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 541–560 of 1,000 ranked alternatives.

  1. Decibel Meter(Sound Meter) Pro app icon

    Decibel Meter(Sound Meter) Pro

    Zipo Apps Ltd.

    Measure sound volume in real time

    Measure sound volume in real time with a meter. Display current sound level with a main indicator and digital dB value. Provide explanations for sound levels. Allow calibration of microphone settings.

    ★ 3.911 ratingsUtilities$2.99Data updated 2026-09-14
  1. Guitar Tuner XD app icon

    Guitar Tuner XD

    neverlabs UG

    Tune and check pitch accuracy

    Tune guitars, basses, ukuleles, banjos, violins, violas, cellos, or mandolins using the device's microphone. Adjust pitch with visual indicators. No account required. Save tuning presets. Share tuning results.

    ★ 0.00 ratingsMusicFreeData updated 2026-09-06
  2. PolyIvoks Filter app icon

    PolyIvoks Filter

    RRS, OOO

    Audio, shape sound, create music

    Apply audio filters to modify sound characteristics. Adjust parameters for tone shaping and resonance. Load and save presets. Access a demo version with limited playtime. Purchase full version for unlimited use.

    ★ 4.721 ratingsMusicFreeData updated 2026-09-24
  3. Core Synth Free app icon

    Core Synth Free

    Jasmine Lee

    Monophonic synthesizer for iPhone and iPod

    The app offers a monophonic synthesizer with a 1-octave keyboard and dual oscillators. It includes a volume envelope shaper and a low pass filter with adjustable cutoff and resonance.

    ★ 2.98 ratingsMusicFreeData updated 2026-09-21
  4. Canntina - MacCann Concertina app icon

    Canntina - MacCann Concertina

    Michael Eskin

    Play a MacCann concertina simulation.

    The app provides a MacCann-style duet concertina simulation with a Treble range from G4 to F#6. Users can transpose the pitch up or down by octave increments and play chords by pressing multiple buttons simultaneously.

    ★ 0.00 ratingsMusicFreeData updated 2026-09-13
  5. voice bot app icon

    voice bot

    erik sigth

    Record and play vocal loops in real

    Use a microphone to create live or recorded loops with trigger modes via keyboard. Process sound with bit and sample crusher, delay, and flanger. Play using a 25-key dynamic keyboard or core MIDI.

    ★ 4.718 ratingsMusic$4.99Data updated 2026-09-08
  6. Old Phone Ringtone Composer app icon

    Old Phone Ringtone Composer

    Furlan Paolo

    Compose ringtones with phone buttons.

    The app allows users to compose monophonic ringtones using their phone's buttons. Users can input musical notes, adjust note duration, pitch, and octave, and insert rests.

    ★ 0.00 ratingsMusic$2.99Data updated 2026-11-01
  7. Instrument Bible app icon

    Instrument Bible

    Instrument Bible LLC

    Play, learn, and share notes

    Interactive fingering charts for woodwind, brass, fret, and string instruments. Tap valves or keys to play notes. View detailed diagrams for flute, clarinet, guitar, violin, and other instruments. Sync with audio for note recognition.

    ★ 3.912 ratingsMusicFreeData updated 2026-09-16
  8. TuneBro app icon

    TuneBro

    Callaloo Records LLC

    Tune instruments with precision and timing

    Allows users to tune instruments with a chromatic tuner that detects pitch quickly and tracks low notes. It displays LED and cent readings for precise tuning. Users can set reference tones for ear training.

    ★ 5.03 ratingsMusicFreeData updated 2026-09-06
  9. Ukulele Tuner - Ukutuna app icon

    Ukulele Tuner - Ukutuna

    Qiaochu Zhu

    Tune notes in real time

    Tune ukuleles using phone microphone. Analyze sound in real time. Indicate if note is sharp or flat. Adjust pitch for accurate tuning. Save tuning sessions for later review.

    ★ 5.013 ratingsMusicFreeData updated 2026-09-18
  10. nils app icon

    nils

    erik sigth

    Real time audio effect machine.

    The app provides real-time audio effects including bitcrush, delay, and gain. It functions as a looper and sampler, allowing users to record and manipulate audio from various input sources.

    ★ 4.813 ratingsMusic$1.99Data updated 2026-10-06

How we rank alternatives

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