# UNDB Classroom vs Sagres APP

The clearest difference is update cadence: Sagres APP at every 3 weeks against UNDB Classroom's every 23 months. Sagres APP also leads on iOS requirement (13.0 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, Sagres APP every 3 weeks. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | UNDB Classroom | Sagres APP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sagres-app/id6478060050/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 95 MB | 24 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Grupo Dom Bosco Ltda](https://appshunter.io/developer/1399242339) | [CENTRO EDUCACIONAL SAGRES FUNDAMENTAL MENOR LTDA](https://appshunter.io/developer/1460805047) |

## What reviewers say

### UNDB Classroom

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Sagres APP

[App page](https://appshunter.io/ios/app/sagres-app/id6478060050)

Stay updated with school news, announcements, and events. Access a personalized photo gallery and communicate easily through direct messaging. Get all the essential school information in one place.

**Highlights:** Latest school information, Announcements and notifications, Event alerts, Personalized photo gallery, Direct messaging

**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 Sagres APP free?

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

### Do UNDB Classroom or Sagres APP have ads?

Neither UNDB Classroom nor Sagres APP shows ads.

### Which is updated more often, UNDB Classroom or Sagres APP?

UNDB Classroom ships an update every 23 months, and Sagres APP every 3 weeks. Most recently, UNDB Classroom was updated on October 8, 2026 and Sagres APP on October 11, 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.*