# ChessGrind vs My Blunders

The clearest difference is in-app purchases: My Blunders at none against ChessGrind's 3. My Blunders also leads on iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. ChessGrind sells 3 in-app purchases, starting at $3.99 per month. My Blunders asks for nothing beyond the download.

## The numbers

| Metric | ChessGrind | My Blunders |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 2 MB | 12 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [InnovaLabWorks](https://appshunter.io/developer/1888514726) | [SAMI ABDULNOUR](https://appshunter.io/developer/6777989744) |

## What reviewers say

### ChessGrind

[App page](https://appshunter.io/ios/app/chessgrind-study-planner/id6789848865)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessGrind Pro | $3.99 | per month |
| ChessGrind Pro | $24.99 | per year |
| ChessGrind Lifetime | $2.99 | one-time |


### My Blunders

[App page](https://appshunter.io/ios/app/my-blunders/id6795417088)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChessGrind free?

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

### Is My Blunders free?

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

### Do ChessGrind or My Blunders have ads?

Neither ChessGrind nor My Blunders 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.*