# Zero One Protocol vs Skitter Dead City

The clearest difference is in-app purchases: Skitter Dead City at none against Zero One Protocol's 1. Skitter Dead City also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Zero One Protocol sells 1 one-off in-app purchase. Skitter Dead City asks for nothing beyond the download.

Zero One Protocol ships an update every 9 days, Skitter Dead City weekly. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Zero One Protocol | Skitter Dead City |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Weekly** |
| Size | 795 MB | 294 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yes2Games](https://appshunter.io/developer/1842238221) | [Ivania Fortuna](https://appshunter.io/developer/6772850588) |

## What reviewers say

### Zero One Protocol

[App page](https://appshunter.io/ios/app/zero-one-protocol-logic/id6754828013)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game Unlock | $0.99 | one-time |


### Skitter Dead City

[App page](https://appshunter.io/ios/app/skitter-dead-city/id6772850586)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zero One Protocol free?

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

### Is Skitter Dead City free?

Skitter Dead City is free to download, with no in-app purchases.

### Do Zero One Protocol or Skitter Dead City have ads?

Zero One Protocol shows ads; Skitter Dead City does not.

### Which is updated more often, Zero One Protocol or Skitter Dead City?

Zero One Protocol ships an update every 9 days, and Skitter Dead City weekly. Most recently, Zero One Protocol was updated on October 5, 2026 and Skitter Dead City on September 28, 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.*