Showing 101–120 of 1,000 ranked alternatives.
Hsing-Fu Hsueh
Tune instruments with frequency control
A tuning with auto noise filtering. Select frequency and tuning settings. Display pitch for each string as high or low. Calibrate piano sound by clicking an open string. Adjust A4 frequency between 428 and 452.
Shigenori Ura
Play audio with pitch and speed control
Play audio files with speed control, pitch adjustment, and equalizer settings. Support remote control via compatible earphones. Adjust volume up to +20 dB. Cannot play iCloud or DRM-protected files.
Pignology, LLC
Learn morse code at 20 WPM
Learn morse code using the Method, which trains reflexes at 20 WPM. Practice with customizable speed settings. Track progress with repetition and accuracy metrics. Receive feedback on correct and incorrect responses. Export progress reports.
Black Cat Systems
Audio function generator for mobile devices.
The app transforms a mobile device into an audio function generator. It allows for multiple generators with independent control over frequency, wave type, volume, and phase for precise audio output.
SHIGETO TAKAGI
Text, generate numbers, share results
Sorts text input by ascending, descending, or order using line breaks. Generates serial numbers for dice or tables. Shares sorted results on social media platforms.
Ziga Porenta
Learn , test knowledge, create quizzes
Provides a comprehensive list of international , including letters, numbers, and substitutes. View detailed descriptions of each flag. Take custom quizzes to test knowledge. Includes flashlight morse code examples and a minimalist design.
Electronial
Learn characters with animations and definitions
Learn to write characters with animations, definitions, pinyin, etymology, and example sentences. Search by pinyin or character. Save favorites for easy access.
Hsing-Fu Hsueh
Tune instruments with pitch feedback
Allows users to adjust and calibrate instrument pitches. Select frequency and tuning settings. Display pitch for each string indicating signal high or low. Calibrate piano sound using an open string. Adjust A4 frequency between 428 and 452.
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