# Protocol 4 vs BasBas

The clearest difference is in-app purchases: BasBas at none against Protocol 4's 7. BasBas also leads on ads (none vs shown) and iOS requirement (15.6 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. BasBas asks for nothing beyond the download.

## The numbers

| Metric | Protocol 4 | BasBas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Size | 12 MB | 5 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HAKAN OZGER](https://appshunter.io/developer/1855495033) | [SEMIH KASRET](https://appshunter.io/developer/1856507054) |

## 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 |


### BasBas

[App page](https://appshunter.io/ios/app/basbas/id6762821144)

**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 BasBas free?

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

### Do Protocol 4 or BasBas have ads?

Protocol 4 shows ads; BasBas 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.*