Showing 101–120 of 1,000 ranked alternatives.
Dmytro Hrebeniuk
Transcribe messages and audio files
Transcribes text from messages in Telegram, WhatsApp, Signal, YouTube, TikTok, files, and videos. It recognizes text from audio and video files using device-based processing. Users can set up extensions through the .
ONYX 3
Real-time audio analysis for sound.
The app provides real-time audio analysis for musicians and recording engineers. It offers octave band analysis, FFT plots, and a spectrograph for sound visualization and measurement.
Black Cat Systems
Audio frequencies displayed for analysis.
The app displays audio frequencies up to 20 kHz on an iPad, iPhone, or iPod Touch. Users can adjust frequency span, FFT size, and apply filtering for smoothing.
子琪 权
Edit videos, add watermarks, export BGM
Video allow editing with watermarks and doodles, exporting and deleting background music, and converting videos to livephotos. Image generate word cloud, polygon, and block-style wallpapers from keywords or images.
Gibson Pro Audio Corp.
Measure frequency in real time
Measure and display real-time frequency spectrum with Spectrum RTA. Calibrate monitor levels using the Level Meter. Determine optimal EQ presets with EQ Recommendation. Align monitors for accurate sound with Monitor Align.
Martin Wellard
Decoder for telephone touch tones.
The app turns an iPhone into a DTMF decoder. It displays decoded digits from DTMF tones, which can then be copied to the clipboard.
Alphabit Software Inc.
Tune notes and set tempo
Transforms iPhone into a chromatic and . Detects pitch and displays frequency. Adjusts tempo and beats per minute. Customizable settings for tuning and rhythm. Syncs with audio input for real-time feedback.
Trevor Kamhunga
Stream audio and sync with precise time
Syncs with devices to display precise time up to 1/1000 second. Supports leap seconds. Enables pips for quarter, half, or hourly marks. Plays Greenwich Time Signal audio. Customizes design with retro LED style.
Dmitriy Kharutskiy
Analyze waves in real time
Analyze spectra in real time using a microphone. Display waveforms and FFT data with adjustable frequency scales. Measure noise levels for approximate readings. Adjust FFT size for varying frequency accuracy.
Michael Downs
Remote radio control via WiFi network.
The app offers remote control of Elecraft K3, K3S, KX3, or KX2 radios through a WiFi network. Users can operate radio functions and send CW, RTTY, or PSK31 QSOs using their iPhone.
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.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.