# myDigitalKnee vs Simple Stretch

The clearest difference is update cadence: Simple Stretch at every 4 days against myDigitalKnee's monthly. 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.

myDigitalKnee ships an update monthly, Simple Stretch every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | myDigitalKnee | Simple Stretch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 47 MB | 71 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Opum Technologies](https://appshunter.io/developer/1724667755) | [Sabri Altinkaya](https://appshunter.io/developer/6777171033) |

## What reviewers say

### myDigitalKnee

[App page](https://appshunter.io/ios/app/mydigitalknee/id6505045452)

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

**In-app purchases:** none


### Simple Stretch

[App page](https://appshunter.io/ios/app/simple-stretch-flexibility/id6777170879)

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

**In-app purchases:** none


## Frequently asked questions

### Is myDigitalKnee free?

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

### Is Simple Stretch free?

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

### Do myDigitalKnee or Simple Stretch have ads?

Neither myDigitalKnee nor Simple Stretch shows ads.

### Which is updated more often, myDigitalKnee or Simple Stretch?

myDigitalKnee ships an update monthly, and Simple Stretch every 4 days. Most recently, myDigitalKnee was updated on October 25, 2026 and Simple Stretch on October 24, 2026.

---

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