# Helix Egg Tycoon vs Model Prisoner

The clearest difference is in-app purchases: Model Prisoner at none against Helix Egg Tycoon's 4. Model Prisoner also leads on update cadence (every 2 days vs every 9 days). Helix Egg Tycoon's advantage is iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Helix Egg Tycoon sells 4 one-off in-app purchases. Model Prisoner asks for nothing beyond the download.

Helix Egg Tycoon ships an update every 9 days, Model Prisoner every 2 days. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Helix Egg Tycoon | Model Prisoner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 2 days** |
| Size | 103 MB | 42 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [捷立 郑](https://appshunter.io/developer/1703701196) | [KYUNGROK KIM](https://appshunter.io/developer/6785047318) |

## What reviewers say

### Helix Egg Tycoon

[App page](https://appshunter.io/ios/app/helix-egg-tycoon/id6471542610)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmallDiamondPack | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| MediumDiamondsPack | $4.99 | one-time |
| BigDiamondsPack | $9.99 | one-time |


### Model Prisoner

[App page](https://appshunter.io/ios/app/model-prisoner/id6797208807)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Helix Egg Tycoon free?

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

### Is Model Prisoner free?

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

### Do Helix Egg Tycoon or Model Prisoner have ads?

Both Helix Egg Tycoon and Model Prisoner show ads.

### Which is updated more often, Helix Egg Tycoon or Model Prisoner?

Helix Egg Tycoon ships an update every 9 days, and Model Prisoner every 2 days. Most recently, Helix Egg Tycoon was updated on October 30, 2026 and Model Prisoner on October 29, 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.*