# FatalityChess vs Mouseslip

The clearest difference is ads: FatalityChess at none against Mouseslip's shown. FatalityChess also leads on monetization model (free vs ad-supported) and iOS requirement (13.0 vs 15.0). Mouseslip's advantage is update cadence (every 5 weeks vs every 3 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for FatalityChess against 5.0 for Mouseslip. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

FatalityChess ships an update every 3 months, Mouseslip every 5 weeks. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FatalityChess | Mouseslip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fatalitychess/id6759448893/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mouseslip-chess-game-analysis/id6782271255/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 33 MB | 163 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [ООО "СиЭфЭн"](https://appshunter.io/developer/1878655887) | [Baby Dog Asset Management Incorporated](https://appshunter.io/developer/6772790294) |

## What reviewers say

### FatalityChess

[App page](https://appshunter.io/ios/app/fatalitychess/id6759448893)

A unique chess game where cards representing pieces are eliminated, creating a random starting position. Players then compete in a timed match with special victory conditions.

**Highlights:** Card-based piece elimination, Randomized starting chess positions, Timed matches (3 min + 2 sec/move), Unique victory conditions, Beginner vs. professional matchups

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

**In-app purchases:** none


### Mouseslip

[App page](https://appshunter.io/ios/app/mouseslip-chess-game-analysis/id6782271255)

Analyze your chess games move by move with a powerful engine, get accuracy scores, and understand every decision. Solve thousands of puzzles offline and play against AI bots at various skill levels.

**Highlights:** Import games from Chess.com and Lichess, Full game review with evaluation graph and move classification, Thousands of offline tactics puzzles, Play against dozens of AI training bots, Optional AI coach for move explanations, Step through lines with live engine evaluation

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

**In-app purchases:** none


## Frequently asked questions

### Is FatalityChess free?

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

### Is Mouseslip free?

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

### Which has better reviews, FatalityChess or Mouseslip?

FatalityChess and Mouseslip are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do FatalityChess or Mouseslip have ads?

Mouseslip shows ads; FatalityChess does not.

### Which is updated more often, FatalityChess or Mouseslip?

FatalityChess ships an update every 3 months, and Mouseslip every 5 weeks. Most recently, FatalityChess was updated on October 8, 2026 and Mouseslip on October 25, 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.*