# System Zero vs Luna Relax

The clearest difference is ads: Luna Relax at none against System Zero's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. System Zero sells 3 in-app purchases, starting at $12.99 per month and Luna Relax sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

System Zero ships an update weekly, Luna Relax every 5 days. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | System Zero | Luna Relax |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Size | 65 MB | 12 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abdelrahman Mohammed](https://appshunter.io/developer/1679252760) | [yousuf buhaddoud](https://appshunter.io/developer/1241740408) |

## What reviewers say

### System Zero

[App page](https://appshunter.io/ios/app/system-zero-self-improvement/id6778561681)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| System Zero Pro - Monthly | $12.99 | per month |
| System Zero Pro - Yearly | $59.99 | per year |
| System Zero Pro - Yearly | $59.99 | per year |


### Luna Relax

[App page](https://appshunter.io/ios/app/luna-relax/id6784989323)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luna_Monthly- $9.99 | $9.99 | per month |
| Luna Relax Premium -6 Months | $39.99 | per 6 months |


## Frequently asked questions

### Is System Zero free?

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

### Is Luna Relax free?

Luna Relax is free to download, with in-app purchases available.

### Do System Zero or Luna Relax have ads?

System Zero shows ads; Luna Relax does not.

### Which is updated more often, System Zero or Luna Relax?

System Zero ships an update weekly, and Luna Relax every 5 days. Most recently, System Zero was updated on October 18, 2026 and Luna Relax on October 14, 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.*