# Mr Comet vs Digital Defence

The clearest difference is price: Digital Defence at Free against Mr Comet's $0.99. Digital Defence also leads on update cadence (every 16 months 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.

Digital Defence 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, Digital Defence every 16 months. The most recent releases landed on September 7, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Mr Comet | Digital Defence |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 37 months | **Every 16 months** |
| Size | 25 MB | 20 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) | [Safak Yalcinkaya](https://appshunter.io/developer/1626278233) |

## What reviewers say

### Mr Comet

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Digital Defence

[App page](https://appshunter.io/ios/app/digital-defence/id1626287978)

**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 Digital Defence free?

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

### Do Mr Comet or Digital Defence have ads?

Digital Defence shows ads; Mr Comet does not.

### Which is updated more often, Mr Comet or Digital Defence?

Mr Comet ships an update every 37 months, and Digital Defence every 16 months. Most recently, Mr Comet was updated on September 7, 2026 and Digital Defence on September 8, 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.*