Chordzilla

Make Chords, Create Music

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Compose melodies from chord progressions with Chordzilla — compact songwriting with Piano Roll editing, WAV/MIDI export, and Export-ready workflow # Chordzilla — A Compact App for Creating Chord Progressions and Melodies Chordzilla is a compact songwriting app that lets you create chord progressions and melodies directly on your smartphone. Build chord progressions, compose melodies with Piano Roll editing, and export your work as WAV or MIDI. Capture musical ideas quickly with a simple and intuitive workflow. ## Chord Progression Editor Simply choose a key and scale to receive suggestions for the next chord. Explore diatonic chords, substitute chords, borrowed chords, tritone substitutions, subdominant minor chords, and more. Even without extensive music theory knowledge, you can build natural-sounding chord progressions with ease. Save your progressions as sections to build your own reusable chord library. ## Piano Roll Melody Editor Create melodies by tapping directly on the Piano Roll. Premium users can also enter notes using the on-screen piano keyboard. Melody examples matched to your chord progression are available to help inspire new musical ideas. ## Genre Presets Start with ready-made templates instead of creating everything from scratch. Includes over 18 presets, with more planned in future updates. ## Song Information Export Convert your song information into organized text, including key, scale, BPM, section structure, chord progression, and other production details. The generated text can be copied and used with compatible music production tools and external services. ## MIDI & WAV Export Export your chord progressions and melodies as MIDI files. You can also export WAV audio for further editing in your DAW or other music production software. ## Perfect For • Songwriters looking for an easy way to build chord progressions • Musicians who want to sketch melody ideas quickly • Beginners learning harmony and songwriting • Anyone who wants to compose music on a smartphone • Creators who use additional music production tools in their workflow ## Premium Plan The free version includes all essential features for creating, playing back, and reviewing chord progressions. Upgrade to Premium (monthly subscription) to unlock: • MIDI export • Piano keyboard input • Song Information Export • Preset templates • Unlimited sections ...and all future Premium features. We are committed to continuously improving Chordzilla with new features and ongoing enhancements. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

• Optimized header title display • Improved melody suggestion quality • Improved Piano Roll gesture controls • General performance and stability improvements

Version 1.3.0

The developer, Katsuhiko Tamura, 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 Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases
    • Identifiers
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

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

Information

Seller
  • Katsuhiko Tamura
Size
  • 144.1 MB
Category
  • Music
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Katsuhiko Tamura
  • Privacy Policy