# ぜったい覚える！英検準１級単語帳 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 ぜったい覚える！英検準１級単語帳's 50%. 高校3年生で覚える英単語400 also leads on iOS requirement (9.0 vs 15.0). On price, update cadence, ads 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.

ぜったい覚える！英検準１級単語帳 ships an update every 12 months, 高校3年生で覚える英単語400 every 7 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | ぜったい覚える！英検準１級単語帳 | 高校3年生で覚える英単語400 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/3400/id1470913121/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 7 months** |
| Monetization | — | Ad-supported |
| Size | 70 MB | 15 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ben Walker](https://appshunter.io/developer/385443776) | [Junpei Shimotsu](https://appshunter.io/developer/882299124) |

## What reviewers say

### ぜったい覚える！英検準１級単語帳

[App page](https://appshunter.io/ios/app/id1294983619)

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

**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 ぜったい覚える！英検準１級単語帳 free?

ぜったい覚える！英検準１級単語帳 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.

### Do ぜったい覚える！英検準１級単語帳 or 高校3年生で覚える英単語400 have ads?

Both ぜったい覚える！英検準１級単語帳 and 高校3年生で覚える英単語400 show ads.

### Which is updated more often, ぜったい覚える！英検準１級単語帳 or 高校3年生で覚える英単語400?

ぜったい覚える！英検準１級単語帳 ships an update every 12 months, and 高校3年生で覚える英単語400 every 7 months. Most recently, ぜったい覚える！英検準１級単語帳 was updated on November 3, 2026 and 高校3年生で覚える英単語400 on November 3, 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.*