Identify stones, crystals, and minerals by uploading or snapping a photo. Access detailed information on name, chemical formula, hardness, color variations, and sources. Learn to evaluate quality based on color, structure, and other characteristics.
Calculate and engineering parameters with 134 formulas. Input values to compute force, friction, acceleration, work, power, and more. Access definitions and formulas for each calculation. First 5 calculators are free; others require in- purchase.
Track pool chemistry with precise chemical recommendations based on results. Log pH, chlorine, alkalinity, calcium hardness, and CYA levels. View historical data and maintain balanced year-round.
Calculate pool water balance by inputting pH, temperature, total alkalinity, calcium hardness, and total dissolved solids. Determine the Langelier to assess water balance and identify issues like cloudy water.
Capture photos and videos with extended digital zoom capabilities. Record in 4K, FullHD, HD, and support JPEG, HEIC, TIFF, Raw, and ProRAW formats. Choose from extended video formats and stabilization modes.
Write and test C/C++ code directly on iOS devices. Compile and run code snippets using supported compilers. View execution results and debug code in real-time. Learn concepts through hands-on practice.
Identify rocks, minerals, and crystals by scanning or uploading images. Access detailed information about each specimen. Learn about properties, formations, and uses. Compare findings with a database of geological samples.
Generates tones between 0 Hz and 25 kHz to remove dust and from speakers. Users can manually set frequencies and adjust cleaning duration. It tests performance and clears debris for improved audio quality.
Displays speed in and distance traveled using GPS. Tracks maximum speed with vibration alerts. Shows position and time of maximum speed on a map. Switches between light and dark modes. Notifies of GPS measurement errors.
Allows users to internet speed and select servers. It provides military-grade encryption for secure browsing. Users can change protocols and obfuscation settings. The includes a speed feature to measure connection performance.
Measure sound levels with a professional-grade sound level meter. Display decibel readings, frequency analysis, and real-time data. Set sampling intervals, average measurements, and export results. Track maximum and minimum levels.