Choose Your Plan
Build chord progressions with real-time grooves, AI suggestions, and fretboard visualization.
Free to start — unlock the full creative toolkit with Pro.
Build
Guitar
Bass
Keyboard
🆓 Free
iOS app — free forever
$0
Sketch ideas & learn theory
Scan to download on iPhone
💎 Pro Plan
PopulariOS · For DAW workflow · 7-day free trial
Pricing varies by region
Monthly · Cancel anytime · 7-day free trial
Scan to download on iPhone
Feature Comparison
| Feature | Free | Pro |
|---|---|---|
| AI Chord Import | ✅ | ✅ |
| Groove Patterns | 15 | 15 |
| Preset Progressions | 50+ | 50+ |
| All Chords (tensions, slash) | ✅ | ✅ |
| OtoTheory AI (all modes) | ✅ | ✅ |
| Section Management | ✅ | ✅ |
| Find Chords (Key & Scale) | ✅ | ✅ |
| Fretboard (Guitar / Bass / Keyboard) | ✅ | ✅ |
| Build Progressions | Up to 12 | Up to 12 |
| Capo Suggestions | Top 2 | Top 2 |
| Key & Scale Detection | ✅ | ✅ |
| Text Export | ✅ | ✅ |
| MIDI/Audio Export | 1/day via ad | ✅ Unlimited |
| Sketch Saves | 3 (local) | Unlimited |
| iCloud Sync | ❌ | ✅ |
| Ad-Free | ❌ | ✅ |
🎁 7-Day Free Trial
Try all Pro features for 7 days, completely free.
- ✓ Full access to all Pro features
- ✓ Cancel anytime — no charges if canceled within 7 days
- ✓ Cancel at least 24 hours before trial ends
Scan to download on iPhone
For details on cancellation, data retention after cancellation, and refund policy, see our Subscription Terms.
🎬 Export for Free — Watch a Short Ad
Watch a short ad in the iOS app to export once per day (MIDI or audio).
Pro users get unlimited exports.
🌐 Try on the Web — No Install Required
Build chord progressions, explore fretboard views, and detect keys & scales — right in your browser.
Web version offers a subset of iOS features (limited grooves & presets). For the full experience, download the iOS app.
Which Plan Is Right for You?
Choose Free if you:
- 🎸Are exploring music theory basics
- 📝Want to experiment with chord progressions
- 🌐Prefer using the web version
- 🎧Want to try before committing
Choose Pro if you:
- ✍️Compose music seriously with DAW workflow
- 🎹Need unlimited MIDI/audio export
- 🔄Need unlimited saves & cross-device sync
- 🚫Want an ad-free experience
Frequently Asked Questions
Q. Can I use Pro features on the web?
A. Pro is iOS-only. The web version provides free features for chord progression building and fretboard exploration.
Q. Can I cancel during the trial?
A. Yes, cancel anytime. Cancel at least 24 hours before trial ends to avoid charges.
Q. Is there an annual plan?
A. Currently only a monthly plan is available. Pricing varies by region and is displayed in your local currency on the App Store. Annual pricing is under consideration.
Q. Will my data transfer from Free to Pro?
A. Yes. Your local sketches (up to 3) are preserved when upgrading. Pro unlocks unlimited saves and iCloud sync.
Q. What instruments does OtoTheory support?
A. OtoTheory is not limited to any specific instrument. It's a chord progression creation tool useful for anyone involved in music production. MIDI/audio export works seamlessly with any DAW. The app also includes tone visualization for guitar, bass, and keyboard fretboard/keyboard views.
💳 Subscription Details
- • Payment via App Store (Apple ID)
- • Auto-renewing unless canceled at least 24 hours before period ends
- • Cancel anytime via Settings → Apple ID → Subscriptions
- • Refunds follow Apple's refund policy