# Polygonus Qualidade vs Eventos Dr. Thiago Castro

The clearest difference is iOS requirement: Polygonus Qualidade at 13.0 against Eventos Dr. Thiago Castro's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Polygonus Qualidade ships an update every 6 days, Eventos Dr. Thiago Castro weekly. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Polygonus Qualidade | Eventos Dr. Thiago Castro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Size | 63 MB | 32 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +12 |
| Developer | [POLYGONUS LTDA](https://appshunter.io/developer/1352794431) | [INA Neurociências e Autismo](https://appshunter.io/developer/1838462295) |

## What reviewers say

### Polygonus Qualidade

[App page](https://appshunter.io/ios/app/polygonus-qualidade/id1515057773)

**Features:** macOS Compatibility

**In-app purchases:** none


### Eventos Dr. Thiago Castro

[App page](https://appshunter.io/ios/app/eventos-dr-thiago-castro/id6759724246)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polygonus Qualidade free?

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

### Is Eventos Dr. Thiago Castro free?

Eventos Dr. Thiago Castro is free to download, with no in-app purchases.

### Do Polygonus Qualidade or Eventos Dr. Thiago Castro have ads?

Neither Polygonus Qualidade nor Eventos Dr. Thiago Castro shows ads.

### Which is updated more often, Polygonus Qualidade or Eventos Dr. Thiago Castro?

Polygonus Qualidade ships an update every 6 days, and Eventos Dr. Thiago Castro weekly. Most recently, Polygonus Qualidade was updated on October 18, 2026 and Eventos Dr. Thiago Castro on October 25, 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.*