# Fit vs ActivOS

The clearest difference is update cadence: Fit at fortnightly against ActivOS's monthly. ActivOS's advantage is iOS requirement (13.0 vs 17.6). 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.

Fit ships an update fortnightly, ActivOS monthly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Fit | ActivOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 7 MB | 27 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [锟 杨](https://appshunter.io/developer/1857419321) | [Damir Gojovic](https://appshunter.io/developer/1881269160) |

## What reviewers say

### Fit

[App page](https://appshunter.io/ios/app/fit-genius/id6755933024)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### ActivOS

[App page](https://appshunter.io/ios/app/activos/id6759856262)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fit free?

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

### Is ActivOS free?

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

### Do Fit or ActivOS have ads?

Neither Fit nor ActivOS shows ads.

### Which is updated more often, Fit or ActivOS?

Fit ships an update fortnightly, and ActivOS monthly. Most recently, Fit was updated on October 30, 2026 and ActivOS 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.*