# Mr Comet vs inSpace defender

The clearest difference is price: inSpace defender at Free against Mr Comet's $0.99. Mr Comet's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

inSpace defender 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, inSpace defender every 23 months. The most recent releases landed on October 29, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Mr Comet | inSpace defender |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 37 months | **Every 23 months** |
| Size | 25 MB | 50 MB |
| Requires iOS | 12.2 | **12.1** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 9+ |
| Developer | [Anthony Hindle](https://appshunter.io/developer/1057765652) | [Tomasz Soroka](https://appshunter.io/developer/942170231) |

## 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


### inSpace defender

[App page](https://appshunter.io/ios/app/inspace-defender/id1256322194)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mr Comet free?

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

### Is inSpace defender free?

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

### Do Mr Comet or inSpace defender have ads?

inSpace defender shows ads; Mr Comet does not.

### Which is updated more often, Mr Comet or inSpace defender?

Mr Comet ships an update every 37 months, and inSpace defender every 23 months. Most recently, Mr Comet was updated on October 29, 2026 and inSpace defender on November 2, 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.*