# Zyron vs System Lock

The clearest difference is iOS requirement: Zyron at 14.0 against System Lock's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Zyron sells 2 in-app purchases, starting at $1.99 per month and System Lock sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Zyron ships an update every 9 days, System Lock every 6 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Zyron | System Lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 6 days** |
| Size | 58 MB | 89 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Leonardo Martins](https://appshunter.io/developer/1890370771) | [Mark Angelo Atienza](https://appshunter.io/developer/1896323065) |

## What reviewers say

### Zyron

[App page](https://appshunter.io/ios/app/zyron-pet-habit-tracker/id6763343377)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZyronPro | $1.99 | per month |
| ZyronPro | $14.99 | per year |


### System Lock

[App page](https://appshunter.io/ios/app/system-lock-level-up-focus/id6766763868)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| System Lock Pro | $4.99 | per 7 days |
| System Lock Pro | $9.99 | per month |
| System Lock Pro | $19.99 | per year |
| System Lock Pro | $49.99 | per year |


## Frequently asked questions

### Is Zyron free?

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

### Is System Lock free?

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

### Do Zyron or System Lock have ads?

Neither Zyron nor System Lock shows ads.

### Which is updated more often, Zyron or System Lock?

Zyron ships an update every 9 days, and System Lock every 6 days. Most recently, Zyron was updated on October 28, 2026 and System Lock on October 25, 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.*