# Houaiss.on vs Patrimônio USP

The clearest difference is update cadence: Patrimônio USP at every 2 weeks against Houaiss.on's every 5 months. Houaiss.on's advantage is iOS requirement (12.0 vs 17.0). 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.

Houaiss.on ships an update every 5 months, Patrimônio USP every 2 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Houaiss.on | Patrimônio USP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (8 ratings)](https://appshunter.io/ios/app/houaisson/id1238388805/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 26.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 10 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Instituto Antônio Houaiss de Lexicografia](https://appshunter.io/developer/1238388804) | [Universidade de São Paulo](https://appshunter.io/developer/552358548) |

## What reviewers say

### Houaiss.on

[App page](https://appshunter.io/ios/app/houaisson/id1238388805)

Access the Houaiss dictionaries and automatically correct your texts on iOS devices. This educational tool helps improve writing accuracy and vocabulary.

**Highlights:** Access Houaiss dictionaries, Automatic text correction, Improve writing accuracy, Vocabulary enhancement

**Features:** macOS Compatibility

**In-app purchases:** none


### Patrimônio USP

[App page](https://appshunter.io/ios/app/patrimonio-usp/id6748356025)

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

**In-app purchases:** none


## Frequently asked questions

### Is Houaiss.on free?

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

### Is Patrimônio USP free?

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

### Do Houaiss.on or Patrimônio USP have ads?

Neither Houaiss.on nor Patrimônio USP shows ads.

### Which is updated more often, Houaiss.on or Patrimônio USP?

Houaiss.on ships an update every 5 months, and Patrimônio USP every 2 weeks. Most recently, Houaiss.on was updated on November 2, 2026 and Patrimônio USP on October 30, 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.*