# TSIN vs CheckHW

The clearest difference is iOS requirement: TSIN at 12.0 against CheckHW's 16.0. On price, ads, 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.

## The numbers

| Metric | TSIN | CheckHW |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 33 MB | 0 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [HamaStar Technology Co., Ltd.](https://appshunter.io/developer/453199183) | [Shih Yuen Hsiao](https://appshunter.io/developer/1685781048) |

## What reviewers say

### TSIN

[App page](https://appshunter.io/ios/app/tsin-book/id1550244744)

This digital textbook platform offers a new cloud-based learning experience with a smooth and intuitive interface. It supports major operating systems, allowing for flexible teaching and learning beyond the desktop.

**Highlights:** Cloud-based digital textbooks, Intuitive user interface, Cross-platform compatibility, Mobile teaching and learning, Digital education experience

**Features:** macOS Compatibility

**In-app purchases:** none


### CheckHW

[App page](https://appshunter.io/ios/app/checkhw/id6448712753)

**In-app purchases:** none


## Frequently asked questions

### Is TSIN free?

TSIN is free to download, with no in-app purchases.

### Is CheckHW free?

CheckHW is free to download, with no in-app purchases.

### Do TSIN or CheckHW have ads?

Neither TSIN nor CheckHW 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.*