# ChordProg Ear Trainer vs Math Timer Quiz

The clearest difference is in-app purchases: Math Timer Quiz at none against ChordProg Ear Trainer's 3. ChordProg Ear Trainer's advantage is iOS requirement (14.0 vs 16.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ChordProg Ear Trainer sells 3 in-app purchases, starting at $2.99 per month. Math Timer Quiz asks for nothing beyond the download.

ChordProg Ear Trainer ships an update every 9 days, Math Timer Quiz weekly. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ChordProg Ear Trainer | Math Timer Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (15 ratings)](https://appshunter.io/ios/app/chordprog-ear-trainer/id1454739512/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 139 MB | 5 MB |
| Requires iOS | **14.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DevDa AS](https://appshunter.io/developer/1708225323) | [Suraj Suhang](https://appshunter.io/developer/1788635006) |

## 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 |


### Math Timer Quiz

[App page](https://appshunter.io/ios/app/math-timer-quiz/id6740232831)

**Features:** macOS Compatibility

**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 Math Timer Quiz free?

Math Timer Quiz is free to download, with no in-app purchases.

### Do ChordProg Ear Trainer or Math Timer Quiz have ads?

Neither ChordProg Ear Trainer nor Math Timer Quiz shows ads.

### Which is updated more often, ChordProg Ear Trainer or Math Timer Quiz?

ChordProg Ear Trainer ships an update every 9 days, and Math Timer Quiz weekly. Most recently, ChordProg Ear Trainer was updated on September 20, 2026 and Math Timer Quiz on September 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.*