# Mr Comet vs Sticky Castle

The clearest difference is price: Sticky Castle at Free against Mr Comet's $0.99. Sticky Castle also leads on update cadence (every 2 months vs every 37 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Sticky Castle is free to download; Mr Comet costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mr Comet ships an update every 37 months, Sticky Castle every 2 months. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Mr Comet | Sticky Castle |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 2 months** |
| Size | 25 MB | 203 MB |
| Requires iOS | 12.2 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Anthony Hindle](https://appshunter.io/developer/1057765652) | [Leon Schrijvers](https://appshunter.io/developer/1607573850) |

## What reviewers say

### Mr Comet

[App page](https://appshunter.io/ios/app/mr-comet/id1126482889)

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

**In-app purchases:** none


### Sticky Castle

[App page](https://appshunter.io/ios/app/sticky-castle/id1607573847)

**In-app purchases:** none


## Frequently asked questions

### Is Mr Comet free?

Mr Comet costs $0.99, with no in-app purchases.

### Is Sticky Castle free?

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

### Do Mr Comet or Sticky Castle have ads?

Neither Mr Comet nor Sticky Castle shows ads.

### Which is updated more often, Mr Comet or Sticky Castle?

Mr Comet ships an update every 37 months, and Sticky Castle every 2 months. Most recently, Mr Comet was updated on October 15, 2026 and Sticky Castle on October 19, 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.*