# Helix Protocol vs I'm a Duck!

The clearest difference is in-app purchases: I'm a Duck! at none against Helix Protocol's 7. I'm a Duck! also leads on ads (none vs shown). Helix Protocol's advantage is iOS requirement (16.0 vs 18.1). On price and device support there is nothing between them.

Both are free to download. Helix Protocol sells 7 one-off in-app purchases. I'm a Duck! asks for nothing beyond the download.

## The numbers

| Metric | Helix Protocol | I'm a Duck! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 45 MB | 7 MB |
| Requires iOS | **16.0** | 18.1 |
| Devices | iPhone | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Oleksii Poliakov](https://appshunter.io/developer/648955741) | [Fumiya Oba](https://appshunter.io/developer/1780757348) |

## 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 |


### I'm a Duck!

[App page](https://appshunter.io/ios/app/im-a-duck-the-sorting-game/id6740207084)

**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 I'm a Duck! free?

I'm a Duck! is free to download, with no in-app purchases.

### Do Helix Protocol or I'm a Duck! have ads?

Helix Protocol shows ads; I'm a Duck! does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*