# Mr Comet vs InvaZium

The clearest difference is price: InvaZium at Free against Mr Comet's $0.99. InvaZium also leads on update cadence (every 6 days vs every 37 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

InvaZium 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, InvaZium every 6 days. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Mr Comet | InvaZium |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 6 days** |
| Size | 25 MB | 54 MB |
| Requires iOS | 12.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Hindle](https://appshunter.io/developer/1057765652) | [Daniel Canete Campos](https://appshunter.io/developer/1273575992) |

## What reviewers say

### Mr Comet

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

**Features:** macOS Compatibility

**In-app purchases:** none


### InvaZium

[App page](https://appshunter.io/ios/app/invazium/id6480328706)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mr Comet free?

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

### Is InvaZium free?

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

### Do Mr Comet or InvaZium have ads?

Neither Mr Comet nor InvaZium shows ads.

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

Mr Comet ships an update every 37 months, and InvaZium every 6 days. Most recently, Mr Comet was updated on October 15, 2026 and InvaZium on October 7, 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.*