# Active Zone vs UV Butterfly

The clearest difference is update cadence: Active Zone at monthly against UV Butterfly's every 3 months. Active Zone also leads on iOS requirement (15.2 vs 18.5). 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.

Active Zone ships an update monthly, UV Butterfly every 3 months. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Active Zone | UV Butterfly |
| --- | --- | --- |
| 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 | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 37 MB | 5 MB |
| Requires iOS | **15.2** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [eFitness S.A.](https://appshunter.io/developer/1054978019) | [Tobiasz Sikora](https://appshunter.io/developer/1846034791) |

## What reviewers say

### 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


### UV Butterfly

[App page](https://appshunter.io/ios/app/uv-butterfly/id6753972570)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Active Zone free?

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

### Is UV Butterfly free?

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

### Do Active Zone or UV Butterfly have ads?

Neither Active Zone nor UV Butterfly shows ads.

### Which is updated more often, Active Zone or UV Butterfly?

Active Zone ships an update monthly, and UV Butterfly every 3 months. Most recently, Active Zone was updated on October 1, 2026 and UV Butterfly on October 6, 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.*