# Comb 3D Scanner vs P&O Comet

The clearest difference is rating: P&O Comet at 4.0 against Comb 3D Scanner's 3.5. P&O Comet also leads on iOS requirement (11.0 vs 13.0). Comb 3D Scanner's advantage is ratings volume (19 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

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

P&O Comet holds the better App Store score, 4.0 against 3.5. That said, the two scores are not equally well evidenced: Comb 3D Scanner has 19 ratings behind it against 3, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Comb 3D Scanner | P&O Comet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (19 ratings)](https://appshunter.io/ios/app/comb-3d-scanner/id1508576484/reviews) | **[4.0 (3 ratings)](https://appshunter.io/ios/app/p-and-o-comet/id1583880880/reviews)** |
| Number of ratings | **19** | 3 |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | Free |
| Size | 50 MB | 69 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Comb O&P](https://appshunter.io/developer/1508576483) | [Orthocare Innovations, LLC](https://appshunter.io/developer/933092924) |

## What reviewers say

### Comb 3D Scanner

[App page](https://appshunter.io/ios/app/comb-3d-scanner/id1508576484)

Capture precise 3D patient scans using your compatible iOS device. Upload scans to a secure cloud for CAD rectification and fabrication. Affordable and accurate 3D scanning for medical practitioners.

**Highlights:** Precise 3D patient scanning, Secure cloud upload, CAD/CAM preparation, HIPAA compliant portal, OBJ and STL file export, Multiple scale options

**In-app purchases:** none


### P&O Comet

[App page](https://appshunter.io/ios/app/p-and-o-comet/id1583880880)

This application offers a digital toolkit for clinicians and users of prosthetics and orthotics. It provides a standardized way to select, administer, and receive immediate results for clinical outcome measures, generating printable PDFs for patient records and evidence-based care.

**Highlights:** Library of 15 clinical outcome measures, Standardized test administration, Immediate PDF results, Printable/exportable reports, Supports patient electronic health records, Multi-lingual support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Comb 3D Scanner free?

Comb 3D Scanner is free to download, with no in-app purchases.

### Is P&O Comet free?

P&O Comet is free to download, with no in-app purchases.

### Which has better reviews, Comb 3D Scanner or P&O Comet?

P&O Comet is rated higher. Comb 3D Scanner averages 3.5 out of 5 from 19 ratings, while P&O Comet averages 4.0 from 3 ratings.

### Do Comb 3D Scanner or P&O Comet have ads?

Neither Comb 3D Scanner nor P&O Comet shows ads.

### Which is updated more often, Comb 3D Scanner or P&O Comet?

Comb 3D Scanner ships an update every 4 months, and P&O Comet every 4 months. Most recently, Comb 3D Scanner was updated on October 2, 2026 and P&O Comet on October 7, 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.*