# The Impossible Puzzle vs SumoChess

The clearest difference is iOS requirement: The Impossible Puzzle at 12.4 against SumoChess's 15.1. On price, update cadence, ads 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.

The Impossible Puzzle ships an update every 20 months, SumoChess every 13 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | The Impossible Puzzle | SumoChess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/the-impossible-puzzle/id1330172491/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 13 months** |
| Monetization | Free | — |
| Size | 7 MB | 20 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [James Newman](https://appshunter.io/developer/1441273889) | [AnnapurnApp Technologies UG haftungsbeschrankt](https://appshunter.io/developer/1227854970) |

## What reviewers say

### The Impossible Puzzle

[App page](https://appshunter.io/ios/app/the-impossible-puzzle/id1330172491)

This game presents a series of challenges described as unfeasible and inconceivable. It aims to test players' problem-solving skills with seemingly impossible tasks.

**Highlights:** Unfeasible puzzles, Nonviable challenges, Inconceivable tasks, Impracticable scenarios, Preposterous problems

**Features:** macOS Compatibility

**In-app purchases:** none


### SumoChess

[App page](https://appshunter.io/ios/app/sumochess-chess-variant/id6504040225)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Impossible Puzzle free?

The Impossible Puzzle is free to download, with no in-app purchases.

### Is SumoChess free?

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

### Do The Impossible Puzzle or SumoChess have ads?

Neither The Impossible Puzzle nor SumoChess shows ads.

### Which is updated more often, The Impossible Puzzle or SumoChess?

The Impossible Puzzle ships an update every 20 months, and SumoChess every 13 months. Most recently, The Impossible Puzzle was updated on November 2, 2026 and SumoChess on November 4, 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.*