# PalpationMapp vs P&O Comet

The clearest difference is price: P&O Comet at Free against PalpationMapp's $14.99. P&O Comet also leads on update cadence (every 4 months vs every 17 months) and iOS requirement (11.0 vs 14.0). PalpationMapp's advantage is rating (4.6 vs 4.0) and ratings volume (83 vs 3). On ads, in-app purchases and device support there is nothing between them.

P&O Comet is free to download; PalpationMapp costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PalpationMapp holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: PalpationMapp has 83 ratings behind it against 3, so its average is the more settled of the two.

PalpationMapp ships an update every 17 months, P&O Comet every 4 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | PalpationMapp | P&O Comet |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[4.6 (83 ratings)](https://appshunter.io/ios/app/palpationmapp/id687875793/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/p-and-o-comet/id1583880880/reviews) |
| Number of ratings | **83** | 3 |
| Positive reviews | 67.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 4 months** |
| Monetization | Paid | **Free** |
| Size | 541 MB | 69 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Books of Discovery](https://appshunter.io/developer/510119610) | [Orthocare Innovations, LLC](https://appshunter.io/developer/933092924) |

## What reviewers say

### PalpationMapp

[App page](https://appshunter.io/ios/app/palpationmapp/id687875793)

This app offers a visual guide to identifying and palpating 91 essential muscles. It provides clear instructions and overlay images to help users deepen their understanding of the musculoskeletal system and master palpation skills.

**Highlights:** 91 essential muscles in HD video, 200 overlay anatomy images, Muscle identification and engagement, Bony landmark identification, Differentiate muscles from adjacent structures, Menu-guided navigation

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

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly and straightforward
- 📚 Great for anatomy and palpation learning
- 🎥 Excellent video demonstrations
- 📱 Convenient mobile reference
- 🎓 Invaluable for massage therapy students

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Videos not playing
- 🐛 Issues after iOS updates
- 🚫 No sound in videos (historical issue)
- 💸 Duplicate purchase frustration

**Reported bugs**

- App crashes on launch or navigation
- Videos do not play
- Functionality broken after iOS updates (especially iOS 11, 13)
- No sound in videos (historical issue)
- App not available in Canadian App Store

**Requested features**

- Content for teaching trigger points
- Update for current iOS versions
- Add sound to videos (historical)
- Make all book videos available in the app


### 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 PalpationMapp free?

PalpationMapp costs $14.99, 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, PalpationMapp or P&O Comet?

PalpationMapp is rated higher. PalpationMapp averages 4.6 out of 5 from 83 ratings, while P&O Comet averages 4.0 from 3 ratings.

### Do PalpationMapp or P&O Comet have ads?

Neither PalpationMapp nor P&O Comet shows ads.

### Which is updated more often, PalpationMapp or P&O Comet?

PalpationMapp ships an update every 17 months, and P&O Comet every 4 months. Most recently, PalpationMapp was updated on November 6, 2026 and P&O Comet on November 3, 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.*