# 英単語9000 vs 高校3年生で覚える英単語400

The clearest difference is review sentiment: 高校3年生で覚える英単語400 at 100% against 英単語9000's 0%. 高校3年生で覚える英単語400 also leads on rating (4.0 vs 1.0) and update cadence (every 7 months vs every 22 months). 英単語9000's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, 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.

高校3年生で覚える英単語400 holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of 英単語9000's written reviews are positive against 100% of 高校3年生で覚える英単語400's.

英単語9000 ships an update every 22 months, 高校3年生で覚える英単語400 every 7 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 英単語9000 | 高校3年生で覚える英単語400 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/9000/id1311568845/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/3400/id1470913121/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 7 months** |
| Monetization | **Free** | Ad-supported |
| Size | 29 MB | 15 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kenta Shimomura](https://appshunter.io/developer/1286473553) | [Junpei Shimotsu](https://appshunter.io/developer/882299124) |

## What reviewers say

### 英単語9000

[App page](https://appshunter.io/ios/app/9000/id1311568845)

This app helps users efficiently memorize vocabulary by focusing on words they are likely to forget. It utilizes a spaced repetition system based on the forgetting curve to reinforce learning and improve retention.

**Highlights:** 9000 vocabulary words included, Focuses on weak words based on forgetting curve, Push notifications for difficult words, Memory strength assessment, Efficient learning with occasional study sessions

**Features:** macOS Compatibility

**In-app purchases:** none


### 高校3年生で覚える英単語400

[App page](https://appshunter.io/ios/app/3400/id1470913121)

This app helps high school seniors learn 400 English vocabulary words. It features pronunciation for listening practice and a medal system for mastering categories. The 4-choice question format allows for quick study sessions.

**Highlights:** 400 high school senior vocabulary words, Pronunciation feature for listening practice, 23 categorized vocabulary sets, Medal system for category mastery, 4-choice question format for quick study

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 英単語9000 free?

英単語9000 is free to download, with no in-app purchases.

### Is 高校3年生で覚える英単語400 free?

高校3年生で覚える英単語400 is free to download, with no in-app purchases.

### Which has better reviews, 英単語9000 or 高校3年生で覚える英単語400?

高校3年生で覚える英単語400 is rated higher. 英単語9000 averages 1.0 out of 5 from 1 ratings, while 高校3年生で覚える英単語400 averages 4.0 from 1 ratings.

### Do 英単語9000 or 高校3年生で覚える英単語400 have ads?

高校3年生で覚える英単語400 shows ads; 英単語9000 does not.

### Which is updated more often, 英単語9000 or 高校3年生で覚える英単語400?

英単語9000 ships an update every 22 months, and 高校3年生で覚える英単語400 every 7 months. Most recently, 英単語9000 was updated on October 24, 2026 and 高校3年生で覚える英単語400 on October 10, 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.*