# MERS.HK vs 珍貴的記憶AR

The clearest difference is update cadence: MERS.HK at every 5 months against 珍貴的記憶AR's every 51 months. MERS.HK also leads on iOS requirement (10.0 vs 12.0). 珍貴的記憶AR's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MERS.HK ships an update every 5 months, 珍貴的記憶AR every 51 months. The most recent releases landed on October 10, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | MERS.HK | 珍貴的記憶AR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 51 months |
| Monetization | Free | — |
| Size | 2 MB | 246 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [DESIGN AND CULTURAL STUDIES WORKSHOP LIMITED](https://appshunter.io/developer/1442813794) |

## 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


### 珍貴的記憶AR

[App page](https://appshunter.io/ios/app/ar/id1453118776)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MERS.HK free?

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

### Is 珍貴的記憶AR free?

珍貴的記憶AR is free to download, with no in-app purchases.

### Do MERS.HK or 珍貴的記憶AR have ads?

Neither MERS.HK nor 珍貴的記憶AR shows ads.

### Which is updated more often, MERS.HK or 珍貴的記憶AR?

MERS.HK ships an update every 5 months, and 珍貴的記憶AR every 51 months. Most recently, MERS.HK was updated on October 10, 2026 and 珍貴的記憶AR on September 28, 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.*