# MERS.HK vs Maths Vocabulary

MERS.HK and Maths Vocabulary are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Maths Vocabulary every 7 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | MERS.HK | Maths Vocabulary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Free | — |
| Size | 2 MB | 76 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [e-Trainer Limited](https://appshunter.io/developer/479825150) |

## 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


### Maths Vocabulary

[App page](https://appshunter.io/ios/app/maths-vocabulary/id1564199222)

**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 Maths Vocabulary free?

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

### Do MERS.HK or Maths Vocabulary have ads?

Neither MERS.HK nor Maths Vocabulary shows ads.

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

MERS.HK ships an update every 5 months, and Maths Vocabulary every 7 months. Most recently, MERS.HK was updated on November 1, 2026 and Maths Vocabulary on October 27, 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.*