ChordMapMidi vs Triad Trainer for Guitar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChordMapMidi
This app is a MIDI controller for exploring musical chords and progressions in major and minor keys. It sends note information to other synthesizer apps on your device, making it a portable tool for musicians and educators.
- Explore chords and progressions
- Major and minor keys
- MIDI controller functionality
- Sends note information to synth apps
- Portable music tool
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ChordMapMidi allows you to explore chords and chord progressions in both major and minor keys, one finger tap at a time. Note: ChordMapMidi is a MIDI controller. It doesn't create sound on its own. It sends note information to synthesizer apps you have on your device. ChordMapMidi is useful for songwriters, MIDI musicians, music educators... especially in places where the only instrument you have is the phone in your pocket. Have fun exploring chords and progressions!
Triad Trainer for Guitar
This tool helps guitarists visualize and locate triads across different string sets and inversions on the fretboard. It provides a comprehensive way to understand and practice chord shapes.
- Find triads on various string sets
- Explore different inversions
- Visualize chord shapes on the fretboard
- Practice chord construction
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Triad Trainer will allow you to find various triads along different string sets and different inversions along the guitar neck.
Screenshots
Verdict
ChordMapMidi and Triad Trainer for Guitar both sit at 5.0 stars, but that hides the real split: 100% of Triad Trainer for Guitar's written reviews are positive against 53% of ChordMapMidi's. Triad Trainer for Guitar also leads on price (Free vs $3.99) and update cadence (every 4 months vs every 8 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Triad Trainer for Guitar is free to download; ChordMapMidi costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for ChordMapMidi against 5.0 for Triad Trainer for Guitar. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews are what separate them: 53% of ChordMapMidi's written reviews are positive against 100% of Triad Trainer for Guitar's.
ChordMapMidi ships an update every 8 months, Triad Trainer for Guitar every 4 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | ChordMapMidi | Triad Trainer for Guitar |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 5.0 (5 ratings) | 5.0 (5 ratings) |
| Positive reviews | 52.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 | 5 |
| Update frequency | Every 8 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 4 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Malcolm Mugglin | Atomic Bytes LLC |
Customer experience
ChordMapMidi
Triad Trainer for Guitar
In-app purchases
ChordMapMidi
No in-app purchases
Triad Trainer for Guitar
No in-app purchases
Questions
Is ChordMapMidi free?
Is Triad Trainer for Guitar free?
Which has better reviews, ChordMapMidi or Triad Trainer for Guitar?
Do ChordMapMidi or Triad Trainer for Guitar have ads?
Which is updated more often, ChordMapMidi or Triad Trainer for Guitar?
Other comparisons
