# Isorotate vs John Dark

The clearest difference is update cadence: John Dark at every 15 months against Isorotate's every 41 months. On price, ads, 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.

Isorotate ships an update every 41 months, John Dark every 15 months. The most recent releases landed on October 3, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Isorotate | John Dark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/john-dark/id1499465700/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 41 months | **Every 15 months** |
| Monetization | — | Ad-supported |
| Size | 159 MB | 56 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Avakai Games Private Limited](https://appshunter.io/developer/662870499) | [Gianluca Pironti](https://appshunter.io/developer/928958932) |

## What reviewers say

### Isorotate

[App page](https://appshunter.io/ios/app/isorotate/id1092430949)

**Features:** macOS Compatibility

**In-app purchases:** none


### John Dark

[App page](https://appshunter.io/ios/app/john-dark/id1499465700)

Navigate a world that rotates with your taps, knocking away enemies and avoiding hazardous moving walls. Collect coins to unlock new characters and vibrant colors for your world. Challenge yourself to see how far you can progress before succumbing to obstacles or the chasing wormhole.

**Highlights:** World rotation mechanic, Enemy combat, Hazardous moving walls, Coin collection, Character unlocks, Color customization

**In-app purchases:** none


## Frequently asked questions

### Is Isorotate free?

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

### Is John Dark free?

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

### Do Isorotate or John Dark have ads?

Both Isorotate and John Dark show ads.

### Which is updated more often, Isorotate or John Dark?

Isorotate ships an update every 41 months, and John Dark every 15 months. Most recently, Isorotate was updated on October 3, 2026 and John Dark on October 22, 2026.

---

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