# Piro AFO vs OPSB Sensor

The clearest difference is update cadence: OPSB Sensor at every 2 months against Piro AFO's every 5 months. OPSB Sensor also leads on iOS requirement (13.4 vs 16.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Piro AFO against 5.0 for OPSB Sensor. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Piro AFO ships an update every 5 months, OPSB Sensor every 2 months. The most recent releases landed on September 19, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Piro AFO | OPSB Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/piro-afo/id1528167662/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/opsb-sensor/id6483759938/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 61 MB | 22 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Invent Medical Group, s.r.o.](https://appshunter.io/developer/1488332944) | [Digital Health Solutions](https://appshunter.io/developer/1716676119) |

## What reviewers say

### Piro AFO

[App page](https://appshunter.io/ios/app/piro-afo/id1528167662)

This app allows healthcare professionals to easily configure and 3D scan patients' feet for custom ankle-foot orthoses. It optimizes designs based on patient data and offers aesthetic customization options.

**Highlights:** 3D scan patient feet, Configure custom AFO/SMO, Optimize orthosis with patient data, Choose orthosis type by indication, Customize color and labels, Integrates with 3D Size Me app

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

**In-app purchases:** none


### OPSB Sensor

[App page](https://appshunter.io/ios/app/opsb-sensor/id6483759938)

This app connects to sensors on orthotic braces to monitor patient wear patterns using thermal data. It offers real-time visualization, cloud storage, and secure, encrypted access. Gamification features encourage patient adherence to treatment plans.

**Highlights:** Real-time thermal data visualization, Cloud-based data storage, Bluetooth and QR code syncing, Automatic data upload, Encrypted and secure data access, Gamified patient engagement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Piro AFO free?

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

### Is OPSB Sensor free?

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

### Which has better reviews, Piro AFO or OPSB Sensor?

Piro AFO and OPSB Sensor are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Piro AFO or OPSB Sensor have ads?

Neither Piro AFO nor OPSB Sensor shows ads.

### Which is updated more often, Piro AFO or OPSB Sensor?

Piro AFO ships an update every 5 months, and OPSB Sensor every 2 months. Most recently, Piro AFO was updated on September 19, 2026 and OPSB Sensor on September 12, 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.*