The app transforms a phone into a seismograph, recording ground motion across three axes at high sample rates. It offers event detection, historical data browsing, and the ability to export recordings.
by ObjectGraph LLC★ 3.6170 ratingsEducationFreeData updated 2026-09-10
Teach children with interactive lessons and emergency instructions. Register a child's face to personalize the experience. Include quizzes, drills, and real-life scenarios. Provide step-by-step guidance on what to do during an .
The app allows users to view ham radio PSK31 transmissions on an iPad. Users can place their iPad near a radio, tune to a PSK31 frequency, and see decoded text along with a waterfall display of the audio spectrum.
Adds location tags to photos taken with supported devices. Users can geotag images from iPhone, iPad, Mac, Dropbox, and Flickr. The automatically records location data during photo capture. Tags help organize and identify where photos were taken.
Measure sound levels with precise readings from 30 to 130 dBA. Use A, B, C, Z, and ITU-R 468 frequency filters. Adjust time weighting settings including SLOW, FAST, and IMPULSE. Display real-time data with clear visual indicators.
Measure spectrum to determine dominant in nanometers, frequency in terahertz, and period length in femtoseconds. Analyze sources to identify primary color wavelengths and associated properties.
Turn your iPhone into a wireless external . , copy, and backup files between devices over . Access files via any browser using a designated IP address. No additional software required. Sync files between iPhone and PC/Mac/Linux devices.
Record hand data using accelerometer input. Calculate and display frequency. Save and export results. Share data with healthcare providers for further evaluation.
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.