# BASIC英語帳 vs Duosub

The clearest difference is in-app purchases: BASIC英語帳 at none against Duosub's 1. Duosub's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Duosub sells 1 in-app purchase, starting at $1.99 per month. BASIC英語帳 asks for nothing beyond the download.

## The numbers

| Metric | BASIC英語帳 | Duosub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 1 MB | 84 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masahiro KITAMURA](https://appshunter.io/developer/1693324726) | [GOWS LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1734173309) |

## What reviewers say

### BASIC英語帳

[App page](https://appshunter.io/ios/app/basic/id6450440650)

**In-app purchases:** none


### Duosub

[App page](https://appshunter.io/ios/app/duosub/id6507464076)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| チケット無制限プラン | $1.99 | per month |


## Frequently asked questions

### Is BASIC英語帳 free?

BASIC英語帳 is free to download, with no in-app purchases.

### Is Duosub free?

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

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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.*