# Know Notes vs MiReDoSi

The clearest difference is in-app purchases: MiReDoSi at none against Know Notes's 6. MiReDoSi also leads on update cadence (every 2 days vs fortnightly). Know Notes's advantage is iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Know Notes sells 6 one-off in-app purchases. MiReDoSi asks for nothing beyond the download.

Know Notes ships an update fortnightly, MiReDoSi every 2 days. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Know Notes | MiReDoSi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (31 ratings)](https://appshunter.io/ios/app/know-notes-learn-music/id1536356966/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 95.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 2 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [wylan neely](https://appshunter.io/developer/1261508202) | [Luca Torella](https://appshunter.io/developer/290848760) |

## What reviewers say

### Know Notes

[App page](https://appshunter.io/ios/app/know-notes-learn-music/id1536356966)

Develop your musical ear by learning to identify notes and chords by sound. This gamified app makes practicing fun and competitive, allowing you to progress from basic notes to sharps and flats.

**Highlights:** Ear training, Note recognition, Chord recognition, Gamified learning, Progressive difficulty, Natural notes, sharps, and flats

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Violin Notes | $0.99 | one-time |
| Electronic Keyboard Notes | $0.99 | one-time |
| Grand Piano Notes | $0.99 | one-time |
| Unlock Violin Instrument | $2.99 | one-time |
| Acoustic Guitar (Major Chords) | $2.99 | one-time |
| Unlock Acoustic Guitar | $3.99 | one-time |


### MiReDoSi

[App page](https://appshunter.io/ios/app/miredosi/id6763944684)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Know Notes free?

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

### Is MiReDoSi free?

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

### Do Know Notes or MiReDoSi have ads?

Neither Know Notes nor MiReDoSi shows ads.

### Which is updated more often, Know Notes or MiReDoSi?

Know Notes ships an update fortnightly, and MiReDoSi every 2 days. Most recently, Know Notes was updated on November 12, 2026 and MiReDoSi 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.*