# 21日で学ぶ歎異抄 vs Site HS Prep Construction

The clearest difference is in-app purchases: 21日で学ぶ歎異抄 at none against Site HS Prep Construction's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Site HS Prep Construction sells 3 in-app purchases, starting at $4.99 per month. 21日で学ぶ歎異抄 asks for nothing beyond the download.

## The numbers

| Metric | 21日で学ぶ歎異抄 | Site HS Prep Construction |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 6 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yoshihide Matsumoto](https://appshunter.io/developer/6788531770) | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) |

## What reviewers say

### 21日で学ぶ歎異抄

[App page](https://appshunter.io/ios/app/21/id6788531768)

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

**In-app purchases:** none


### Site HS Prep Construction

[App page](https://appshunter.io/ios/app/site-hs-prep-construction/id6792450712)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $4.99 | per month |
| Yearly Access | $14.99 | per year |
| Lifetime Access | $24.99 | one-time |


## Frequently asked questions

### Is 21日で学ぶ歎異抄 free?

21日で学ぶ歎異抄 is free to download, with no in-app purchases.

### Is Site HS Prep Construction free?

Site HS Prep Construction is free to download, with in-app purchases available.

### Do 21日で学ぶ歎異抄 or Site HS Prep Construction have ads?

Neither 21日で学ぶ歎異抄 nor Site HS Prep Construction shows ads.

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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.*