# Boston Sensor vs OPSB Sensor

The clearest difference is review sentiment: OPSB Sensor at 100% against Boston Sensor's 33%. OPSB Sensor also leads on rating (5.0 vs 3.7). Boston Sensor's advantage is update cadence (every 2 weeks vs every 2 months) and ratings volume (11 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

OPSB Sensor holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Boston Sensor has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of Boston Sensor's written reviews are positive against 100% of OPSB Sensor's.

Boston Sensor ships an update every 2 weeks, OPSB Sensor every 2 months. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Boston Sensor | OPSB Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (11 ratings)](https://appshunter.io/ios/app/boston-sensor/id1556323962/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/opsb-sensor/id6483759938/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 142 MB | 22 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Maestro](https://appshunter.io/developer/773672141) | [Digital Health Solutions](https://appshunter.io/developer/1716676119) |

## What reviewers say

### Boston Sensor

[App page](https://appshunter.io/ios/app/boston-sensor/id1556323962)

This app wirelessly records and displays the internal temperature of a brace, allowing patients to track their actual wear time. Downloaded reports show daily wear patterns and average hours worn, which can be emailed to healthcare providers.

**Highlights:** Wireless Bluetooth Low Energy sensor integration, Records internal brace temperature, Tracks actual wear time, Generates daily wear pattern reports, Calculates average hours worn per day, Email reports to care team

**Features:** macOS Compatibility

**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 Boston Sensor free?

Boston Sensor 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, Boston Sensor or OPSB Sensor?

OPSB Sensor is rated higher. Boston Sensor averages 3.7 out of 5 from 11 ratings, while OPSB Sensor averages 5.0 from 1 ratings.

### Do Boston Sensor or OPSB Sensor have ads?

Neither Boston Sensor nor OPSB Sensor shows ads.

### Which is updated more often, Boston Sensor or OPSB Sensor?

Boston Sensor ships an update every 2 weeks, and OPSB Sensor every 2 months. Most recently, Boston Sensor was updated on September 26, 2026 and OPSB Sensor on September 30, 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.*