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 121–140 of 1,000 ranked alternatives.

  1. Bandish - Music Riyaz App app icon

    Bandish - Music Riyaz App

    Metapod LLC

    Play tabla, tanpura, and manjira sounds

    Play tabla, tanpura, and manjira sounds for Indian classical practice. Adjust tempo and pitch. Record and playback performances. Access sheet and tablature. Sync with practice sessions and lessons. Track progress and refine techniques.

    ★ 4.7134 ratingsMusicFreeData updated 2026-09-06
  2. MIDI Score app icon

    MIDI Score

    Jun Koo Hea

    Convert MIDI files to sheet music.

    The app converts MIDI files into synchronized sheet music. It supports multiple clefs and offers song management features, including downloads and iCloud synchronization.

    ★ 4.0151 ratingsMusicFreeData updated 2026-10-26
  1. Water Eject · Speaker Сleaner app icon

    Water Eject · Speaker Сleaner

    Tatyana Belova

    Clean phone speakers with sound frequencies

    Use optimized sound frequencies to clean phone speakers and remove buildup. Initiate one-tap mode for instant cleaning. Test performance before and after cleaning. Monitor noise levels with a decibel meter. Adjust volume safely for iPhone speakers.

    ★ 4.4711 ratingsMusicFreeData updated 2026-09-06
  2. iDousyn app icon

    iDousyn

    Jorge Lozada

    Premium sampler synthesizer for music production

    The app transforms an iPhone and iPad into a premium sampler and synthesizer for music production. It offers a dual-layer rompler engine and a touch-optimized workflow for creating studio-quality music anywhere.

    ★ 4.2159 ratingsMusic$4.99Data updated 2026-09-17
  3. bismark bs-spectrum app icon

    bismark bs-spectrum

    bismark LLC

    Real-time audio spectrum analyzer with FFT.

    The app analyzes audio input in real-time using FFT. It displays the frequency spectrum with options for graph scale, FFT window, decay time, and amplitude offset.

    ★ 3.02 ratingsMusic$3.99Data updated 2026-09-11
  4. Music Spectrograph app icon

    Music Spectrograph

    Ronald Nicholson

    Visually reverse engineer sound and music.

    The app provides a real-time visual representation of sound and music, showing pitch and frequency on a MIDI piano roll. Users can slow down or stop audio to analyze sound patterns and their correspondence to musical notes.

    ★ 2.54 ratingsMusic$9.99Data updated 2026-09-19
  5. iVCS3 app icon

    iVCS3

    Alessandro Petrolati

    Official EMS VCS3 synthesizer emulator app.

    The app emulates the VCS3, a portable synthesizer created in 1969. It features three oscillators, a noise generator, a voltage-controlled filter, and a unique patch board matrix for component connection.

    ★ 4.9206 ratingsMusic$19.99Data updated 2026-10-16
  6. Solfa - learn read music tutor app icon

    Solfa - learn read music tutor

    Alain Kong

    Notes, switch clefs, track progress

    To sight notes in G and F clefs. Practice notes across six octaves, including those above and below the staff. Randomly generated notes apply to any instrument. Switch clefs for varied practice. Beginners can limit octaves and set their pace.

    ★ 4.667 ratingsEducation$1.99Data updated 2026-09-09
  7. Bass Booster, Volume Amplifier app icon

    Bass Booster, Volume Amplifier

    Jack Mendoza

    Boost , enrich sound, deepen audio

    Boost audio and enhance sound quality with adjustable settings. Customize equalizer presets. Enhance music, podcasts, and videos. Control levels and manage audio output settings.

    ★ 4.6858 ratingsMusicFreeData updated 2026-09-06
  8. Flux Pro app icon

    Flux Pro

    Caelum Audio Ltd

    Modulate sounds with stereo waves

    Create dynamic audio effects with customizable modulation graphs. Adjust depth and parameters in four effect slots. Apply stereo waves, side-chains, filters, and glitches. Shape sound characteristics for precise track customization.

    ★ 5.025 ratingsMusic$11.99Data updated 2026-09-06
  9. Rapster app icon

    Rapster

    Maroun Abi Ramia

    Record voice with background music

    Record audio while playing music from any . Capture voice and ambient sounds through microphone. Switch tracks via control center. Connect to Bluetooth or wired devices. Save and export tracks without limits.

    ★ 4.4216 ratingsPhoto & VideoFreeData updated 2026-09-13
  10. Audiofile Calc — LUFS, dB, Hz app icon

    Audiofile Calc — LUFS, dB, Hz

    Audiofile Engineering, LLC

    Calculate audio parameters and settings

    Calculate note lengths and bar lengths for musical compositions. Convert time signatures and tempo. Adjust beat divisions and measure counts. Export results and share calculations.

    ★ 4.513 ratingsMusicFreeData updated 2026-09-08

How we rank alternatives

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