# Helix Protocol vs Mr Comet

The clearest difference is price: Helix Protocol at Free against Mr Comet's $0.99. Helix Protocol also leads on update cadence (every 3 weeks vs every 37 months). Mr Comet's advantage is in-app purchases (none vs 7) and ads (none vs shown).

Helix Protocol is free to download; Mr Comet costs $0.99 up front. Helix Protocol sells 7 one-off in-app purchases. Mr Comet asks for nothing beyond the download.

Helix Protocol ships an update every 3 weeks, Mr Comet every 37 months. Both last shipped on October 8, 2026.

## The numbers

| Metric | Helix Protocol | Mr Comet |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 37 months |
| Size | 45 MB | 25 MB |
| Requires iOS | 16.0 | **12.2** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Oleksii Poliakov](https://appshunter.io/developer/648955741) | [Anthony Hindle](https://appshunter.io/developer/1057765652) |

## What reviewers say

### Helix Protocol

[App page](https://appshunter.io/ios/app/helix-protocol/id936490163)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50K Credits | $2.99 | one-time |
| 125K Credits | $5.99 | one-time |
| 175K Credits | $8.99 | one-time |
| 250K Credits | $12.99 | one-time |
| 500K Credits | $19.99 | one-time |
| 750K Credits | $24.99 | one-time |
| 1M Credits | $29.99 | one-time |


### Mr Comet

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Helix Protocol free?

Helix Protocol is free to download, with in-app purchases available.

### Is Mr Comet free?

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

### Do Helix Protocol or Mr Comet have ads?

Helix Protocol shows ads; Mr Comet does not.

### Which is updated more often, Helix Protocol or Mr Comet?

Helix Protocol ships an update every 3 weeks, and Mr Comet every 37 months. Most recently, Helix Protocol was updated on October 8, 2026 and Mr Comet on October 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.*