# MERS.HK vs 數學工具：探究四邊形

The clearest difference is iOS requirement: 數學工具：探究四邊形 at 6.0 against MERS.HK's 10.0. 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 | MERS.HK | 數學工具：探究四邊形 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free | — |
| Size | 2 MB | 5 MB |
| Requires iOS | 10.0 | **6.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [Pearson Education Asia Limited](https://appshunter.io/developer/429357888) |

## What reviewers say

### MERS.HK

[App page](https://appshunter.io/ios/app/mershk/id555592128)

This app provides students and teachers with an optimized experience for accessing and interacting with e-learning resources. Users can annotate screenshots, seamlessly connect with other educational tools, and enjoy a locked rotation for comfortable viewing.

**Highlights:** Optimized viewing and access to e-learning resources, Screenshot annotation and sharing, Seamless integration with other MERS apps, Automatic rotation lock for comfortable use, Designed for MERS e-Learning in Schools partners

**In-app purchases:** none


### 數學工具：探究四邊形

[App page](https://appshunter.io/ios/app/id1021469207)

**In-app purchases:** none


## Frequently asked questions

### Is MERS.HK free?

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

### Is 數學工具：探究四邊形 free?

數學工具：探究四邊形 is free to download, with no in-app purchases.

### Do MERS.HK or 數學工具：探究四邊形 have ads?

Neither MERS.HK nor 數學工具：探究四邊形 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.*