Chordio
Chordio: A broad chord-learning and composition toolkit with a low-cost lifetime unlock. Ranked #10 of 27 in Chord Finder Software by our editors (8.3/10); pricing: Free plan; best for desktop MIDI users and music learners.
At a glance
- Editor score8.3 / 10
- PricingFree plan
- Best forDesktop MIDI users and music learners
- Free planYes
- Paid from$14.99 one-time
- Reverse chord lookupYes
- Facts checked21 Sep 2026
Where it wins
- Real-time MIDI chord recognition and reverse chord lookup
- Progression generation, voicing edits, and theory exploration
- MIDI exchange, PDF scores, lessons, and built-in playback
Where it doesn't
- The full unlock does not include the iPhone version
- Designed for Apple platforms rather than cross-platform use
- Content packs require separate in-app purchases
Our verdict on Chordio
Chordio is an interactive chord composition and music theory app for musicians, producers, composers, teachers, and learners using Apple devices. Its central workflow combines real-time chord recognition from MIDI keyboards with chord construction, progression building, voicing and inversion editing, and theory exploration. The app also includes built-in sounds, an on-screen keyboard, a sequencer, audio playback, printable PDF chord sheets and scores, and interactive lessons with quizzes and sheet music practice. That makes it suitable for users who want one environment for exploring harmony, learning chord vocabulary, and developing ideas from a MIDI keyboard.
The published plans show a straightforward freemium structure. The Free download includes built-in sounds, an on-screen keyboard, access to every workspace for trying the app, and real-time MIDI chord detection. The one-time Full Unlock costs $14.99 and adds every workspace and feature, works across Mac, iPad, and Vision Pro, includes free lifetime app updates, and has no subscription or renewals. Content Packs are separate individual in-app purchases covering Chord Packs, Sheet Music Packs, and Lesson Packs. The iPhone version is purchased separately, so buyers should distinguish the included platforms from the full Apple-device lineup.
Chordio’s strongest fit is with desktop MIDI users and music learners who value both practical composition tools and structured theory study. Harmony Explorer suggestions, a progression generator, scales and modes, the circle of fifths, and custom voicing controls give it more depth than a basic chord lookup tool. MIDI import and export support workflows involving Logic Pro, Ableton Live, and FL Studio, while PDF output supports printable chord sheets and scores. Users seeking a cross-platform application, an iPhone-inclusive unlock, or a single purchase that includes all content packs should choose an alternative. For Apple-based musicians who want recognition, exploration, playback, lessons, and DAW exchange in one product, Chordio presents a defined upgrade path without recurring renewals.
Your product? Our editors can test Chordio in depth and publish a review, labelled as paid · from $149/mo →
Chordio pricing
All 3 Chordio plans and prices →
Chordio fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $14.99 one-time |
| Reverse chord lookup | Yes |
| Progression generator | Yes |
| Voicing explorer | Yes |
| Supported instruments | piano |
| Chord chart export | Yes |
| Mobile apps | Ios |
| Chord audio playback | Yes |
| Deployment | Desktop, Mobile |
| Platforms | macOS, iOS |
| Support | Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 4 integrations: Logic Pro, Ableton Live, FL Studio, MIDI keyboards |
| Pricing | Free plan (source) |
| Website | chordio.co.uk |
| Facts checked | 21 Sep 2026 |
Chordio integrations
Chordio lists 4 integrations on its own site.
- Logic Pro
- Ableton Live
- FL Studio
- MIDI keyboards
Alternatives to Chordio
- ChordProgressions.orgA free, broad chord workspace for generating, identifying, analyzing, and exporting progressions.9.4
- OtoTheoryA focused chord workspace that combines analysis, suggestions, visualization, exports, and DAW integrations.9.2
- ChordifyA flexible chord finder for learning songs, practicing parts, and exporting progressions.9.1
See all Chordio alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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