# MarginNote 4 vs MOJi翻译

The clearest difference is price: MarginNote 4 at Free against MOJi翻译's $0.99. MarginNote 4 also leads on ratings volume (716 vs 2). MOJi翻译's advantage is rating (5.0 vs 4.5) and in-app purchases (none vs 13). On ads and device support there is nothing between them.

MarginNote 4 is free to download; MOJi翻译 costs $0.99 up front. MarginNote 4 sells 12 in-app purchases, starting at $1.99 per month. MOJi翻译 asks for nothing beyond the download.

MOJi翻译 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: MarginNote 4 has 716 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 58% of MarginNote 4's written reviews are positive against 75% of MOJi翻译's.

MarginNote 4 ships an update every 3 weeks, MOJi翻译 every 5 days. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | MarginNote 4 | MOJi翻译 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.5 (716 ratings)](https://appshunter.io/ios/app/marginnote-4-ai-notesmindmap/id1531657269/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/moji/id6742438236/reviews)** |
| Number of ratings | **716** | 2 |
| Positive reviews | 58.5% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 330 MB | 115 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Yunsi Software Technology Co., Ltd](https://appshunter.io/developer/723205556) | [MOJiTekku Co.,Ltd.](https://appshunter.io/developer/1745669086) |

## What reviewers say

### MarginNote 4

[App page](https://appshunter.io/ios/app/marginnote-4-ai-notesmindmap/id1531657269)

This app integrates reading, note-taking, mind mapping, and flashcards into a unified study environment. It supports active learning with features like study sets, book compilation, and dual-article views. Enhance your understanding with visual learning tools and AI-powered content extraction for long-term memory retention.

**Highlights:** Integrated reading, note-taking, mind mapping, and flashcards, Quick Extend Note and Handwriting Layers for annotation, Study Set for organizing PDFs, EPUBs, videos, and audio, Mind Map and Concept Diagram for visual learning, AI Content Detection for formula and chart extraction, FSRS spaced-repetition algorithm for reviews, iCloud sync across Apple devices

**Features:** Family Sharing, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription to MAX (Monthly) | $1.99 | per month |
| Subscription to MAX (3 months) | $4.99 | per 3 months |
| Subscription to MAX (6 months) | $7.99 | per 6 months |
| Subscription to MAX (Annually) | $12.99 | per year |
| MarginNote Max Annual | $16.99 | per year |
| 14 days Free Trial | Free | one-time |
| Upgrade to PRO from MN3(iOS) | $4.99 | one-time |
| Unlock PRO Forever (New) | $12.99 | one-time |
| Upgrade to MAX from MN3(macOS) | $19.99 | one-time |
| Unlock MAX based on PRO | $39.99 | one-time |
| Unlock MAX based on PRO (New) | $40.00 | one-time |
| Unlock MAX Forever (New) | $51.99 | one-time |

**What reviewers like**

- 🚀 Powerful features
- 📚 Great for academic/research use
- 👍 Useful note-taking and organization
- 🖊️ Improved handwriting and annotation

**What reviewers complain about**

- 🐛 Buggy and crashes frequently
- 🕰️ Slow and laggy sync between devices
- 🤯 Steep learning curve, poor documentation
- 💰 Expensive upgrade from previous version

**Reported bugs**

- Disappearing annotations when using extend function
- Inability to restore accidentally deleted mind maps
- Inconsistent behavior with PDF file management

**Requested features**

- Improved iCloud/cloud sync reliability
- More intuitive and user-friendly interface
- Better support for external document libraries
- Ability to disable auto-excerpt selection


### MOJi翻译

[App page](https://appshunter.io/ios/app/moji/id6742438236)

This app offers comprehensive Japanese translation tools for learning, work, and travel. It features text, camera, screen, and handwriting recognition for quick and accurate translations, along with detailed译文解析 to aid understanding.

**Highlights:** Text translation, Camera word translation, Screen translation, Handwriting recognition, Translation analysis, Japanese pronunciation and vocabulary

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

**In-app purchases:** none


## Frequently asked questions

### Is MarginNote 4 free?

MarginNote 4 is free to download, with in-app purchases available.

### Is MOJi翻译 free?

MOJi翻译 costs $0.99, with no in-app purchases.

### Which has better reviews, MarginNote 4 or MOJi翻译?

MOJi翻译 is rated higher. MarginNote 4 averages 4.5 out of 5 from 716 ratings, while MOJi翻译 averages 5.0 from 2 ratings.

### Do MarginNote 4 or MOJi翻译 have ads?

Neither MarginNote 4 nor MOJi翻译 shows ads.

### Which is updated more often, MarginNote 4 or MOJi翻译?

MarginNote 4 ships an update every 3 weeks, and MOJi翻译 every 5 days. Most recently, MarginNote 4 was updated on October 17, 2026 and MOJi翻译 on October 15, 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.*