# Mugi vs Plain850：核心英文 850詞

The clearest difference is update cadence: Mugi at daily against Plain850：核心英文 850詞's every 2 weeks. Plain850：核心英文 850詞's advantage is iOS requirement (13.0 vs 15.1). On price, ads, 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.

Mugi ships an update daily, Plain850：核心英文 850詞 every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Mugi | Plain850：核心英文 850詞 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mugi-ai/id6762441510/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | Free | — |
| Size | 94 MB | 43 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [业锋 王](https://appshunter.io/developer/1603789266) | [Lok Wai](https://appshunter.io/developer/1895320924) |

## What reviewers say

### Mugi

[App page](https://appshunter.io/ios/app/mugi-ai/id6762441510)

This AI-powered companion helps you deeply understand Japanese sentences from various sources like anime, dramas, or study materials. It provides detailed analysis, including word segmentation, grammar identification, and translation, with features like OCR and pronunciation.

**Highlights:** AI deep syntactic analysis, Word segmentation and part-of-speech tagging, Grammar and sentence pattern recognition, OCR for text recognition from images/screenshots, Native pronunciation playback, Vocabulary notebook with spaced repetition, Customizable AI model integration

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

**In-app purchases:** none


### Plain850：核心英文 850詞

[App page](https://appshunter.io/ios/app/plain850-850/id6776902920)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mugi free?

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

### Is Plain850：核心英文 850詞 free?

Plain850：核心英文 850詞 is free to download, with no in-app purchases.

### Do Mugi or Plain850：核心英文 850詞 have ads?

Neither Mugi nor Plain850：核心英文 850詞 shows ads.

### Which is updated more often, Mugi or Plain850：核心英文 850詞?

Mugi ships an update daily, and Plain850：核心英文 850詞 every 2 weeks. Most recently, Mugi was updated on October 31, 2026 and Plain850：核心英文 850詞 on October 31, 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.*