# Mapping Tonal Harmony Pro vs Oolimo Guitar Chords

The clearest difference is rating: Oolimo Guitar Chords at 4.8 against Mapping Tonal Harmony Pro's 4.1. Oolimo Guitar Chords also leads on review sentiment (92% vs 49%) and price ($5.99 vs $14.99). Mapping Tonal Harmony Pro's advantage is update cadence (every 10 days vs every 6 weeks). On ratings volume, ads, device support and iOS requirement there is nothing between them.

Mapping Tonal Harmony Pro costs $14.99 and Oolimo Guitar Chords $5.99 up front. Mapping Tonal Harmony Pro sells 5 one-off in-app purchases. Oolimo Guitar Chords asks for nothing beyond the download.

Oolimo Guitar Chords holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 65 and 102 respectively. Written reviews point the same way: 49% of Mapping Tonal Harmony Pro's written reviews are positive against 92% of Oolimo Guitar Chords's.

Mapping Tonal Harmony Pro ships an update every 10 days, Oolimo Guitar Chords every 6 weeks. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Mapping Tonal Harmony Pro | Oolimo Guitar Chords |
| --- | --- | --- |
| Price | $14.99 | **$5.99** |
| Rating | [4.1 (65 ratings)](https://appshunter.io/ios/app/mapping-tonal-harmony-pro/id566767002/reviews) | **[4.8 (102 ratings)](https://appshunter.io/ios/app/oolimo-guitar-chords/id1463331841/reviews)** |
| Number of ratings | 65 | **102** |
| Positive reviews | 49.4% of reviews | **91.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 280 MB | 15 MB |
| Requires iOS | 16.0 | 16 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [MDECKS MUSIC, LLC](https://appshunter.io/developer/566767005) | [Oliver Mochmann](https://appshunter.io/developer/1463331840) |

## What reviewers say

### Mapping Tonal Harmony Pro

[App page](https://appshunter.io/ios/app/mapping-tonal-harmony-pro/id566767002)

This comprehensive music theory tool helps musicians analyze, reharmonize, and create music. It offers AI-powered harmonic analysis, play-along practice, and score printing. Ideal for students, performers, composers, and teachers.

**Highlights:** AI Harmonic Analysis, Reharmonize Songs, Play-along Practice, Create Harmonic Progressions, Print/Export Scores, Study Tonal Harmony Concepts

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Analyzer | $5.99 | one-time |
| Target Notes | $6.99 | one-time |
| Upper Structures | $6.99 | one-time |
| 1000+ Jazz Standards | $9.99 | one-time |
| Bird Bebop Progressions | $9.99 | one-time |

**What reviewers like**

- 🎵 Exceptional sound quality and backing tracks
- 🎓 Powerful harmonic analysis and visualization tool
- 🎹 Comprehensive chord voicing options
- 💡 Innovative tonal harmony mapping concept
- 🎼 Excellent for jazz improvisation and composition

**What reviewers complain about**

- 😕 Steep learning curve and non-intuitive UI
- 🐛 Frequent crashes and stability issues
- 📱 Poor optimization for iPhone (too small)
- 🔋 Significant battery drain in background
- 💰 Expensive with many paywalled features

**Reported bugs**

- App crashes on play button press
- Crashes when touching chords on map or staff
- Voicing keyboard not showing during playback
- Transposition not working properly
- Repeat signs non-functional on iOS

**Requested features**

- Simpler, more intuitive user interface redesign
- In-app written manual and better documentation
- Pause button in playback controls
- Easier loop and measure selection functionality
- Support for more time signatures beyond 4/4 and 3/4


### Oolimo Guitar Chords

[App page](https://appshunter.io/ios/app/oolimo-guitar-chords/id1463331841)

This app provides an interactive way to learn, understand, and master guitar chords. It offers a structured approach to chord theory, helping users visualize and hear harmonic relationships. Features include a chord finder, analyzer, progression explorer, interactive lessons, and quizzes.

**Highlights:** Interactive chord finder and analyzer, Chord progression visualization, 22 interactive theory lessons, Chord construction and ear training quizzes, Interactive fretboard and diagrams, Chord playback and note display

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mapping Tonal Harmony Pro free?

Mapping Tonal Harmony Pro costs $14.99, and also offers in-app purchases.

### Is Oolimo Guitar Chords free?

Oolimo Guitar Chords costs $5.99, with no in-app purchases.

### Which has better reviews, Mapping Tonal Harmony Pro or Oolimo Guitar Chords?

Oolimo Guitar Chords is rated higher. Mapping Tonal Harmony Pro averages 4.1 out of 5 from 65 ratings, while Oolimo Guitar Chords averages 4.8 from 102 ratings.

### Do Mapping Tonal Harmony Pro or Oolimo Guitar Chords have ads?

Neither Mapping Tonal Harmony Pro nor Oolimo Guitar Chords shows ads.

### Which is updated more often, Mapping Tonal Harmony Pro or Oolimo Guitar Chords?

Mapping Tonal Harmony Pro ships an update every 10 days, and Oolimo Guitar Chords every 6 weeks. Most recently, Mapping Tonal Harmony Pro was updated on October 19, 2026 and Oolimo Guitar Chords on October 18, 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.*