# RyanRun vs Negentropy

The clearest difference is in-app purchases: RyanRun at none against Negentropy's 7. Negentropy's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Negentropy sells 7 one-off in-app purchases. RyanRun asks for nothing beyond the download.

RyanRun ships an update every 28 months, Negentropy every 21 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | RyanRun | Negentropy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/negentropy/id990270078/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 21 months** |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 346 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Leung Man Ho Thomas](https://appshunter.io/developer/619609289) | [Side Step Studios, LLC](https://appshunter.io/developer/912241443) |

## What reviewers say

### RyanRun

[App page](https://appshunter.io/ios/app/ryanrun/id619609286)

**In-app purchases:** none


### Negentropy

[App page](https://appshunter.io/ios/app/negentropy/id990270078)

Explore an old house by solving word puzzles in each room. Rearrange letters to escape entropy and advance to the next challenge. Can you master the wordplay to progress?

**Highlights:** Room-based puzzles, Letter rearrangement, Word formation, Progressive challenges, Escape entropy

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Puzzle Set 1 | $0.99 | one-time |
| Puzzle Set 2 | $0.99 | one-time |
| Puzzle Set 3 | $0.99 | one-time |
| Puzzle Set 4 | $0.99 | one-time |
| Puzzle Set 5 | $0.99 | one-time |
| Puzzle Set 6 | $0.99 | one-time |
| Puzzle Set 7 | $0.99 | one-time |


## Frequently asked questions

### Is RyanRun free?

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

### Is Negentropy free?

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

### Do RyanRun or Negentropy have ads?

Neither RyanRun nor Negentropy shows ads.

### Which is updated more often, RyanRun or Negentropy?

RyanRun ships an update every 28 months, and Negentropy every 21 months. Most recently, RyanRun was updated on November 6, 2026 and Negentropy on November 6, 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.*