OtoTheory

Pricing

OtoTheory is free to start.
Upgrade to Pro when you need more advanced features.

🆓 Free Plan

Available on Web & iOS

$0

Forever free

Find chords from any key & scale
Visual fretboard overlay
Capo suggestions (Top 2)
Build progressions (up to 12 chords)
Basic chords only
20 preset patterns
3 sketch saves (local)
PNG & text export
Try Web Version

💎 Pro Plan

Popular

iOS only

¥490/month

7-day free trial

Everything in Free
Advanced chord selection (tensions, slash chords)
50 preset patterns (Free 20 + Pro 30)
Section editing (Verse/Chorus/Bridge)
MIDI export with chord tracks & markers
Unlimited cloud saves
Priority support
Coming Soon

📊 Detailed Feature Comparison

FeatureFreePro
Find Chords
Visual Fretboard
Capo SuggestionsTop 2Top 2
Build ProgressionsUp to 12Up to 12
Chord SelectionBasic onlyComplex & slash
Preset Patterns2050
Section Editing
Sketch Saves3 (local)Unlimited
PNG Export
Text Export
MIDI Export
Cloud Sync
Priority Support

🎁 7-Day Free Trial

Try Pro for 7 days, completely free.

  • ✓ Full access to all Pro features
  • ✓ Credit card required, but cancel anytime during trial
  • ✓ Cancel at least 24 hours before trial ends to avoid any charges
Coming Soon

Choose Free if you:

  • 🎸Are learning music theory
  • 📝Want to experiment with chord progressions
  • 🌐Want to try before committing
  • 💻Web version is enough for your needs

Choose Pro if you:

  • ✍️Compose music seriously
  • 🎹Need MIDI files (for DAW editing)
  • 📚Want to save many sketches
  • 🎵Need section structure management
  • 🔄Want to sync across devices

❓ Frequently Asked Questions

Q. Can I use Pro features on the web?

A. No, Pro is iOS-only. The web version offers free features only.

Q. Can I cancel during the trial period?

A. Yes, you can cancel anytime. Cancel at least 24 hours before trial ends to avoid charges.

Q. Is there an annual plan?

A. Currently, only monthly subscription is available. Annual plan is under consideration.

Q. Will my data transfer from Free to Pro?

A. Yes, your local sketches (up to 3) will be preserved when upgrading.

More questions?

Visit FAQ page →

💳 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

Questions about pricing or plans?

Contact Support or email support@ototheory.com