# Chord Reading Trainer vs Absolute Pitch Training Lab

The clearest difference is iOS requirement: Absolute Pitch Training Lab at 15.0 against Chord Reading Trainer's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Chord Reading Trainer sells 6 in-app purchases, starting at $0.49 per month and Absolute Pitch Training Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Chord Reading Trainer ships an update every 8 days, Absolute Pitch Training Lab every 5 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Chord Reading Trainer | Absolute Pitch Training Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 5 days** |
| Size | 15 MB | 3 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ruku Kobayashi](https://appshunter.io/developer/1707735136) | [Pen Hsi Chen](https://appshunter.io/developer/6787056668) |

## What reviewers say

### Chord Reading Trainer

[App page](https://appshunter.io/ios/app/chord-reading-trainer/id6792265363)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan (Monthly) | $0.49 | per month |
| Premium Plan (Yearly) | $2.99 | per year |
| Snack Tip | $0.49 | one-time |
| Coffee Tip | $2.99 | one-time |
| Premium Plan (Lifetime) | $4.99 | one-time |
| Dinner Tip | $5.99 | one-time |


### Absolute Pitch Training Lab

[App page](https://appshunter.io/ios/app/absolute-pitch-training-lab/id6822936709)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 完整版 | $5.99 | one-time |


## Frequently asked questions

### Is Chord Reading Trainer free?

Chord Reading Trainer is free to download, with in-app purchases available.

### Is Absolute Pitch Training Lab free?

Absolute Pitch Training Lab is free to download, with in-app purchases available.

### Do Chord Reading Trainer or Absolute Pitch Training Lab have ads?

Neither Chord Reading Trainer nor Absolute Pitch Training Lab shows ads.

### Which is updated more often, Chord Reading Trainer or Absolute Pitch Training Lab?

Chord Reading Trainer ships an update every 8 days, and Absolute Pitch Training Lab every 5 days. Most recently, Chord Reading Trainer was updated on November 5, 2026 and Absolute Pitch Training Lab on November 6, 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.*