# RoastMyChess vs Blunderzone

The clearest difference is update cadence: RoastMyChess at daily against Blunderzone's fortnightly. RoastMyChess also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. RoastMyChess sells 1 in-app purchase, starting at $6.99 per 7 days and Blunderzone sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

RoastMyChess ships an update daily, Blunderzone fortnightly. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RoastMyChess | Blunderzone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Size | 108 MB | 185 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ankit Priyadarshi](https://appshunter.io/developer/1824085646) | [RANKA s.r.o.](https://appshunter.io/developer/352576574) |

## What reviewers say

### RoastMyChess

[App page](https://appshunter.io/ios/app/roastmychess-chess-analysis/id6755482817)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |


### Blunderzone

[App page](https://appshunter.io/ios/app/blunderzone/id6763366751)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blunderzone Basic | $3.99 | per month |
| Blunderzone Premium | $6.99 | per month |
| 20 AI explanations | $4.00 | one-time |
| 100 AI explanations | $18.00 | one-time |


## Frequently asked questions

### Is RoastMyChess free?

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

### Is Blunderzone free?

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

### Do RoastMyChess or Blunderzone have ads?

Neither RoastMyChess nor Blunderzone shows ads.

### Which is updated more often, RoastMyChess or Blunderzone?

RoastMyChess ships an update daily, and Blunderzone fortnightly. Most recently, RoastMyChess was updated on October 17, 2026 and Blunderzone on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*