# 高校3年生で覚える英単語400 vs 高校英単語 エビ英高｜4択で反復学習

The clearest difference is in-app purchases: 高校3年生で覚える英単語400 at none against 高校英単語 エビ英高｜4択で反復学習's 1. 高校3年生で覚える英単語400 also leads on iOS requirement (9.0 vs 15.6). 高校英単語 エビ英高｜4択で反復学習's advantage is update cadence (every 2 months vs every 7 months). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. 高校英単語 エビ英高｜4択で反復学習 sells 1 one-off in-app purchase. 高校3年生で覚える英単語400 asks for nothing beyond the download.

高校3年生で覚える英単語400 ships an update every 7 months, 高校英単語 エビ英高｜4択で反復学習 every 2 months. The most recent releases landed on June 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 高校3年生で覚える英単語400 | 高校英単語 エビ英高｜4択で反復学習 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/3400/id1470913121/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Ad-supported | Ad-supported |
| Size | 15 MB | 23 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Junpei Shimotsu](https://appshunter.io/developer/882299124) | [keiji imamura](https://appshunter.io/developer/1496803101) |

## What reviewers say

### 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


### 高校英単語 エビ英高｜4択で反復学習

[App page](https://appshunter.io/ios/app/4/id1509303123)

This app helps high school students memorize 1300 essential English vocabulary words through a game-like interface. It uses a spaced repetition algorithm based on the forgetting curve to optimize review intervals, ensuring long-term retention. Perfect for quick study sessions or comprehensive test preparation.

**Highlights:** 1300 essential high school English words, Spaced repetition algorithm, Game-like learning experience, Randomized quiz format, Focus on weak words, Stage unlocking system

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示+問題300問追加+音声無制限 | $4.99 | one-time |


## Frequently asked questions

### 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.

### Is 高校英単語 エビ英高｜4択で反復学習 free?

高校英単語 エビ英高｜4択で反復学習 is free to download, with in-app purchases available.

### Do 高校3年生で覚える英単語400 or 高校英単語 エビ英高｜4択で反復学習 have ads?

Both 高校3年生で覚える英単語400 and 高校英単語 エビ英高｜4択で反復学習 show ads.

### Which is updated more often, 高校3年生で覚える英単語400 or 高校英単語 エビ英高｜4択で反復学習?

高校3年生で覚える英単語400 ships an update every 7 months, and 高校英単語 エビ英高｜4択で反復学習 every 2 months. Most recently, 高校3年生で覚える英単語400 was updated on June 1, 2026 and 高校英単語 エビ英高｜4択で反復学習 on September 19, 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.*