Showing 101–120 of 1,000 ranked alternatives.
Andy Sutanto
Surfaces with precision and accuracy
Allows users to check horizontal and vertical alignment. Features include circle mode for simultaneous angle measurement, vertical mode for ensuring surfaces are straight, horizontal mode for flat surfaces, and mix mode combining all functions.
Vicki Partridge
Surfaces, angles, and levels precisely
Turn your iPhone into a , angle gauge, and measuring . Check if surfaces are or plumb. Get real-time tilt readings in degrees. Calibrate to align with objects. distances using the device's sensors.
V PUGAZHENTHI
Convert units across 64 categories
Convert units across 64 categories with 1333 units and 53742 conversions. Switch between acceleration, angle, area, and other measurements. Find color codes and convert cooking measurements.
Contechity AB
Measure , display and frequency
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.
V PUGAZHENTHI
Calculate and engineering parameters
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.
Nir Hamzani
Measure beats and adjust accuracy
Calibrate and Pendulum clocks by measuring and adjusting their beat period. Sync with a known accurate time source to correct drift. Monitor daily time gain or loss with precision up to 0.001 milliseconds.
V PUGAZHENTHI
Convert units, calculate values, switch categories
Convert units across 16 categories with 173 units and 2162 conversions. Perform calculations for field strength, resistance, capacitance, and more. Access 62 calculators via in- purchase.
Kennedy Development Group, LLC
Track shots, save ammo data, import weather
Calculate trajectories for firearms using precise ballistics data. Input and save firearm and ammunition details for quick access. Integrate with Kestrel and WeatherFlow devices via Bluetooth for atmospheric data.
MATEO KING
Record levels in real time
Measure levels in real time using the device's microphone. Record audio clips for later analysis. Set decibel thresholds and receive notifications when levels exceed limits. View historical data and export measurements as files.
Caroline Duhamel
Track health metrics and set goals
Track , heart rate, and weather impact on well-being. Log daily health metrics and view trends over time. Set reminders for check-ins and sync data with health platforms.
立毅 成
Tune instruments with iPhone and iPad.
The app is a professional chromatic tuner that supports various instruments including guitar, ukulele, bass, violin, and piano. It offers features like pitch and frequency display, adjustable calibration, and multiple input modes for tuning.
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