# Protocol 4 vs Stolen Worlds

The clearest difference is in-app purchases: Stolen Worlds at none against Protocol 4's 7. Stolen Worlds also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Protocol 4 sells 7 one-off in-app purchases. Stolen Worlds asks for nothing beyond the download.

## The numbers

| Metric | Protocol 4 | Stolen Worlds |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Size | 12 MB | 365 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HAKAN OZGER](https://appshunter.io/developer/1855495033) | [Gunar Ortiz](https://appshunter.io/developer/1741398408) |

## What reviewers say

### Protocol 4

[App page](https://appshunter.io/ios/app/protocol-4-code-breaker-pvp/id6755742805)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pocket Change | $0.99 | one-time |
| Starter Kit | $1.99 | one-time |
| Agent License | $2.99 | one-time |
| Hacker's Stash | $4.99 | one-time |
| Pro Kit | $4.99 | one-time |
| Trust Fund | $9.99 | one-time |
| Master Kit | $9.99 | one-time |


### Stolen Worlds

[App page](https://appshunter.io/ios/app/stolen-worlds/id6762235048)

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

**In-app purchases:** none


## Frequently asked questions

### Is Protocol 4 free?

Protocol 4 is free to download, with in-app purchases available.

### Is Stolen Worlds free?

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

### Do Protocol 4 or Stolen Worlds have ads?

Protocol 4 shows ads; Stolen Worlds does not.

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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.*