  • Network monitoring
  • Signal strength
  • Bad signal reporter

Network Cell Info & Wifi is a powerful app for cell signal strength that puts a wealth of data at your fingertips. This app can be a lifesaver for those struggling with weak cellular signals, as one user enthusiastically shared how it helped them find the perfect placement for their cell booster. The app offers a wealth of information, including graphs, gauges, and maps, all designed to be easy to understand and utilize. Even if you're not a technical whiz, the main signal indicator is easy to use, and the app can guide you toward stronger signals, whether it's finding the best position for an antenna or just understanding where your signal is weakest. While some users might find the sheer amount of data initially overwhelming, most agree that it's an incredibly useful tool for anyone looking to boost their cell signal and improve their mobile experience.

Pros & Cons

  • Provides detailed signal strength data
  • Helps identify best antenna placement
  • Useful for cell booster installation
  • Easy-to-read data visualization
  • May be confusing for beginners
  • Compatibility issues with Android 9
  • Requires understanding of technical terms

Why we chose it?

Network Cell Info & Wifi is a fantastic choice for anyone looking to improve their cell signal strength! I love that it provides detailed information about my cellular network and Wi-Fi, including signal strength, tower location, and even network type. It's also super helpful for troubleshooting connectivity issues and reporting bad signals, so the network can work on improving coverage in my area!

9. Net Signal Pro

Net Signal Pro Icon

Accurate signal strength readings, Detailed cellular network info

Download:

Android

Application information

Category Tools
Downloads Over 285,000 downloads
Features Net Signal Pro provides comprehensive information on cellular and Wi-Fi signal strength, including signal strength in dBm, network type, IP address, and more.
Who It’s For Anyone who wants to optimize their mobile device's cellular and Wi-Fi connection for better performance and speed.
Net Signal Pro - Accurate signal strength, Cellular and WiFi info, WiFi roaming
  • Tags:
  • Accurate Signal Strength
  • Cellular and WiFi Signals
  • WiFi Roaming Analysis

Net Signal Pro is an app for cell signal strength that provides a detailed look at your current WiFi connectivity. It showcases vital information like signal strength (in both percentage and dBm), link speed, and your local IP address. While users have noted that the app can be slow to refresh and sometimes struggles to connect, it's still a useful tool for understanding the strength of your WiFi connection. However, some users have found the app's lack of functionality, such as the inability to display all signals or choose custom backgrounds, to be a bit underwhelming.

Pros & Cons

  • Shows WiFi signal strength
  • Displays link speed and IP
  • Provides up/download throughput
  • Offers customizable background images
  • Inconsistent performance, rarely works
  • Doesn't show all signal strength
  • Limited background image options

Why we chose it?

Net Signal Pro is a fantastic app for checking cell signal strength, and I highly recommend it! It's easy to use, and gives you detailed information about your network, including signal strength in dBm, network type, and operator. I especially love its ability to display both cellular and WiFi signal strength, making it a comprehensive tool for finding the best connectivity spots.

10. Network Signal Strength On Map

Network Signal Strength On Map Icon

Real-time signal strength updates, Signal strength visualization on map

Cost:

Free (Free), Premium ($2.99/month)


Download:

Android

Application information

Category Tools
Downloads Over 32,000 downloads
Features This app allows you to check your cell signal strength, monitor your internet speed, and view historical speed data on a map, making it easy to find areas with strong signal.
Who It’s For Anyone who wants to monitor their cell signal strength and internet speed, especially those who travel frequently or work in areas with inconsistent coverage.
Network Signal Strength On Map - Real-time signal strength, Internet speed test, Network history on map
  • Tags:
  • Real-Time Signal Strength
  • Internet Speed Test
  • Network signal map

"Network Signal Strength On Map" is a powerful app for cell signal strength that provides valuable insights into your mobile network performance. This app, praised by professionals in the cellular technology industry for its accuracy, allows you to monitor your signal strength in real-time, pinpoint areas with optimal signal, and even analyze historical data to understand network trends. While some users have reported issues with the compass feature, the core functionality of this app for tracking cell signal remains highly regarded.

Pros & Cons

  • Accurate signal strength information
  • Helpful for cell technology professionals
  • Provides network coverage visualization
  • Easy to use and understand
  • Compass feature may not work
  • Paid feature for compass functionality
  • Limited information on signal quality

Why we chose it?

Network Signal Strength On Map is a must-have for anyone who wants to get the most out of their cellular connection! It's super easy to use, and provides detailed information on your signal strength, including real-time updates and a handy history feature to track how your signal changes throughout the day. And, it even includes a built-in speed test so you can make sure you're getting the fastest possible internet speeds!