# RSP App vs Stretchr

The clearest difference is in-app purchases: RSP App at none against Stretchr's 2. RSP App also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, 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. RSP App asks for nothing beyond the download.

RSP App ships an update every 2 months, Stretchr monthly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RSP App | Stretchr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 23 MB | 66 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Inercial Performance Sl.](https://appshunter.io/developer/1554126019) | [Adrien Marchetti](https://appshunter.io/developer/1763043856) |

## What reviewers say

### RSP App

[App page](https://appshunter.io/ios/app/rsp-app/id1623553151)

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

**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 RSP App free?

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

### Is Stretchr free?

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

### Do RSP App or Stretchr have ads?

Neither RSP App nor Stretchr shows ads.

### Which is updated more often, RSP App or Stretchr?

RSP App ships an update every 2 months, and Stretchr monthly. Most recently, RSP App was updated on November 7, 2026 and Stretchr on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*