Apps Like SPL Graph for iPhone and iPad
Analyze sound levels over time
The app analyzes sound pressure levels and provides real-time frequency analysis. It plots sound levels over time and can record audio for playback to identify sound events.
SPL Graph screenshots
Ranked alternatives
Showing 401–420 of 1,000 ranked alternatives.


Guitar Tuner - TrueStudio
Qiaochu Zhu
Tune ukulele with real-time feedback
Tune ukuleles using phone microphone for real-time sound analysis. Indicate if notes are sharp or flat. Adjust pitch with visual indicators. Save tuning sessions for reference. Share tuning results via social media.

KRK Audio Tools
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.

Rousseau
Norman Schmidt
Melody notation program for musicians.
The app generates ordinary and numbered musical notation (nmn) on screen with an Italian harpsichord sound. Users can change keys, octaves, accidentals, and formatting, and play back melodies.



Audio Unit Player
Loop-Sessions.LLC.
Process audio with real-time effects.
The app processes audio with real-time time stretch, pitch shift, and a 31-band equalizer. It also functions as an AUv3 host and supports A-B loop playback, center cancel, and mute functions.

Gamelan Gender
Otmar Kramis
Balinese Gamelan Instrument Simulation App
The app provides an iOS implementation of Balinese Gamelan Gender Wayang. It features Inter-App Audio and Audiobus support, allowing for dynamic musical practice and creation.

BounceBud Physics Based MIDI
Cem Olcay
Generate notes with ball collisions
Create music using a - sequencer. Play notes by bouncing balls on customizable keyboards. Adjust ball count, speed, and size. Set key/scale, velocity range, octave, and channel. Customize notes per keyboard. All keyboards share the same scale.

Piano3! Lite
Daisuke Suzuki
Play piano with three octaves.
The app provides a user-friendly piano experience with three octaves accessible on a single screen. It addresses narrow keys and black key sensitivity, allowing for easier tapping and glissando through swiping.


Uilleann - Pocket Irish Pipes
Michael Eskin
Authentic Irish Bagpipes Sound Module
The app provides a Uilleann pipes sound with chanter, drones, and regulators. It supports hardware MIDI bagpipe chanters and functions as a CoreMIDI sound module.

GlitchStep
Alexander Matheu
Sequence and perform dynamic variations
Create and manipulate musical sequences with a 16-step sequencer. Adjust slices and patterns in real time. Build and modify playlists. Process MIDI data and integrate with AUv3 extensions. Perform dynamic variations during playback.

Frequency Meter PRO
Lubomir Havran BINARTS
Measure audio in real time
Measure and analyze audio frequencies with real-time scanning from internal or external microphone. Display audio level, noise level, range, current , oscilloscope, and spectrum analyzer. Calibrated for accuracy between 15 - 22500 Hz with +/- 0.

Generator
Andrew Smith
Generate audio signals with precision control.
The app generates sine waves, square waves, white noise, and pink noise. Users can select frequencies between 20Hz and 20kHz with multiple resolutions or enter exact frequencies via keyboard.

Musical polyphoniс synthesizer
Evgeny EGOROV
Tune, distort, and play bass notes
A distortion with an 11-string bass layout for microtonal playing. Adjust octave ranges and tuning. Combine features to create varied sounds. Display note names and basic settings. No visual effects or graphics.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.