Useful for students and teachers in science, technology, engineering, and math (STEM) education and academic or industrial researchers, this app uses device sensor inputs to collect, record, and export data in comma separated value (csv) format through a shareable .csv file. Data can be plotted against elapsed time on a graph or displayed digitally. Users can export the data for further analysis in a spreadsheet or plotting tool. See for a variety of usage ideas for STEM education and publications from academia and industry.

A menu allows the user to sense or generate the following (dependent upon the user’s mobile device capabilities):

(1) G-Force Meter - ratio of Fn/Fg (x, y, z and total)
(2) Linear Accelerometer – acceleration (x, y, and z)
(3) Gyroscope - radial velocity (x, y, and z)
(4) Barometer - atmospheric pressure
(5) Proximeter - periodic motion
(6) Magnetometer - magnetic field intensity (x, y, z and total)
(7) GPS - latitude, longitude
(8) Inclinometer - yaw, roll, pitch
(9) Color Detector - detects HEX colors within a small circular area on the screen via the camera.
(10) Tone Detector - frequency and musical tone
(11) Oscilloscope (audio) - wave shape
(12) Spectrum Analyzer (audio) - graphical FFT
(13) AR - visualize magnetic fields in augmented reality
(14) Compass

(15) Tone Generator – sound frequency producer

What’s New

Version 2021.02.27

Minor UI update to the compass mode.
Fixed alignment issues with the inclinometer mode.
Minor bug fixes.

Ratings and Reviews

4.6 out of 5
16 Ratings

16 Ratings

App Privacy

The developer, Chrystian Vieyra, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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