# iDIERS vs PhysioScan

The clearest difference is update cadence: PhysioScan at every 2 weeks against iDIERS's every 2 months. iDIERS's advantage is iOS requirement (11 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. iDIERS sells 3 in-app purchases, starting at $27.49 per month and PhysioScan sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

iDIERS ships an update every 2 months, PhysioScan every 2 weeks. The most recent releases landed on September 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | iDIERS | PhysioScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 201 MB | 129 MB |
| Requires iOS | **11** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [iDIERS GmbH](https://appshunter.io/developer/1483716096) | [ProVita Physiotherapie Baden-Baden GmbH](https://appshunter.io/developer/1702824938) |

## What reviewers say

### iDIERS

[App page](https://appshunter.io/ios/app/idiers/id1483717889)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iDIERS Pro 1 Month | $27.49 | per month |
| iDIERS Pro 1 Month | $26.99 | one-time |
| iDIERS Pro 3 Months | $79.99 | one-time |


### PhysioScan

[App page](https://appshunter.io/ios/app/physioscan/id6462084618)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Scans | $79.00 | one-time |
| 10 Scans | $119.00 | one-time |


## Frequently asked questions

### Is iDIERS free?

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

### Is PhysioScan free?

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

### Do iDIERS or PhysioScan have ads?

Neither iDIERS nor PhysioScan shows ads.

### Which is updated more often, iDIERS or PhysioScan?

iDIERS ships an update every 2 months, and PhysioScan every 2 weeks. Most recently, iDIERS was updated on September 7, 2026 and PhysioScan on September 18, 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.*