Phone becomes radioactivity counter device.
The app transforms a phone into a Geiger Müller counter for radioactivity measurement after calibration. It detects gamma and some beta radiation using the camera sensor.
Showing 1–20 of 1,000 ranked alternatives.
Tan Chia Ling
Convert radioactive units with precision
Convert between radioactive units such as becquerels, curies, and sieverts. Calculate decay rates and half-lives. Display decay modes including alpha, beta, and gamma emission. Switch between different measurement systems.
David Ashton
Prank radiation detector for entertainment purposes.
The app displays radiation levels on an LCD screen with a digital counter. It features audio clicks, alpha, beta, and gamma modes, and dual tilt and touch controls.
Ievgenii Lebid
Convert currencies and on the go
Convert currencies and physical with real-time rates and support for 160+ currencies and 350+ . Save favorite conversions for quick access. Use offline data from the last successful update.
Jorge Gregorio Martin Bello
Detect EMF levels and receive alerts
Detect electromagnetic fields using your device as a sensor. Measure and track magnetic fields in real time. Receive warnings with a beep when high levels are detected. Check EMF levels around your bed and household appliances.
Renjith N
Listen to binaural beats and solfeggio frequencies
Generate binaural beats and solfeggio frequencies for study, meditation, and sleep. Select states like delta, theta, alpha, beta, and gamma. Adjust frequency differences to match desired patterns.
Ratha Sou
Calculate in portrait, science in landscape
Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.
Gibco LTD
Detect cameras and microphones
Detect cameras and microphones using magnetic field sensor. Scan for radiation and infrared signals. Identify spy devices and speakers. Provide security alerts for unsafe environments.
Size Stream LLC
Capture measurements with your camera
Capture measurements using front and side camera images. Track progress over time. Build a 3D avatar. Set and monitor goals. Compare measurements across sessions. Share progress with others.
SAF Tehnika AS
Track air quality and sensor data
Monitor indoor air quality with real-time CO₂, temperature, humidity, and atmospheric pressure readings. Track radiation levels and total exposure. View historical data and set alerts for thresholds.
Ievgenii Lebid
Convert and currencies instantly
Convert and currencies with customizable conversion lists. Switch between automatically for multiple items. Support currency rates for over 160 countries and 24 conversion types including cooking, fuel consumption, and net.
Trelleborg Sealing Solutions Germany GmbH
Convert units, calculate percentages, track timezones, calculate
Convert units including currencies, length, weight, and temperature. Convert time zones and calculate percentages. Includes a running pace calculator and other utility tools for precise measurements and calculations.
Tue Nguyen Minh
Measure with ruler, tape, and camera
Measure objects with a camera ruler mode that uses your phone's camera for distance calculations. Switch between inches and centimeters. Adjust measurements with precision sliders. Access a classic ruler and tape measure for manual measurements.
ALEXEY KOZLOV
Measure screen ripple and select eye-friendly devices
Measure ripple coefficient of light sources including LED, halogen, fluorescent, and incandescent lamps, as well as LCD and LED monitors. Display readings for visible spectrum radiation. Note that results may vary based on light source and frequency.
Matthew Bognar
Calculate probabilities, plot distributions, and find percentiles
Calculate probabilities and percentiles for normal, t, chi-square, F, exponential, gamma, beta, log-normal, Pareto, and Weibull distributions. Plot density functions for these distributions.
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