# UNDB Classroom vs Even3 Eventos

The clearest difference is update cadence: Even3 Eventos at every 3 months against UNDB Classroom's every 23 months. Even3 Eventos also leads on iOS requirement (11.0 vs 15.5). 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.

UNDB Classroom ships an update every 23 months, Even3 Eventos every 3 months. The most recent releases landed on October 8, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | UNDB Classroom | Even3 Eventos |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 54.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 95 MB | 58 MB |
| Requires iOS | 15.5 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Grupo Dom Bosco Ltda](https://appshunter.io/developer/1399242339) | [L3 SOLUCOES EM TECNOLOGIA](https://appshunter.io/developer/1140214277) |

## What reviewers say

### UNDB Classroom

[App page](https://appshunter.io/ios/app/undb-classroom/id1540639920)

**Features:** macOS Compatibility

**In-app purchases:** none


### Even3 Eventos

[App page](https://appshunter.io/ios/app/even3-eventos/id1546271819)

Discover and organize technical and scientific events like congresses, workshops, and courses. Find online and in-person events across Brazil, filtering by type, location, area, and date. Access all event details conveniently.

**Highlights:** Event organization platform, Find technical and scientific events, Search online and in-person events, Filter by event type, state, area, date, Access event information

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

**In-app purchases:** none


## Frequently asked questions

### Is UNDB Classroom free?

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

### Is Even3 Eventos free?

Even3 Eventos is free to download, with no in-app purchases.

### Do UNDB Classroom or Even3 Eventos have ads?

Neither UNDB Classroom nor Even3 Eventos shows ads.

### Which is updated more often, UNDB Classroom or Even3 Eventos?

UNDB Classroom ships an update every 23 months, and Even3 Eventos every 3 months. Most recently, UNDB Classroom was updated on October 8, 2026 and Even3 Eventos on October 29, 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.*