# ぜったい覚える！英検３級単語帳 vs 単語マスターX

The clearest difference is ads: 単語マスターX at none against ぜったい覚える！英検３級単語帳's shown. 単語マスターX also leads on update cadence (every 2 weeks vs every 21 months). ぜったい覚える！英検３級単語帳's advantage is iOS requirement (15.0 vs 17.0). On price, 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.

ぜったい覚える！英検３級単語帳 ships an update every 21 months, 単語マスターX every 2 weeks. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ぜったい覚える！英検３級単語帳 | 単語マスターX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 21 months | **Every 2 weeks** |
| Size | 70 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ben Walker](https://appshunter.io/developer/385443776) | [SANWA Inc.](https://appshunter.io/developer/1878028373) |

## What reviewers say

### ぜったい覚える！英検３級単語帳

[App page](https://appshunter.io/ios/app/id1292183975)

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

**In-app purchases:** none


### 単語マスターX

[App page](https://appshunter.io/ios/app/x/id6760735471)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ぜったい覚える！英検３級単語帳 free?

ぜったい覚える！英検３級単語帳 is free to download, with no in-app purchases.

### Is 単語マスターX free?

単語マスターX is free to download, with no in-app purchases.

### Do ぜったい覚える！英検３級単語帳 or 単語マスターX have ads?

ぜったい覚える！英検３級単語帳 shows ads; 単語マスターX does not.

### Which is updated more often, ぜったい覚える！英検３級単語帳 or 単語マスターX?

ぜったい覚える！英検３級単語帳 ships an update every 21 months, and 単語マスターX every 2 weeks. Most recently, ぜったい覚える！英検３級単語帳 was updated on October 16, 2026 and 単語マスターX 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.*