# Extensor vs Physical Therapy

The clearest difference is in-app purchases: Extensor at none against Physical Therapy's 3. Extensor also leads on iOS requirement (13.4 vs 15.0). Physical Therapy's advantage is update cadence (fortnightly vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Physical Therapy sells 3 in-app purchases, starting at $5.99 per month. Extensor asks for nothing beyond the download.

Extensor ships an update every 5 months, Physical Therapy fortnightly. The most recent releases landed on November 26, 2025 and October 10, 2026 respectively.

## The numbers

| Metric | Extensor | Physical Therapy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Size | 26 MB | 100 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Extensor Applications LTD](https://appshunter.io/developer/1613206482) | [Tjard Luedeke](https://appshunter.io/developer/1548123510) |

## What reviewers say

### Extensor

[App page](https://appshunter.io/ios/app/extensor/id1613206480)

**Features:** macOS Compatibility

**In-app purchases:** none


### Physical Therapy

[App page](https://appshunter.io/ios/app/physical-therapy-rehabuddy/id6746193276)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RehaBuddy Pro | $5.99 | per month |
| RehaBuddy Pro Yearly | $44.99 | per year |
| RehaBuddy Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Extensor free?

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

### Is Physical Therapy free?

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

### Do Extensor or Physical Therapy have ads?

Neither Extensor nor Physical Therapy shows ads.

### Which is updated more often, Extensor or Physical Therapy?

Extensor ships an update every 5 months, and Physical Therapy fortnightly. Most recently, Extensor was updated on November 26, 2025 and Physical Therapy 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.*