# FocusZen vs OC Alert

The clearest difference is in-app purchases: OC Alert at none against FocusZen's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FocusZen sells 2 in-app purchases, starting at $3.99 per month. OC Alert asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | FocusZen | OC Alert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 51 MB | 26 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Angelika Mazur](https://appshunter.io/developer/1808760151) | [TRIDENT BUSINESS SP. Z O.O.](https://appshunter.io/developer/6778852710) |

## What reviewers say

### FocusZen

[App page](https://appshunter.io/ios/app/focuszen/id6744659373)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $29.99 | per year |


### OC Alert

[App page](https://appshunter.io/ios/app/oc-alert/id6778852708)

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

**In-app purchases:** none


## Frequently asked questions

### Is FocusZen free?

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

### Is OC Alert free?

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

### Do FocusZen or OC Alert have ads?

Neither FocusZen nor OC Alert shows ads.

### Which is updated more often, FocusZen or OC Alert?

FocusZen ships an update every 3 weeks, and OC Alert every 3 weeks. Most recently, FocusZen was updated on October 11, 2026 and OC Alert on October 13, 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.*