OTO Sound Collector

Record. Shape. Play.

Free · In‑App Purchases

Turn everyday sounds into music. Record, shape and play on 16 pads. Explore 15 preset kits. Unlock performance recording and WAV export with a one-time Pro purchase. Collect sounds. Make them yours. Play. OTO Sound Collector turns everyday sounds into a hands-on instrument. Record your voice, a clap or a tap on a cup, shape the sound, and play it on a 16-pad sampler. SOUNDS: CAPTURE AND SHAPE • Record with your microphone or import audio files. • Use the waveform, Start and Length controls to choose your playback range. • Shape sounds with Pitch, Speed, Filter, Reverb, Delay, Distortion and Reverse. • Apply monophonic pitch correction with key and scale settings. • Loop previews, rename sounds, and save your edits. PADS: PLAY YOUR COLLECTION • A large 4×4 grid of 16 pads. • Play multiple pads together and retrigger sounds quickly. • Explore 15 preset kits, including electronic drums, recorded drums, percussion, marimba and kalimba. • Combine your recordings with preset sounds in Custom Kits. • Customize pad names, colors and volume. • Play with a connected hardware keyboard. START FOR FREE Record, import, edit and preview sounds, and play the included presets. Each Custom Kit can have one pad assigned to a user-added sound. UNLOCK PRO ONCE • Assign your sounds to all 16 pads. • Record pad performances directly from the internal audio mix. • Export and share sounds and performances as WAV files. Pro is a one-time purchase, not a subscription. See the purchase screen for your local price. Sounds and kits are stored on your device. Microphone recording requires permission. Pitch correction is designed for single-note sources such as voice, not for separating notes in chords. Privacy Policy: https://sites.google.com/view/oto-sound-lab Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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The developer, Hiroto Hayashi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Hiroto Hayashi
    Size
    73.6 MB
    Category
    Music
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    Japanese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Hayashi Hiroto
  • Privacy Policy

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