# MERS.HK vs 執筆忘字

The clearest difference is review sentiment: 執筆忘字 at 83% against MERS.HK's 40%. 執筆忘字 also leads on update cadence (every 2 months vs every 5 months). MERS.HK's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 執筆忘字 sells 1 one-off in-app purchase. MERS.HK asks for nothing beyond the download.

MERS.HK ships an update every 5 months, 執筆忘字 every 2 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | MERS.HK | 執筆忘字 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id567388078/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 40.0% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 2 MB | 5 MB |
| Requires iOS | **10.0** | 18 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [Yan Kin LEUNG](https://appshunter.io/developer/320172517) |

## 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


### 執筆忘字

[App page](https://appshunter.io/ios/app/id567388078)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 《執筆忘字》消除廣告 | $1.99 | one-time |


## Frequently asked questions

### Is MERS.HK free?

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

### Is 執筆忘字 free?

執筆忘字 is free to download, with in-app purchases available.

### Do MERS.HK or 執筆忘字 have ads?

執筆忘字 shows ads; MERS.HK does not.

### Which is updated more often, MERS.HK or 執筆忘字?

MERS.HK ships an update every 5 months, and 執筆忘字 every 2 months. Most recently, MERS.HK was updated on November 1, 2026 and 執筆忘字 on November 1, 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.*