# ChordMapMidi vs Triad Trainer for Guitar

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.

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.

## The numbers

| Metric | ChordMapMidi | Triad Trainer for Guitar |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/chordmapmidi/id533859936/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/triad-trainer-for-guitar/id6740260732/reviews) |
| Number of ratings | 5 | 5 |
| Positive reviews | 52.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 54 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Malcolm Mugglin](https://appshunter.io/developer/533859939) | [Atomic Bytes LLC](https://appshunter.io/developer/1789279676) |

## What reviewers say

### ChordMapMidi

[App page](https://appshunter.io/ios/app/chordmapmidi/id533859936)

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.

**Highlights:** Explore chords and progressions, Major and minor keys, MIDI controller functionality, Sends note information to synth apps, Portable music tool

**In-app purchases:** none


### Triad Trainer for Guitar

[App page](https://appshunter.io/ios/app/triad-trainer-for-guitar/id6740260732)

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.

**Highlights:** Find triads on various string sets, Explore different inversions, Visualize chord shapes on the fretboard, Practice chord construction

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChordMapMidi free?

ChordMapMidi costs $3.99, with no in-app purchases.

### Is Triad Trainer for Guitar free?

Triad Trainer for Guitar is free to download, with no in-app purchases.

### Which has better reviews, ChordMapMidi or Triad Trainer for Guitar?

ChordMapMidi and Triad Trainer for Guitar are both rated 5.0 out of 5 on the App Store, from 5 and 5 ratings respectively.

### Do ChordMapMidi or Triad Trainer for Guitar have ads?

Neither ChordMapMidi nor Triad Trainer for Guitar shows ads.

### Which is updated more often, ChordMapMidi or Triad Trainer for Guitar?

ChordMapMidi ships an update every 8 months, and Triad Trainer for Guitar every 4 months. Most recently, ChordMapMidi was updated on November 1, 2026 and Triad Trainer for Guitar on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*