# m3.com 電子書籍 vs Dr.JOY

The clearest difference is rating: Dr.JOY at 5.0 against m3.com 電子書籍's 4.5. Dr.JOY also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). m3.com 電子書籍's advantage is ratings volume (4 vs 1). On price, update cadence, 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.

Dr.JOY holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 0% of m3.com 電子書籍's written reviews are positive against 20% of Dr.JOY's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | m3.com 電子書籍 | Dr.JOY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/m3com/id324539795/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/drjoy/id933087765/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | **20.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 176 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [M3, Inc.](https://appshunter.io/developer/399741640) | [Drjoy](https://appshunter.io/developer/933087764) |

## What reviewers say

### m3.com 電子書籍

[App page](https://appshunter.io/ios/app/m3com/id324539795)

Access and search over 13,000 medical e-books, including drug references and treatment guides. Carry your entire medical library on your iPhone or iPad for offline viewing and quick cross-referencing.

**Highlights:** 13,000+ medical e-books, Cross-book search, Incremental search, Inter-book linking, Offline reference, Notes, bookmarks, marking

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

**In-app purchases:** none


### Dr.JOY

[App page](https://appshunter.io/ios/app/drjoy/id933087765)

This app is a secure groupware solution designed for medical institutions, developed by practicing physicians. It streamlines various medical tasks, from attendance management and drug information searches to communication and scheduling with external partners. It aims to support work style reforms within the healthcare industry.

**Highlights:** Attendance management, Drug and side effect search, Score calculation tools, Secure communication platform, Schedule coordination, Document and image sharing, External calendar sync

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

**In-app purchases:** none


## Frequently asked questions

### Is m3.com 電子書籍 free?

m3.com 電子書籍 is free to download, with no in-app purchases.

### Is Dr.JOY free?

Dr.JOY is free to download, with no in-app purchases.

### Which has better reviews, m3.com 電子書籍 or Dr.JOY?

Dr.JOY is rated higher. m3.com 電子書籍 averages 4.5 out of 5 from 4 ratings, while Dr.JOY averages 5.0 from 1 ratings.

### Do m3.com 電子書籍 or Dr.JOY have ads?

m3.com 電子書籍 shows ads; Dr.JOY does not.

### Which is updated more often, m3.com 電子書籍 or Dr.JOY?

m3.com 電子書籍 ships an update every 3 weeks, and Dr.JOY every 3 weeks. Most recently, m3.com 電子書籍 was updated on September 15, 2026 and Dr.JOY on September 22, 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.*