Chordio
7.5#3 in chord finder software$14.99 one-timeFree planiOSmacOS
VisitChordio vs OtoTheory
What both publish
| Fact | Chordio | OtoTheory |
|---|---|---|
| Support | Support is offered through a contact form, email, FAQ and video tutorials. | The support page lists [email protected] and says it typically responds within two business days, excluding weekends and holidays. |
Chordio plans
- FreeFree
- Free downloadFree
- Full Unlock$14.99, paid once
- Content Packs—
OtoTheory plans
- FreeFree
- Lifetime$99.99, paid once
- Pro—
Pick Chordio if…
Chordio suits producers, composers, teachers and learners who want music theory tools alongside composition and sheet music features. It is for Apple-platform users; there is no Android app.
Pick OtoTheory if…
OtoTheory suits players learning or building chord progressions, as well as songwriters, composers, and DAW users. The web version may suit users who only need a subset of its features; Pro features are for iOS users.