# iDS vs Open eClass Mobile

The clearest difference is review sentiment: iDS at 100% against Open eClass Mobile's 2%. iDS also leads on update cadence (every 10 days vs every 3 months). Open eClass Mobile's advantage is iOS requirement (15.3 vs 26.0). 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.

iDS ships an update every 10 days, Open eClass Mobile every 3 months. The most recent releases landed on September 19, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | iDS | Open eClass Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 2.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | Free | Free |
| Size | 18 MB | 33 MB |
| Requires iOS | 26.0 | **15.3** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nikolaos Maounis](https://appshunter.io/developer/926116108) | [Greek Universities Network](https://appshunter.io/developer/796936705) |

## What reviewers say

### iDS

[App page](https://appshunter.io/ios/app/ids-digital-systems/id926116109)

This app provides essential information and tools for students of Digital Systems at the University of Piraeus. Access department news, announcements, class schedules, campus maps, and job listings. It also includes note-taking features with cross-device synchronization and Handoff support.

**Highlights:** Department news and announcements, Class schedule, Campus map and directions, Job listings, Note-taking with sync, Handoff support, Push notifications

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iDS free?

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

### Is Open eClass Mobile free?

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

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

Neither iDS nor Open eClass Mobile shows ads.

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

iDS ships an update every 10 days, and Open eClass Mobile every 3 months. Most recently, iDS was updated on September 19, 2026 and Open eClass Mobile on September 30, 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.*