# Keyflow vs Chord Reading Trainer

The clearest difference is in-app purchases: Keyflow at none against Chord Reading Trainer's 6. Keyflow also leads on iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Chord Reading Trainer sells 6 in-app purchases, starting at $0.49 per month. Keyflow asks for nothing beyond the download.

## The numbers

| Metric | Keyflow | Chord Reading Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Size | 34 MB | 15 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pawel Frydrych](https://appshunter.io/developer/1854865260) | [Ruku Kobayashi](https://appshunter.io/developer/1707735136) |

## What reviewers say

### Keyflow

[App page](https://appshunter.io/ios/app/keyflow-learn-piano/id6762548013)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Keyflow free?

Keyflow is free to download, with no in-app purchases.

### Is Chord Reading Trainer free?

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

### Do Keyflow or Chord Reading Trainer have ads?

Neither Keyflow nor Chord Reading Trainer shows ads.

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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.*