# NoteFlash vs Chord Reading Trainer

The clearest difference is iOS requirement: NoteFlash at 17.0 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. NoteFlash sells 1 one-off in-app purchase and Chord Reading Trainer sells 6 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

NoteFlash ships an update every 4 days, Chord Reading Trainer every 8 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | NoteFlash | Chord Reading Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 8 days |
| Size | 5 MB | 15 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TETSUYA SAKAI](https://appshunter.io/developer/1868393663) | [Ruku Kobayashi](https://appshunter.io/developer/1707735136) |

## What reviewers say

### NoteFlash

[App page](https://appshunter.io/ios/app/noteflash-sight-reading/id6775148130)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteFlash Premium | $2.99 | one-time |


### 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 NoteFlash free?

NoteFlash is free to download, with in-app purchases available.

### Is Chord Reading Trainer free?

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

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

Neither NoteFlash nor Chord Reading Trainer shows ads.

### Which is updated more often, NoteFlash or Chord Reading Trainer?

NoteFlash ships an update every 4 days, and Chord Reading Trainer every 8 days. Most recently, NoteFlash was updated on November 7, 2026 and Chord Reading Trainer on November 5, 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.*