# Estrela do Saber vs Ka3

The clearest difference is update cadence: Estrela do Saber at every 4 days against Ka3's every 3 weeks. Ka3'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.

Estrela do Saber ships an update every 4 days, Ka3 every 3 weeks. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Estrela do Saber | Ka3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/estrela-do-saber/id1494296274/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 111 MB | 51 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mongaba Solucoes de Tecnologia Ltda. - ME](https://appshunter.io/developer/1207876622) | [Tec Sports App S.A](https://appshunter.io/developer/1544853758) |

## What reviewers say

### Estrela do Saber

[App page](https://appshunter.io/ios/app/estrela-do-saber/id1494296274)

This app facilitates direct communication between parents and a school. It allows users to receive school announcements, view daily routines, access photos, and manage event authorizations. Stay informed about your child's school life and engage with the educational institution.

**Highlights:** Direct school communication, Event calendar and reminders, Daily routine tracking, Photo sharing, Poll responses, Event authorization

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

**In-app purchases:** none


### Ka3

[App page](https://appshunter.io/ios/app/ka3/id6569255247)

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

**In-app purchases:** none


## Frequently asked questions

### Is Estrela do Saber free?

Estrela do Saber is free to download, with no in-app purchases.

### Is Ka3 free?

Ka3 is free to download, with no in-app purchases.

### Do Estrela do Saber or Ka3 have ads?

Neither Estrela do Saber nor Ka3 shows ads.

### Which is updated more often, Estrela do Saber or Ka3?

Estrela do Saber ships an update every 4 days, and Ka3 every 3 weeks. Most recently, Estrela do Saber was updated on October 20, 2026 and Ka3 on October 10, 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.*