# MSDマニュアル家庭版 vs Valve PPM

MSDマニュアル家庭版 and Valve PPM both sit at 5.0 stars, but that hides the real split: 100% of Valve PPM's written reviews are positive against 83% of MSDマニュアル家庭版's. Valve PPM also leads on update cadence (every 2 months vs every 6 months) and ratings volume (3 vs 1). MSDマニュアル家庭版's advantage is iOS requirement (13.0 vs 15.1). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for MSDマニュアル家庭版 against 5.0 for Valve PPM. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews are what separate them: 83% of MSDマニュアル家庭版's written reviews are positive against 100% of Valve PPM's.

MSDマニュアル家庭版 ships an update every 6 months, Valve PPM every 2 months. Both last shipped on September 21, 2026.

## The numbers

| Metric | MSDマニュアル家庭版 | Valve PPM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/msd/id1401474144/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/valve-ppm/id1604258260/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 82.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 200 MB | 37 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Merck Sharp & Dohme LLC](https://appshunter.io/developer/718617686) | [KRUTSCH](https://appshunter.io/developer/1454678018) |

## What reviewers say

### MSDマニュアル家庭版

[App page](https://appshunter.io/ios/app/msd/id1401474144)

This medical encyclopedia provides clear, practical explanations of thousands of diseases, symptoms, diagnostic methods, and treatments. It features expert-written, regularly updated health information, including photos, illustrations, and videos to aid understanding. Interactive quizzes and medical news are also available.

**Highlights:** Expert-written medical information, Searchable by symptom, disease, or treatment, Photos and illustrations, Videos for visual understanding, Interactive health quizzes, Medical news updates

**Features:** macOS Compatibility

**In-app purchases:** none


### Valve PPM

[App page](https://appshunter.io/ios/app/valve-ppm/id1604258260)

This tool assists medical professionals in assessing implanted prosthetic cardiac valves. It offers guidance for checking existing valve function and selecting the optimal valve before implantation based on patient and prosthesis parameters.

**Highlights:** Assess implanted valve function, Select optimal valve before implantation, Analyze patient and prosthesis parameters, Identify potential patient-prosthesis mismatch, Determine intrinsic prosthesis dysfunction

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

**In-app purchases:** none


## Frequently asked questions

### Is MSDマニュアル家庭版 free?

MSDマニュアル家庭版 is free to download, with no in-app purchases.

### Is Valve PPM free?

Valve PPM is free to download, with no in-app purchases.

### Which has better reviews, MSDマニュアル家庭版 or Valve PPM?

MSDマニュアル家庭版 and Valve PPM are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do MSDマニュアル家庭版 or Valve PPM have ads?

Neither MSDマニュアル家庭版 nor Valve PPM shows ads.

### Which is updated more often, MSDマニュアル家庭版 or Valve PPM?

MSDマニュアル家庭版 ships an update every 6 months, and Valve PPM every 2 months. Most recently, MSDマニュアル家庭版 was updated on September 21, 2026 and Valve PPM on September 21, 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.*