# Knee Score vs BISHOP 3D Orthotics

The clearest difference is update cadence: BISHOP 3D Orthotics at every 8 months against Knee Score's every 16 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Knee Score ships an update every 16 months, BISHOP 3D Orthotics every 8 months. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Knee Score | BISHOP 3D Orthotics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 8 months** |
| Size | 2 MB | 55 MB |
| Requires iOS | 13.2 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Thomas Frey](https://appshunter.io/developer/1654337636) | [Comb O&P](https://appshunter.io/developer/1508576483) |

## What reviewers say

### Knee Score

[App page](https://appshunter.io/ios/app/knee-score/id1248469914)

**Features:** macOS Compatibility

**In-app purchases:** none


### BISHOP 3D Orthotics

[App page](https://appshunter.io/ios/app/bishop-3d-orthotics/id6447080350)

**In-app purchases:** none


## Frequently asked questions

### Is Knee Score free?

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

### Is BISHOP 3D Orthotics free?

BISHOP 3D Orthotics is free to download, with no in-app purchases.

### Do Knee Score or BISHOP 3D Orthotics have ads?

Neither Knee Score nor BISHOP 3D Orthotics shows ads.

### Which is updated more often, Knee Score or BISHOP 3D Orthotics?

Knee Score ships an update every 16 months, and BISHOP 3D Orthotics every 8 months. Most recently, Knee Score was updated on October 12, 2026 and BISHOP 3D Orthotics on October 9, 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.*