# The Running App vs Flex Studioz

The clearest difference is iOS requirement: The Running App at 10.0 against Flex Studioz's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | The Running App | Flex Studioz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 59 MB | 53 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [AppendiQs Inc](https://appshunter.io/developer/1009702586) | [FLEX STUDIO FITNESS CLUB L.L.C](https://appshunter.io/developer/1867140048) |

## What reviewers say

### The Running App

[App page](https://appshunter.io/ios/app/the-running-app-lite-version/id1441500376)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flex Studioz

[App page](https://appshunter.io/ios/app/flex-studioz/id6757464862)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Running App free?

The Running App is free to download, with no in-app purchases.

### Is Flex Studioz free?

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

### Do The Running App or Flex Studioz have ads?

Neither The Running App nor Flex Studioz shows ads.

### Which is updated more often, The Running App or Flex Studioz?

The Running App ships an update every 2 months, and Flex Studioz every 2 months. Most recently, The Running App was updated on September 29, 2026 and Flex Studioz on October 1, 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.*