Spectroid
Carl Reinke
Real-time audio frequency spectrum analyser with high resolution, logarithmic frequency display, and spectrogram history — one of the highest-quality free audio analysis tools available on Android.
Vieyra Software
Comprehensive multi-sensor data logging app providing direct access to all device sensors with real-time graphs and CSV export — developed for physics education.
Provides simultaneous access to the magnetometer, accelerometer, gyroscope, barometer, light sensor, sound level meter, and proximity sensor. Each sensor displays a live graph with configurable time window. All sensor data can be logged simultaneously and exported to CSV for analysis in spreadsheet tools. Developed and maintained by Vieyra Software for physics education. Used in schools and universities worldwide.
Instrument Panel
Price model: Free
Store rating: 4.6
Method is technically sound and produces reproducible data.
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2026-06-08
All app store data is checked manually and may not reflect the most current version.
Carl Reinke
Real-time audio frequency spectrum analyser with high resolution, logarithmic frequency display, and spectrogram history — one of the highest-quality free audio analysis tools available on Android.
RedVox Inc.
Scientific-grade infrasound and low-frequency acoustic recorder used in actual seismology and atmospheric research — the highest-credibility audio tool available for investigation use.
RWTH Aachen University
University-developed physics experiment app that accesses all device sensors with full data export and remote monitoring — the most scientifically rigorous multi-sensor tool available on smartphones.