SPL Graph app icon

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.

by Andrew Smith★ 3.73 ratingsMusic$9.99Data updated 2026-09-10

SPL Graph screenshots

Ranked alternatives

Showing 401–420 of 1,000 ranked alternatives.

  1. Guitar Tuner - TrueStudio app icon

    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.

    ★ 4.945 ratingsMusicFreeData updated 2026-09-18
  2. KRK Audio Tools app icon

    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.

    ★ 4.140 ratingsMusicFreeData updated 2026-09-17
  3. Rousseau app icon

    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.

    ★ 0.00 ratingsMusicFreeData updated 2026-09-27
  4. Audio Unit Player app icon

    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.

    ★ 3.930 ratingsMusicFreeData updated 2026-10-22
  5. Gamelan Gender app icon

    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.

    ★ 5.03 ratingsMusic$2.99Data updated 2026-10-27
  6. BounceBud Physics Based MIDI app icon

    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.

    ★ 5.010 ratingsMusic$5.99Data updated 2026-09-06
  7. Piano3! Lite app icon

    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.

    ★ 4.67 ratingsMusicFreeData updated 2026-09-20
  8. Uilleann - Pocket Irish Pipes app icon

    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.

    ★ 3.88 ratingsMusic$2.99Data updated 2026-09-13
  9. GlitchStep app icon

    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.

    ★ 4.919 ratingsMusic$9.99Data updated 2026-09-06
  10. Frequency Meter PRO app icon

    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.

    ★ 1.830 ratingsMusic$2.99Data updated 2026-09-08
  11. Generator app icon

    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.

    ★ 3.33 ratingsMusic$8.99Data updated 2026-09-10
  12. Musical polyphoniс synthesizer app icon

    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.

    ★ 4.420 ratingsMusicFreeData updated 2026-09-08

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.