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Measure beat rate of mechanical watches.
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Use the camera zoom to enlarge small objects and text.
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Hourly Voice Reminder / Alarm /Interval /Countdown Timer/ Only Headset /Battery
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This stopwatch can notify you of the time by voice as well as music and vibrate.
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Record solve time
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Focus, meditate and relax with natural calming noise.
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Generate custom color noises including brown, pink, white, blue, and violet.
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Accelerometer sensor as Meter, Graph, Spectrum, Music, Light, Info
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Measure the volume of sounds using your ANDROID.
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Calculate resistor values for your LEDs
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Check the air quality in real time of the place where you are
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All the right Rife Frequencies you need.
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Maru Compass is professional compass app supporting AR, Azimuth , Solar position
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A simple meditation timer
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UTC and Local clock and Notes for HAM radio operators
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Tells the remaining time periodically and counts down before the timer expires
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Eight stopwatches, 100 lap/split times for each
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Mood light, reading lamp & color night light, powered by your device screen.
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Tool to show current HF propagation prediction.
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A countdown timer for meditation practice with elegant animations and sounds.
