# Blundr vs ChessSight

The clearest difference is update cadence: ChessSight at daily against Blundr's every 4 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Blundr sells 2 in-app purchases, starting at $12.99 per month and ChessSight sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Blundr ships an update every 4 days, ChessSight daily. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Blundr | ChessSight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Size | 32 MB | 14 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Christopher Macier](https://appshunter.io/developer/1873602494) | [ABDULLAH ALISMAIL](https://appshunter.io/developer/6773116846) |

## What reviewers say

### Blundr

[App page](https://appshunter.io/ios/app/blundr/id6771425215)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blundr Pro | $12.99 | per month |
| Blundr Pro | $104.99 | per year |


### ChessSight

[App page](https://appshunter.io/ios/app/chesssight/id6773116514)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessSight Premium Monthly | $3.99 | per month |
| ChessSight Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Blundr free?

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

### Is ChessSight free?

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

### Do Blundr or ChessSight have ads?

Neither Blundr nor ChessSight shows ads.

### Which is updated more often, Blundr or ChessSight?

Blundr ships an update every 4 days, and ChessSight daily. Most recently, Blundr was updated on September 17, 2026 and ChessSight on September 14, 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.*