# The Impossible Puzzle vs Riddlerr

The clearest difference is ads: The Impossible Puzzle at none against Riddlerr's shown. The Impossible Puzzle also leads on iOS requirement (12.4 vs 15.0). Riddlerr's advantage is update cadence (every 3 weeks vs every 20 months). On price, in-app purchases and device support 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, Riddlerr every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | The Impossible Puzzle | Riddlerr |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 20 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Newman](https://appshunter.io/developer/1441273889) | [Vladyslav Yermakov](https://appshunter.io/developer/1659418110) |

## 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


### Riddlerr

[App page](https://appshunter.io/ios/app/riddlerr/id1659418108)

**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 Riddlerr free?

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

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

Riddlerr shows ads; The Impossible Puzzle does not.

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

The Impossible Puzzle ships an update every 20 months, and Riddlerr every 3 weeks. Most recently, The Impossible Puzzle was updated on November 6, 2026 and Riddlerr on November 3, 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.*