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Last updated on: 2025-01-31
Android Apps > Tools > Radioactivity Counter
Radioactivity Counter icon

Radioactivity Counter

2.1
Rolf-Dieter Klein
4.30
430 reviews
10,000+
Downloads
$4.49

REAL Radioactivity counter based on a camera sensor, no extra hardware required

Radioactivity Counter Screenshot
Radioactivity Counter Screenshot
Radioactivity Counter Screenshot
Radioactivity Counter Screenshot
Radioactivity Counter Screenshot
Radioactivity Counter Screenshot
Radioactivity Counter Screenshot

About Radioactivity Counter

Radioactivity Counter is a tools app developed by Rolf-Dieter Klein. The APK has been available since September 2011. In the last 30 days, the app was downloaded about 5 times.
It's currently not in the top ranks.
It's rated 4.30 out of 5 stars, based on 430 ratings. The last update of the app was on May 31, 2018. Radioactivity Counter has a content rating "Everyone".
Radioactivity Counter has an APK download size of 2.35 MB and the latest version available is 2.1. Designed for Android version 4.0.3+. Radioactivity Counter costs $4.49 to download.
Description
Radioactivity Counter
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More data about Radioactivity Counter

Price $4.49
Total downloads 24 thousand
Recent downloads 5
Rating 4.30 based on 430 ratings
Ranking Not ranked
Version 2.1
APK size 2.35 MB
Number of libraries 1
Designed for Android 4.0.3+
Suitable for Everyone
Ads NO ads

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Radioactivity Counter compared with similar apps

Common keywords of similar apps

Noise Counter Values Counts Radioactivity Beta Homepage Cpm Saving Rev Real Tape Cover Phones Email Attention Low Required Lenses Area Tested Cmos Higher Gm Send Feedback Check Calibration Contact Button Menu Comment Problems Videos Minute Background Tables Radiation Camera Sensor Device Gamma Detect Measure Data Mobile Sensors Phone Devices Light

Keywords missing from this app

Detector Emf App Hidden Spy Magnetic Meter Infrared Field Find Free Finder Cameras Nuclear Electromagnetic Easily Detection Time Application Radiations Electronic Detecting Levels Recent Exposure Work Metal Show User Features Dosimeter Ultimate Safe Level Feature Privacy

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Google Play Rating history and histogram

290
53
26
5
37

Downloads over time

Radioactivity Counter has been downloaded 24 thousand times. Over the past 30 days, it has been downloaded 5 times.

Changelog

Show changelog

Developer information for Rolf-Dieter Klein

Rolf-Dieter Klein

rdklein@rdklein.de

Website

Dipl. Ing. Rolf-Dieter Klein
Strassbergerstr. 34
80809 Munich
Germany

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Comments on Radioactivity Counter for Android

★★★★★ This app is great it really works I've tested it against a Geiger Counter the readings were accurate to love it!!!
★★★★★ Not a novelty! Not sure on accuracy or sensitivity, but it worked a treat. My wife had treatment where she took radioactive iodine for a thyroid condition and the count showed at least 20 times the amount of background radiation near her throat as expected. I placed a small layer of aluminum foil held over the lens by tape. Make sure no light gets in i.e. test background count with and without a light shining on it.
★★★★★ Elegant and Powerful Surprisingly accurate when compared to a dedicated Geiger counter. Excellent idea and very well executed.
★★☆☆☆ Didn't work on Nexus 4, no reply to emails I bought the $4+ app, and installed it to a Nexus 4 with the back lens cover covered with 2 pieces of black electrical tape. I borrowed a real Geiger counter and some radioactive samples that read about 10-20x above background when very close to the sensor. One was tested even though a thin metal lid with both this app (and nexus 4) as well as the real Geiger counter. After following the instructions and allowing the app to calibrate, it settled on a background count around 20 (I tried it several times, and it was roughly 20 each time). The app does mention something about a 60-minute test but no amount of searching would allow me to figure out how to change that time. After calibrating (~20), tried detecting the samples. What would normally take the Geiger counter from ~20 cpm to ~500 cpm took this app from 20 up to 26. It is barely statistically significant. Reviewed the website, noting I should have had more than enough sensitivity to detect this. After failing to get useful results, I sent 2 emails to the developer from their site. Their site asks you to email them before you give them a one-star rating. After no reply in 2+ wks. (still nothing) I rated.

Google Play Rankings

This app is not ranked

Technologies used by Radioactivity Counter

Radioactivity Counter is requesting 10 permissions and is using 3 libraries.
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