# 英単語9000 vs 高校2年生で覚える英単語500

The clearest difference is review sentiment: 高校2年生で覚える英単語500 at 100% against 英単語9000's 0%. 高校2年生で覚える英単語500 also leads on rating (4.0 vs 1.0) and iOS requirement (9.0 vs 12.0). 英単語9000's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases 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2年生で覚える英単語500 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2年生で覚える英単語500's.

英単語9000 ships an update every 22 months, 高校2年生で覚える英単語500 every 11 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 英単語9000 | 高校2年生で覚える英単語500 |
| --- | --- | --- |
| 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/2500/id1470820223/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 11 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2年生で覚える英単語500

[App page](https://appshunter.io/ios/app/2500/id1470820223)

This app helps high school sophomores learn 500 English vocabulary words. It features multiple-choice questions and pronunciation for listening practice across 28 categories. Earn gold medals by achieving perfect scores.

**Highlights:** 500 high school sophomore English words, Pronunciation feature for listening, 28 vocabulary categories, Multiple-choice questions, Gold medal achievement system, Short study sessions

**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2年生で覚える英単語500 free?

高校2年生で覚える英単語500 is free to download, with no in-app purchases.

### Which has better reviews, 英単語9000 or 高校2年生で覚える英単語500?

高校2年生で覚える英単語500 is rated higher. 英単語9000 averages 1.0 out of 5 from 1 ratings, while 高校2年生で覚える英単語500 averages 4.0 from 1 ratings.

### Do 英単語9000 or 高校2年生で覚える英単語500 have ads?

高校2年生で覚える英単語500 shows ads; 英単語9000 does not.

### Which is updated more often, 英単語9000 or 高校2年生で覚える英単語500?

英単語9000 ships an update every 22 months, and 高校2年生で覚える英単語500 every 11 months. Most recently, 英単語9000 was updated on October 24, 2026 and 高校2年生で覚える英単語500 on October 8, 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.*