# OOS vs Active Zone

The clearest difference is update cadence: Active Zone at monthly against OOS's every 3 months. OOS's advantage is iOS requirement (12.4 vs 15.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OOS ships an update every 3 months, Active Zone monthly. The most recent releases landed on September 7, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | OOS | Active Zone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/active-zone/id6587571307/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free |
| Size | 42 MB | 37 MB |
| Requires iOS | **12.4** | 15.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lukasz Kmiecik](https://appshunter.io/developer/1676048515) | [eFitness S.A.](https://appshunter.io/developer/1054978019) |

## What reviewers say

### OOS

[App page](https://appshunter.io/ios/app/oos/id6446111586)

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

**In-app purchases:** none


### Active Zone

[App page](https://appshunter.io/ios/app/active-zone/id6587571307)

Manage your gym membership, book classes, and access training areas. Use a QR code for easy gym entry and check club capacity before you go. Ideal for all fitness levels.

**Highlights:** Membership management, Group class booking, Training area access, QR code gym entry, Club capacity check

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

**In-app purchases:** none


## Frequently asked questions

### Is OOS free?

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

### Is Active Zone free?

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

### Do OOS or Active Zone have ads?

Neither OOS nor Active Zone shows ads.

### Which is updated more often, OOS or Active Zone?

OOS ships an update every 3 months, and Active Zone monthly. Most recently, OOS was updated on September 7, 2026 and Active Zone on September 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.*