# MERS.HK vs e

The clearest difference is review sentiment: MERS.HK at 40% against e's 22%. MERS.HK also leads on iOS requirement (10.0 vs 15.6). e's advantage is update cadence (every 2 months vs every 5 months). On price, ads, in-app purchases and monetization model 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, e every 2 months. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | MERS.HK | e |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/e-smart20/id833357108/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **40.0% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 2 MB | 75 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [POPULAR E-LEARNING (H.K.) LIMITED](https://appshunter.io/developer/518263638) |

## 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


### e

[App page](https://appshunter.io/ios/app/e-smart20/id833357108)

This app provides a unified interface for accessing educational resources and managing classroom activities. Teachers can oversee student access to digital textbooks and system functions, while students can view homework records. It enhances teacher-student interaction with messaging and student list features.

**Highlights:** Unified interface for teaching resources, Classroom management for teachers, Student homework record overview, Teacher messaging for interaction, Digital textbook reader, Optimized content interface

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

**In-app purchases:** none


## Frequently asked questions

### Is MERS.HK free?

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

### Is e free?

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

### Do MERS.HK or e have ads?

Neither MERS.HK nor e shows ads.

### Which is updated more often, MERS.HK or e?

MERS.HK ships an update every 5 months, and e every 2 months. Most recently, MERS.HK was updated on September 24, 2026 and e on October 5, 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.*