Horucco: Songwriting & Chords

Discover chord progressions

Free · In‑App Purchases

Horucco helps songwriters and producers explore chord progressions & harmony, jam ideas, and build demos fast — no guesswork, just creativity. Unleash harmony. Write songs faster. Jam ideas. Horucco is your pocket songwriting & music theory companion — built for songwriters, producers, and music hobbyists who want to go beyond intuition and work with intelligent tools. What You Can Do with Horucco * Explore chords & harmonies
Instantly discover related chords as you experiment. See voicings, modes, and relationships to your key in real time. * Drag & drop progressions
Build your song by dragging chords into a timeline. Rearrange, extend, or delete with ease. * Full chord customization
Change root, mode, extension, octave, voicing — even go “out of key” for more adventurous progressions. * Transpose & key changes
Instantly shift your entire progression or individual chords to a different key. * Patterns & performance
Add arpeggios or custom melodic expressions to chords to make them come alive. * Choose from a big collection of instruments
Select the instruments in your song from a big collection of sounds, from pianos to guitars, from synths to basses * Export to MIDI or Audio
Use what you made in Horucco wherever you want, in your DAW or live performance Who It’s For * Songwriters & composers who want to spend less time stuck and more time creating * Producers who want a fast, music-theory–aware companion outside the DAW * Hobbyists & learners curious about scales, modes, harmony, and how chords relate No matter your skill level — whether you're theory-savvy or just beginning — Horucco adapts to you. Use It Wherever You Are * On your phone in a café, in the studio behind your rig, or in transit — Horucco travels with you. * Snap ideas quickly so you never lose momentum. Why Choose Horucco? * It bridges the gap between musical intuition and theoretical clarity. * It’s fast, playful, and inspiring — not an academic textbook. * The audio export + DAW integration make your ideas usable immediately. * You learn theory by doing — no more guesswork. Begin writing smarter. Try Horucco and transform your chord ideas into full arrangements with confidence. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.horucco.com/appprivacy/

  • 4.3
    out of 5
    19 Ratings

Your chords now come alive! New Sound Engine – Hear your progressions performed by realistic musician-style patterns. Instruments Library – Choose from pianos, guitars, synths, strings, and more. Studio Effects – Add reverb, delay, and ambience to shape your sound. New Export Options – Export MIDI or WAV for single instruments or the whole project. Improved Workflow – Faster playback, smoother mixing, and better stability. Create, arrange, and now play your chords like a real band — all inside Horucco.

The developer, Daniele Sidoli, 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 Linked to You

    The following data may be collected and linked to your identity:

    • Contact Info
  • Data Not Linked to You

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

    • Usage Data
    • Diagnostics

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

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

  • Seller
    • Daniele Sidoli
  • Size
    • 129 MB
  • Category
    • Music
  • Compatibility
    Requires iOS 15.6 or later.
    • iPhone
      Requires iOS 15.6 or later.
    • iPad
      Requires iPadOS 15.6 or later.
    • iPod touch
      Requires iOS 15.6 or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    • English
  • Age Rating
    4+
  • In-App Purchases
    Yes
    • Horucco Sub Annual Free Trial $39.99
    • Horucco Subscription Monthly $5.99
    • Horucco Subscription Annual $39.99
  • Copyright
    • © 2025 Daniele Sidoli