# 3F GYM vs Stretchr

The clearest difference is in-app purchases: 3F GYM at none against Stretchr's 2. 3F GYM also leads on update cadence (every 3 days vs monthly) and iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Stretchr sells 2 in-app purchases, starting at $8.99 per month. 3F GYM asks for nothing beyond the download.

3F GYM ships an update every 3 days, Stretchr monthly. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 3F GYM | Stretchr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (20 ratings)](https://appshunter.io/ios/app/3f-gym/id6480144381/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free | — |
| Size | 62 MB | 66 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Full Force Fitness](https://appshunter.io/developer/1738337979) | [Adrien Marchetti](https://appshunter.io/developer/1763043856) |

## What reviewers say

### 3F GYM

[App page](https://appshunter.io/ios/app/3f-gym/id6480144381)

This app enables users to manage their gym memberships, book specialized classes like Calisthenics and CrossFit, and access detailed class information. It provides a convenient way to engage with gym services and schedules.

**Highlights:** Purchase gym memberships, Book Calisthenics classes, Book CrossFit classes, View class information, Manage gym services

**Features:** macOS Compatibility

**In-app purchases:** none


### Stretchr

[App page](https://appshunter.io/ios/app/stretchr-mobility-coach/id6760980437)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $8.99 | per month |
| Annual subscription | $79.99 | per year |


## Frequently asked questions

### Is 3F GYM free?

3F GYM is free to download, with no in-app purchases.

### Is Stretchr free?

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

### Do 3F GYM or Stretchr have ads?

Neither 3F GYM nor Stretchr shows ads.

### Which is updated more often, 3F GYM or Stretchr?

3F GYM ships an update every 3 days, and Stretchr monthly. Most recently, 3F GYM was updated on October 24, 2026 and Stretchr on October 10, 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.*