# Blunder vs Chessmirror

The clearest difference is in-app purchases: Chessmirror at none against Blunder's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Blunder sells 1 one-off in-app purchase. Chessmirror asks for nothing beyond the download.

## The numbers

| Metric | Blunder | Chessmirror |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 21 MB | 116 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lucas Raggers](https://appshunter.io/developer/1775751230) | [凤民 孙](https://appshunter.io/developer/1564679242) |

## What reviewers say

### Blunder

[App page](https://appshunter.io/ios/app/blunder-chess-scanner/id6810770465)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $4.99 | one-time |


### Chessmirror

[App page](https://appshunter.io/ios/app/chessmirror-chess-trainer/id6820324541)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blunder free?

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

### Is Chessmirror free?

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

### Do Blunder or Chessmirror have ads?

Neither Blunder nor Chessmirror 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.*