OctaveScope app icon

Apps Like OctaveScope for iPhone and iPad

Analyze audio and visualize piano inharmonicity

Monitor audio in real time with low-latency processing. View waveform oscilloscopes and frequency spectra. Analyze piano inharmonicity and tuning accuracy. Capture and inspect raw waveforms for music and acoustics.

by Richard Barber★ 0.00 ratingsMusic$24.99Data updated 2026-09-06

Ranked alternatives

Showing 61–80 of 1,000 ranked alternatives.

  1. Find the Note app icon

    Find the Note

    Nathan Hoffer

    Detect musical notes and pitch

    Identify musical notes using device microphone. Display frequency and pitch in real time. Tune instruments or voice with visual feedback. Track history for accuracy improvement. Supports piano and other instruments.

    ★ 4.5231 ratingsMusicFreeData updated 2026-09-06
  2. Piano™ HD app icon

    Piano™ HD

    宗明 杨

    Play piano, adjust keyboard, record songs, share

    Learn piano by playing virtual keys. Adjust keyboard layout to suit preferences. Access various instruments including bass and guitar. Record songs and share them with others.

    ★ 4.51,242 ratingsMusicFreeData updated 2026-09-08
  1. Slow Down Music | Transcribe+ app icon

    Slow Down Music | Transcribe+

    Dynamic App Design LLC

    Transcribe audio and isolate tracks

    Transcribe+ allows users to isolate vocals, drums, bass, and other instruments using on-device AI. Adjust and pitch with swipe gestures. Pause and drag the waveform to listen to specific sections.

    ★ 4.55,290 ratingsMusicFreeData updated 2026-09-10
  2. dB Meter & Spectrum Analyzer app icon

    dB Meter & Spectrum Analyzer

    Vlad Polyanskiy

    Measure sound levels and analyze frequencies

    Measure sound levels with a precision instrument featuring a . Calibrate against professional dB meters. Log noise data and set decibel thresholds. Display real-time sound level readings and frequency analysis.

    ★ 4.7865 ratingsUtilities$29.99Data updated 2026-09-08
  3. n-Track Tuner Pro app icon

    n-Track Tuner Pro

    n-Track S.r.l.

    Tune instruments with your phone microphone

    Tune guitar, bass, or other instruments using the device's microphone. Detect and adjust pitch with high precision. Supports multiple instruments including violin, viola, and wind instruments.

    ★ 4.893 ratingsMusic$12.99Data updated 2026-10-11
  4. Notevision - Sight Reading app icon

    Notevision - Sight Reading

    Ryan Newsome

    Practice notes and build musical skills

    Practice with interactive exercises that improve accuracy, rhythm, and note recognition. Use MIDI instruments, microphone input, or on-screen keyboard for flexible practice. Track progress and refine musical skills through targeted sessions.

    ★ 4.83,238 ratingsEducationFreeData updated 2026-09-09
  5. 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
  6. Oscilloscope app icon

    Oscilloscope

    ONYX 3

    Analyze audio signals and waveforms

    Analyze audio signals with features including triggering, time and voltage per division, and measurement cursors. Generate signals with adjustable frequency and waveform.

    ★ 4.119 ratingsMusic$19.99Data updated 2026-09-08
  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. ChordButter: Easy Songwriting app icon

    ChordButter: Easy Songwriting

    Christian Hengst Daniels

    Create music with block-based audio tools

    Create and edit chord progressions by selecting keys and chords. Build custom sequences and explore variations. Learn through interactive play and real-time feedback. Export progressions and integrate with music production tools.

    ★ 4.7624 ratingsMusicFreeData updated 2026-09-06
  9. Calculator - Free Calculator app icon

    Calculator - Free Calculator

    祥祎 刘

    Calculate with precision and clarity

    Perform basic calculations with a standard interface. Optimized for iPad and iOS 9 with high-resolution display support. Includes a charming piano sound for input. No popups or ads.

    ★ 4.21,434 ratingsUtilitiesFreeData updated 2026-09-10
  10. insTuner Free - Chromatic Tuner app icon

    insTuner Free - Chromatic Tuner

    Polybeat PTE. LTD.

    Tune instruments quickly and easily.

    The app offers a chromatic tuner for instruments. It features a fixed note wheel and tone generator for tuning by ear or with the microphone.

    ★ 4.45,036 ratingsMusicFreeData updated 2026-10-10
  11. KORG Module app icon

    KORG Module

    KORG INC.

    Stream piano and keyboard sounds

    Create and play music with a professional sound library. Connect to MIDI keyboards for performance. Record and export audio files. Access high-quality piano and keyboard sounds. Adjust effects and settings for custom sound shaping.

    ★ 4.6778 ratingsMusicFreeData updated 2026-09-10
  12. Chord Progression Generator app icon

    Chord Progression Generator

    Michael Krautsieder

    Generate chords for your music projects

    Generate progressions for music creation. Export as MIDI files to use in digital audio workstations. Supports EDM, Future House, Future Bass, Hardstyle, Trap, and other electronic genres. Create and integrate chords into music projects.

    ★ 4.71,705 ratingsMusicFreeData updated 2026-09-14

How we rank alternatives

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