# Open eClass Mobile vs MERR

The clearest difference is update cadence: MERR at every 2 weeks against Open eClass Mobile's every 3 months. 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.

Open eClass Mobile ships an update every 3 months, MERR every 2 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Open eClass Mobile | MERR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 2.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 33 MB | 49 MB |
| Requires iOS | 15.3 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Greek Universities Network](https://appshunter.io/developer/796936705) | [SYSTSERV](https://appshunter.io/developer/1255989470) |

## What reviewers say

### Open eClass Mobile

[App page](https://appshunter.io/ios/app/open-eclass-mobile/id1398319489)

Access your Open eClass courses and stay updated with the official mobile application. This app provides an alternative way to interact with your educational content, designed to complement the web experience.

**Highlights:** Access Open eClass courses, Stay updated on course content, Alternative to web-app access, Requires active user account, Works with enabled Open eClass sites

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

**In-app purchases:** none


### MERR

[App page](https://appshunter.io/ios/app/merr/id6754271954)

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

**In-app purchases:** none


## Frequently asked questions

### Is Open eClass Mobile free?

Open eClass Mobile is free to download, with no in-app purchases.

### Is MERR free?

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

### Do Open eClass Mobile or MERR have ads?

Neither Open eClass Mobile nor MERR shows ads.

### Which is updated more often, Open eClass Mobile or MERR?

Open eClass Mobile ships an update every 3 months, and MERR every 2 weeks. Most recently, Open eClass Mobile was updated on November 2, 2026 and MERR on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*