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Speed - Data - Voice - Quality

With the ad-free RadioOpt Traffic Monitor with built-in Today Extension (Widget) and Watch App you can check your 3G / 4G speed and keep an eye on network coverage and data usage on your smartphone. Integrated key-features: speed test for 3G / 4G networks, inspection of network availability and data usage monitoring.

Speed test

The speed test of the RadioOpt Traffic Monitor shows you the speed and latency of your UMTS, LTE and Wi-Fi network on a speedometer, separated into upload, download and ping speed. After each test you receive an assessment of your result, comparing it to users in your region. So you can find out if you surf the net faster or slower than the rest of the world. All speed tests are archived with all details and can be accessed anytime and viewed on the integrated map view. The archived data helps you to recognize speed variations quickly.


Discover the reasons of bad network performance with Traffic Monitor! The coverage map displays network availability depending on your current position. The network coverage of each provider is shown on the coverage map for select countries, with more countries added over time.

Data usage

Monitor your data usage in a self-specified period of time. Therefore you can set all your details of your data plan like the starting date of your billing period or your maximal data allowance. So you are always well-informed because Traffic Monitor warns you if you have exceeded your specified data volume. The all new Today Extension (Widget) gives you the opportunity to check your current data usage using the Notification Center.

Our latest release allows you to automatically track your data usage on a map, even when you are not actively using Traffic Monitor. You can activate and deactivate the background location feature at any time on the app's settings page.

You may recognize a permanent navigation needle in your status bar when the background location is enabled. Please note that the GPS is not permanently on in that case. Your iPhone just informs the Traffic Monitor application when your location has changed significantly (e.g. during your way to the office). This enables the Traffic Monitor to update your data usage automatically also when you are not actively using the app.

Traffic Monitor is for free and does not contain any ads!

We are happy about positive ratings and your feedback :-).

Thank you!

What’s New

Version 4.13

Our Watch App is back!

Ratings and Reviews

4.6 out of 5
291 Ratings

291 Ratings


Excellent utility app!

Traffic Monitor is an extremely useful app that runs on my phone 24/7. In addition to keeping track of your data use Traffic Monitor will show you where you use your data. Additionally, Traffic Monitor will test your connection speed and keep a history. Alarms can be set to let you know if you use too much data on a daily or monthly basis. Also, device information, memory, disk space, cpu load, location, direction, and speed are available. Traffic Monitor is stable and reliable.

retired68 ,

Testing has been very helpful.

This app has helped in finding where my speed is at and now i know why. I now have proof on my speeds at different times and dates to complain about their network downloads thank you
However i am having a problem with the network connecting

Rgfear ,

Not what I am looking for...

I have an iPhone 6+ running on Verizon LTE and / or WiFi with ATT Fiber @ 1000 gb.

This app seems to be designed for people who travel and have limits on their usage, which does not apply to me.

I do like that the device section provides details as to what the stats mean. But wish the app had info for ALL the tech info (for those of us who don’t speak I.T. Goober).

Lastly, I pulled up Speedtest via chrome browser and compared results to this app. In all cases (WiFi & Verizon), the on this app were WAY off. My admittedly old iPhone normally gets between 75 and 150 upload on Verizon & 150 to 280 on WiFi. This app constantly shows my speed at 10-50.

Since I can normally run everything fine including streaming, etc on my phone, I have to question the apps accuracy. I am deleting it and trying another one.


RadioOpt GmbH
20 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, German

Age Rating
Rated 4+
© 2019 RadioOpt GmbH


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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