# 英単完全攻略8000語 LITE vs Kusari

The clearest difference is review sentiment: Kusari at 100% against 英単完全攻略8000語 LITE's 65%. Kusari also leads on update cadence (every 10 days vs every 2 months). 英単完全攻略8000語 LITE's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kusari sells 1 in-app purchase, starting at $29.99 per month. 英単完全攻略8000語 LITE asks for nothing beyond the download.

英単完全攻略8000語 LITE ships an update every 2 months, Kusari every 10 days. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 英単完全攻略8000語 LITE | Kusari |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/8000-lite/id346518198/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 64.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 41 MB | 123 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAI MEDIA CO.,LTD.](https://appshunter.io/developer/343272071) | [RYUTA ABE](https://appshunter.io/developer/1895880547) |

## What reviewers say

### 英単完全攻略8000語 LITE

[App page](https://appshunter.io/ios/app/8000-lite/id346518198)

This app offers a comprehensive English vocabulary learning experience with 8,000 words across six levels, from junior high to advanced university entrance exams. It uses an efficient learning method that prioritizes unfamiliar and incorrect words, and includes four engaging game modes to reinforce learning. Users can also review all words with meanings, native pronunciation, and example sentences.

**Highlights:** 8,000 essential English words, Six difficulty levels, Four vocabulary learning games, Prioritizes weak words, Native pronunciation audio, Word list with definitions and examples, Bookmark difficult words

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

**In-app purchases:** none


### Kusari

[App page](https://appshunter.io/ios/app/kusari/id6764690812)

This app uses behavioral economics to build a daily English learning habit. It employs a commitment device where users risk losing money if they miss their daily tasks, encouraging consistent practice through financial stakes rather than willpower. Daily activities include reading, shadowing, and AI conversation, taking 15-20 minutes.

**Highlights:** Commitment device with financial stakes, Daily reading, shadowing, and AI conversation, 15-20 minute daily tasks, Behavioral economics principles applied, Dynamic skill level adjustment (CEFR A1-C2), Tiered pricing based on daily achievement

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kusari Monthly | $29.99 | per month |


## Frequently asked questions

### Is 英単完全攻略8000語 LITE free?

英単完全攻略8000語 LITE is free to download, with no in-app purchases.

### Is Kusari free?

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

### Do 英単完全攻略8000語 LITE or Kusari have ads?

Neither 英単完全攻略8000語 LITE nor Kusari shows ads.

### Which is updated more often, 英単完全攻略8000語 LITE or Kusari?

英単完全攻略8000語 LITE ships an update every 2 months, and Kusari every 10 days. Most recently, 英単完全攻略8000語 LITE was updated on October 27, 2026 and Kusari on October 7, 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.*