# UDBRA | CIE Digital vs Coreduca

The clearest difference is review sentiment: Coreduca at 100% against UDBRA | CIE Digital's 60%. UDBRA | CIE Digital's advantage is in-app purchases (none vs 6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Coreduca sells 6 in-app purchases, starting at $2.99 per month. UDBRA | CIE Digital asks for nothing beyond the download.

UDBRA | CIE Digital ships an update every 2 weeks, Coreduca every 10 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | UDBRA | CIE Digital | Coreduca |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | **Free** | Freemium |
| Size | 38 MB | 71 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | +4 |
| Developer | [UDBRA União dos Discentes do Brasil](https://appshunter.io/developer/1878373153) | [COREDUCA LTDA](https://appshunter.io/developer/6809983552) |

## What reviewers say

### UDBRA | CIE Digital

[App page](https://appshunter.io/ios/app/udbra-cie-digital/id6759388530)

Manage your student ID card digitally. Track the production and delivery of your physical card, receive important notifications, and request a digital PDF version. Access humanized support via chat for any queries.

**Highlights:** Digital student ID card, Physical card tracking, Real-time notifications, PDF version request, Integrated chat support, Profile control

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

**In-app purchases:** none


### Coreduca

[App page](https://appshunter.io/ios/app/coreduca-aprenda-coreano/id6809983550)

Master Korean with structured lessons, AI-powered pronunciation feedback, and interactive quizzes. Track your progress, engage with a community, and build vocabulary with an integrated dictionary. Start your journey to fluency today.

**Highlights:** Structured learning path, AI pronunciation feedback, Vocabulary quizzes, Streak and achievement system, Integrated Korean-Portuguese dictionary, Student community

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coreduca Premium Mensal | $2.99 | per month |
| Premium Mensal | $3.99 | per month |
| Coreduca Premium Mensal | $3.99 | per month |
| Coreduca — Aprenda Coreano | $19.99 | per year |
| Coreduca Premium Anual | $19.99 | per year |
| Premium Anual | $22.99 | per year |


## Frequently asked questions

### Is UDBRA | CIE Digital free?

UDBRA | CIE Digital is free to download, with no in-app purchases.

### Is Coreduca free?

Coreduca is free to download, with in-app purchases available.

### Do UDBRA | CIE Digital or Coreduca have ads?

Neither UDBRA | CIE Digital nor Coreduca shows ads.

### Which is updated more often, UDBRA | CIE Digital or Coreduca?

UDBRA | CIE Digital ships an update every 2 weeks, and Coreduca every 10 days. Most recently, UDBRA | CIE Digital was updated on October 31, 2026 and Coreduca on October 31, 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.*