# MSDマニュアル家庭版 vs メンタル日記

The clearest difference is rating: MSDマニュアル家庭版 at 5.0 against メンタル日記's 4.5. MSDマニュアル家庭版 also leads on iOS requirement (13.0 vs 15.0). メンタル日記's advantage is update cadence (fortnightly vs every 6 months) and ratings volume (316 vs 1). On price, review sentiment, 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.

MSDマニュアル家庭版 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: メンタル日記 has 316 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 80% and 79% positive.

MSDマニュアル家庭版 ships an update every 6 months, メンタル日記 fortnightly. The most recent releases landed on October 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MSDマニュアル家庭版 | メンタル日記 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/msd/id1401474144/reviews)** | [4.5 (316 ratings)](https://appshunter.io/ios/app/id1580878119/reviews) |
| Number of ratings | 1 | **316** |
| Positive reviews | **79.6% of reviews** | 78.8% of reviews |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 200 MB | 75 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Merck Sharp & Dohme LLC](https://appshunter.io/developer/718617686) | [Saki Tsuji](https://appshunter.io/developer/1504430106) |

## 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


### メンタル日記

[App page](https://appshunter.io/ios/app/id1580878119)

This app helps you track and understand your emotions by allowing you to select from over 60 feelings and assign a percentage to their intensity. You can also share your emotional state with a partner and review your feelings over time through a calendar view. Features include password protection and data backup.

**Highlights:** 60+ emotion choices, Partner sharing, Percentage display of emotions, Calendar view, Password lock, Data backup, Customizable themes

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 😊 Helps with self-understanding
- 🤝 Good for sharing with loved ones
- ✨ Useful for mental health support
- 🚀 Quick to record thoughts

**What reviewers complain about**

- 🐛 App crashes or freezes
- ⚠️ Data loss after updates
- ❌ Difficult to transfer data
- 🚫 Limited positive emotion logging
- 🗄️ History viewing could be improved

**Reported bugs**

- App does not open after device change
- Login screen freezes
- Sharing disconnected after update
- Cannot paste into keyboard input
- Network error prevents recording

**Requested features**

- Add positive emotion logging
- Implement read receipts for shared entries
- Allow feedback on diary entries
- Enable clickable URLs in entries
- Add body/physical condition tracking


## 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 メンタル日記 free?

メンタル日記 is free to download, with no in-app purchases.

### Which has better reviews, MSDマニュアル家庭版 or メンタル日記?

MSDマニュアル家庭版 is rated higher. MSDマニュアル家庭版 averages 5.0 out of 5 from 1 ratings, while メンタル日記 averages 4.5 from 316 ratings.

### Which is updated more often, MSDマニュアル家庭版 or メンタル日記?

MSDマニュアル家庭版 ships an update every 6 months, and メンタル日記 fortnightly. Most recently, MSDマニュアル家庭版 was updated on October 29, 2026 and メンタル日記 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.*