# ChordProg Ear Trainer vs Major System Trainer

The clearest difference is price: ChordProg Ear Trainer at Free against Major System Trainer's $1.99. ChordProg Ear Trainer also leads on update cadence (every 5 days vs every 2 weeks). Major System Trainer's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

ChordProg Ear Trainer is free to download; Major System Trainer costs $1.99 up front. ChordProg Ear Trainer sells 3 in-app purchases, starting at $2.99 per month. Major System Trainer asks for nothing beyond the download.

ChordProg Ear Trainer ships an update every 5 days, Major System Trainer every 2 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ChordProg Ear Trainer | Major System Trainer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.4 (16 ratings)](https://appshunter.io/ios/app/chordprog-ear-trainer/id1454739512/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 116 MB | 31 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DevDa AS](https://appshunter.io/developer/1708225323) | [Jerome Agostini](https://appshunter.io/developer/6795657664) |

## What reviewers say

### ChordProg Ear Trainer

[App page](https://appshunter.io/ios/app/chordprog-ear-trainer/id1454739512)

This app offers a realistic music training experience by using real audio clips to teach chord progressions, intervals, chords, and scales. It provides over 500 audio clips for practice and is designed to help prepare users for ear training tests.

**Highlights:** Chord progression recognition, Interval recognition exercises, Chord recognition exercises, Scale recognition exercises, 500+ real audio clips, Music theory exploration, Regular updates with new features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly premium subscription! | $2.99 | per month |
| Yearly Premium Subscription! | $24.99 | per year |
| Premium Access | $9.99 | one-time |


### Major System Trainer

[App page](https://appshunter.io/ios/app/major-system-trainer/id6795657662)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChordProg Ear Trainer free?

ChordProg Ear Trainer is free to download, with in-app purchases available.

### Is Major System Trainer free?

Major System Trainer costs $1.99, with no in-app purchases.

### Do ChordProg Ear Trainer or Major System Trainer have ads?

Neither ChordProg Ear Trainer nor Major System Trainer shows ads.

### Which is updated more often, ChordProg Ear Trainer or Major System Trainer?

ChordProg Ear Trainer ships an update every 5 days, and Major System Trainer every 2 weeks. Most recently, ChordProg Ear Trainer was updated on October 24, 2026 and Major System Trainer on October 21, 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.*