# UDIMA App vs Colex

The clearest difference is update cadence: Colex at every 9 days against UDIMA App's every 6 weeks. Colex also leads on iOS requirement (15.6 vs 17.0). 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.

UDIMA App ships an update every 6 weeks, Colex every 9 days. The most recent releases landed on September 1, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | UDIMA App | Colex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/udima-app/id1552359277/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 140 MB | 15 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **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

### UDIMA App

[App page](https://appshunter.io/ios/app/udima-app/id1552359277)

Stay updated with the official app for the Distance University of Madrid. Access campus news, your personalized profile with a digital university card, academic calendar, and participate in fun challenges for prizes and member benefits like discounts.

**Highlights:** Campus news and events, Personalized student profile, Digital University Card (TUI), Academic calendar access, Student challenges and prizes, Exclusive member discounts

**Features:** Apple Wallet, Vision Pro support

**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 UDIMA App free?

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

### Is Colex free?

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

### Do UDIMA App or Colex have ads?

Neither UDIMA App nor Colex shows ads.

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

UDIMA App ships an update every 6 weeks, and Colex every 9 days. Most recently, UDIMA App was updated on September 1, 2026 and Colex on September 14, 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.*