# Instituto Caldeira vs Portal Trinity

The clearest difference is update cadence: Instituto Caldeira at every 4 months against Portal Trinity's every 8 months. Instituto Caldeira also leads on iOS requirement (13.4 vs 15.1). 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.

Instituto Caldeira ships an update every 4 months, Portal Trinity every 8 months. The most recent releases landed on October 8, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Instituto Caldeira | Portal Trinity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Size | 71 MB | 37 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | +4 |
| Developer | [Instituto Caldeira](https://appshunter.io/developer/1701820865) | [Cativa Tecnologia e Servicos Digitais Ltda](https://appshunter.io/developer/1498249979) |

## What reviewers say

### Instituto Caldeira

[App page](https://appshunter.io/ios/app/instituto-caldeira/id6459479652)

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

**In-app purchases:** none


### Portal Trinity

[App page](https://appshunter.io/ios/app/portal-trinity/id6738664986)

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

**In-app purchases:** none


## Frequently asked questions

### Is Instituto Caldeira free?

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

### Is Portal Trinity free?

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

### Do Instituto Caldeira or Portal Trinity have ads?

Neither Instituto Caldeira nor Portal Trinity shows ads.

### Which is updated more often, Instituto Caldeira or Portal Trinity?

Instituto Caldeira ships an update every 4 months, and Portal Trinity every 8 months. Most recently, Instituto Caldeira was updated on October 8, 2026 and Portal Trinity on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*