# ポチ単 英検2～5級単語帳 vs LangBook

The clearest difference is update cadence: LangBook at weekly against ポチ単 英検2～5級単語帳's every 2 months. ポチ単 英検2～5級単語帳's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ポチ単 英検2～5級単語帳 sells 5 one-off in-app purchases and LangBook sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ポチ単 英検2～5級単語帳 ships an update every 2 months, LangBook weekly. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | ポチ単 英検2～5級単語帳 | LangBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 384 MB | 21 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Eri Ito](https://appshunter.io/developer/1869300669) | [KOSUKE NAKASONO](https://appshunter.io/developer/1887053344) |

## What reviewers say

### ポチ単 英検2～5級単語帳

[App page](https://appshunter.io/ios/app/25/id6760384345)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 英検5級 単語パック | $0.49 | one-time |
| 英検3級 単語パック | $0.49 | one-time |
| 英検4級 単語パック | $0.49 | one-time |
| 英検準2級 単語パック | $0.49 | one-time |
| 英検2級 単語パック | $0.49 | one-time |


### LangBook

[App page](https://appshunter.io/ios/app/langbook/id6761845179)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $4.99 | per month |
| Plus | $11.99 | per month |


## Frequently asked questions

### Is ポチ単 英検2～5級単語帳 free?

ポチ単 英検2～5級単語帳 is free to download, with in-app purchases available.

### Is LangBook free?

LangBook is free to download, with in-app purchases available.

### Do ポチ単 英検2～5級単語帳 or LangBook have ads?

Neither ポチ単 英検2～5級単語帳 nor LangBook shows ads.

### Which is updated more often, ポチ単 英検2～5級単語帳 or LangBook?

ポチ単 英検2～5級単語帳 ships an update every 2 months, and LangBook weekly. Most recently, ポチ単 英検2～5級単語帳 was updated on October 7, 2026 and LangBook on September 29, 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.*