Showing 41–60 of 1,000 ranked alternatives.
Ngo Na
Check with smartphone camera
Using smartphone camera by analyzing fingertip color changes. Measure beats per minute during rest or activity. Store historical data and track trends over time. Share results with healthcare providers or export as PDF.
POKET APPS, OOO
Track speed, distance, and odometer
Track speed, distance, and odometer in real time. Switch between various velocity units. Measure movement in both forward and reverse directions. Sync with other apps for data tracking.
SHIGETO TAKAGI
Measure temperature with GPS accuracy
Measure ambient temperature using GPS and display in . Show temperature in a badge with below-zero values indicated. Convert to Fahrenheit with a formula. Include barometric pressure readings from the pressure sensor.
Rene Quinones
Check border wait times and lane details
Check border wait times at U.S. ports of entry for vehicles and pedestrians. View lane positions on maps and see social reports from other users.
ALEXEY BRILEV
Measure angles with your device
Measure angles between two surfaces using accelerometer and gyroscope. Determine angles between lines on a plane by aligning device edges. Display measurements in degrees. Switch between protractor and finder modes.
Devnex B.V.
Measure sound levels and display graphs
Measure sound levels with a decibel meter that displays current, maximum, and average values. View values on a gauge and in a graph. Set and track sound level measurements. Share results directly. No in- purchases required.
InVooDoo LLC
Convert currencies and save favorites
Converts between 160 currencies and 350 physical . Users can save favorite conversions for quick access. Offline exchange rates are updated every half-hour and stored if successful.
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.
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.
Vlad Polyanskiy
Measure sound levels and analyze frequencies
Measure sound levels with a precision instrument featuring a . Calibrate against professional dB meters. Log noise data and set decibel thresholds. Display real-time sound level readings and frequency analysis.
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