# rectify vs Sooley

The clearest difference is in-app purchases: Sooley at none against rectify's 1. Sooley also leads on ads (none vs shown). rectify's advantage is update cadence (every 3 days vs every 3 weeks) and device support (4 vs 2). On price and iOS requirement there is nothing between them.

Both are free to download. rectify sells 1 in-app purchase, starting at $4.99 per month. Sooley asks for nothing beyond the download.

rectify ships an update every 3 days, Sooley every 3 weeks. Both last shipped on October 1, 2026.

## The numbers

| Metric | rectify | Sooley |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 189 MB | 187 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [MinkTec GmbH](https://appshunter.io/developer/1634767386) | [ShoeFitter GmbH](https://appshunter.io/developer/1552374297) |

## What reviewers say

### rectify

[App page](https://appshunter.io/ios/app/rectify-posture-tracking/id1634767384)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AirPods Head Tracking | $4.99 | per month |


### Sooley

[App page](https://appshunter.io/ios/app/sooley/id1666504657)

Create custom-fit shoe insoles using your phone's camera. This app uses 3D scanning technology to capture your foot's unique shape, ensuring personalized comfort and support. Order your perfectly tailored insoles directly through the app for an enhanced walking experience.

**Highlights:** 3D foot scanning, Personalized insole creation, Exact fit and maximum support, Direct insole ordering, Comfortable shoe experience

**In-app purchases:** none


## Frequently asked questions

### Is rectify free?

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

### Is Sooley free?

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

### Do rectify or Sooley have ads?

rectify shows ads; Sooley does not.

### Which is updated more often, rectify or Sooley?

rectify ships an update every 3 days, and Sooley every 3 weeks. Most recently, rectify was updated on October 1, 2026 and Sooley on October 1, 2026.

---

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