# Houaiss.on vs FACDO MOBILE PROFESSOR

Houaiss.on and FACDO MOBILE PROFESSOR are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, FACDO MOBILE PROFESSOR every 6 months. The most recent releases landed on July 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Houaiss.on | FACDO MOBILE PROFESSOR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (6 ratings)](https://appshunter.io/ios/app/houaisson/id1238388805/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 26.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Free | — |
| Size | 8 MB | 82 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Instituto Antônio Houaiss de Lexicografia](https://appshunter.io/developer/1238388804) | [Eduardo Seccatto Caliman](https://appshunter.io/developer/1438456684) |

## 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


### FACDO MOBILE PROFESSOR

[App page](https://appshunter.io/ios/app/facdo-mobile-professor/id1438456685)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Houaiss.on free?

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

### Is FACDO MOBILE PROFESSOR free?

FACDO MOBILE PROFESSOR is free to download, with no in-app purchases.

### Do Houaiss.on or FACDO MOBILE PROFESSOR have ads?

Neither Houaiss.on nor FACDO MOBILE PROFESSOR shows ads.

### Which is updated more often, Houaiss.on or FACDO MOBILE PROFESSOR?

Houaiss.on ships an update every 5 months, and FACDO MOBILE PROFESSOR every 6 months. Most recently, Houaiss.on was updated on July 18, 2026 and FACDO MOBILE PROFESSOR on September 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.*