# VIVAN FIT vs One

The clearest difference is in-app purchases: VIVAN FIT at none against One's 4. VIVAN FIT also leads on iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. One sells 4 one-off in-app purchases. VIVAN FIT asks for nothing beyond the download.

## The numbers

| Metric | VIVAN FIT | One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 91 MB | 35 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [SHENZHEN WOKE TECHNOLOGY Co.,LTD](https://appshunter.io/developer/1217129504) | [PWZ COM CORP](https://appshunter.io/developer/1883572739) |

## What reviewers say

### VIVAN FIT

[App page](https://appshunter.io/ios/app/vivan-fit/id6755212259)

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

**In-app purchases:** none


### One

[App page](https://appshunter.io/ios/app/one-ai/id6761099079)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $9.90 | one-time |
| Basic | $29.90 | one-time |
| Plus | $49.90 | one-time |
| Professional | $99.90 | one-time |


## Frequently asked questions

### Is VIVAN FIT free?

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

### Is One free?

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

### Do VIVAN FIT or One have ads?

Neither VIVAN FIT nor One shows ads.

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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.*