# Aula UDIMA vs Colex

The clearest difference is update cadence: Colex at every 9 days against Aula UDIMA's every 8 months. Aula UDIMA's advantage is iOS requirement (13.0 vs 15.6). 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.

Aula UDIMA ships an update every 8 months, Colex every 9 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Aula UDIMA | Colex |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 57 MB | 15 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Universidad a Distancia de Madrid](https://appshunter.io/developer/1151406064) | [DESARROLLOS Y SERVICIOS DE INTERNET PARA PROFESIONALES, S.L](https://appshunter.io/developer/962117331) |

## What reviewers say

### Aula UDIMA

[App page](https://appshunter.io/ios/app/aula-udima/id1557856924)

This official university app provides students with mobile access to their course content, notifications, and grades. It allows for offline access to synchronized materials and easy communication with peers. Users can also upload files directly from their devices.

**Highlights:** Offline course content access, Instant notifications, Peer contact and communication, File uploads from mobile, View course grades, Browse course content

**Features:** macOS Compatibility

**In-app purchases:** none


### Colex

[App page](https://appshunter.io/ios/app/colex/id6742081684)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Aula UDIMA free?

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

### Is Colex free?

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

### Do Aula UDIMA or Colex have ads?

Neither Aula UDIMA nor Colex shows ads.

### Which is updated more often, Aula UDIMA or Colex?

Aula UDIMA ships an update every 8 months, and Colex every 9 days. Most recently, Aula UDIMA was updated on November 3, 2026 and Colex on November 4, 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.*