# BASIS FIT vs RunX

The clearest difference is update cadence: BASIS FIT at monthly against RunX's every 3 months. BASIS FIT also leads on iOS requirement (13.4 vs 15.1). 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.

BASIS FIT ships an update monthly, RunX every 3 months. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | BASIS FIT | RunX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 28 MB | 37 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fitbase](https://appshunter.io/developer/1530906929) | [SUNGU ERDEM GUNALTAY](https://appshunter.io/developer/1884583394) |

## What reviewers say

### BASIS FIT

[App page](https://appshunter.io/ios/app/basis-fit/id1670732064)

**Features:** macOS Compatibility

**In-app purchases:** none


### RunX

[App page](https://appshunter.io/ios/app/runx/id6749934722)

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

**In-app purchases:** none


## Frequently asked questions

### Is BASIS FIT free?

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

### Is RunX free?

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

### Do BASIS FIT or RunX have ads?

Neither BASIS FIT nor RunX shows ads.

### Which is updated more often, BASIS FIT or RunX?

BASIS FIT ships an update monthly, and RunX every 3 months. Most recently, BASIS FIT was updated on September 29, 2026 and RunX on September 30, 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.*