# STOP vs Mr Comet

The clearest difference is price: STOP at Free against Mr Comet's $0.99. STOP also leads on update cadence (every 10 days vs every 37 months). Mr Comet's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

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

STOP ships an update every 10 days, Mr Comet every 37 months. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | STOP | Mr Comet |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 37 months |
| Size | 30 MB | 25 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ERX](https://appshunter.io/developer/513941286) | [Anthony Hindle](https://appshunter.io/developer/1057765652) |

## What reviewers say

### STOP

[App page](https://appshunter.io/ios/app/stop-cell-pandemic/id860160123)

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

**In-app purchases:** none


### Mr Comet

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STOP free?

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

### Is Mr Comet free?

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

### Do STOP or Mr Comet have ads?

STOP shows ads; Mr Comet does not.

### Which is updated more often, STOP or Mr Comet?

STOP ships an update every 10 days, and Mr Comet every 37 months. Most recently, STOP was updated on October 9, 2026 and Mr Comet on October 15, 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.*