Showing 21–40 of 1,000 ranked alternatives.
Marina Polyanskaya
Measure intensity and exposure
Measure intensity in lux and exposure values. Adjust settings for manual or film photography. Check lighting conditions for home, work, or greenhouse spaces. Save and share measurement data.
Anna Koynova
Sound levels and create histograms
Sound levels with SPL metrics including current average, peak, average maximum, and absolute maximum. Display graph histograms for adjustable settings. Save measurements and reset max values by tapping. Support upside down orientation for easy use.
Vladislav Vyshemirsky
Measure , calculate reciprocity
Measures reflected intensity for manual cameras. Calculates reciprocity adjustments. Displays exposure values for film photography. Integrates with camera apps for real-time readings.
BALLISTIC SOLUTIONS RESEARCH & DEVELOPMENT SOFTWARE SIARHEI RAICHONAK
Calculate hold overs and scope settings
Calculate hold overs and scope adjustments for long range shooting. Input variables like temperature, altitude, humidity, and distance. Account for target speed, direction, coriolis effect, and slope angle.
Vlad Polyanskiy
Measure car noise at any speed
Measure car interior noise at various speeds. Compare noise levels between vehicles. Check noise cancellation effectiveness before and after. Measure motorcycle exhaust . Includes calibrated for accurate readings.
YOYASOFT LLC
Measure lengths with your phone
Measure lengths with a virtual ruler. Use protractor, plumb line, and spirit level for angles and alignment. Check elevation, air pressure, and location. Monitor decibels. Convert ordinal dates to calendar dates.
Scott DeSapio
Convert units across 16 categories
Convert units across 16 categories with instant accuracy. Switch between hundreds of units for length, weight, temperature, and more. Calculate conversions for cooking, engineering, travel, and study.
nakhon phagdeechat
Measure magnetic fields in real time
Measure magnetic field strength using the device's built-in sensor. Display real-time trends of magnetic field values. Trigger sound alerts when levels exceed a set threshold. Option to disable audio notifications.
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