# Professor Ferretto vs LibrasLab

The clearest difference is review sentiment: LibrasLab at 91% against Professor Ferretto's 25%. Professor Ferretto's advantage is in-app purchases (none vs 13) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. LibrasLab sells 13 in-app purchases, starting at $1.99 per month. Professor Ferretto asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Professor Ferretto | LibrasLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (25 ratings)](https://appshunter.io/ios/app/libraslab/id6443427604/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | 25.0% of reviews | **91.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 29 MB | 154 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Ferretto Cursos On Line LTDA](https://appshunter.io/developer/1621502437) | [SignLab AS](https://appshunter.io/developer/1464656258) |

## What reviewers say

### Professor Ferretto

[App page](https://appshunter.io/ios/app/professor-ferretto/id1621502015)

Access a modern study environment with video lessons for ENEM and traditional university entrance exams. Download lessons for offline viewing and enjoy a user-friendly layout designed for efficient learning.

**Highlights:** Offline video lesson access, One-click video download, Modern study environment, User-friendly layout, ENEM and Vestibular preparation

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

**In-app purchases:** none


### LibrasLab

[App page](https://appshunter.io/ios/app/libraslab/id6443427604)

Learn Brazilian Sign Language (Libras) through interactive modules and AI-powered lessons. Progress from basic signs to fluency with grammar and vocabulary. Connect with the deaf community and broaden your communication skills.

**Highlights:** 20 learning modules, AI-powered learning, Sign language fluency, Grammar and vocabulary, Interactive lessons

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Assinatura Premium de 1 mês | $1.99 | per month |
| Assinatura Premium de 1 mês | $1.99 | per month |
| Assinatura Premium de 3 meses | $2.99 | per 3 months |
| Assinatura Premium de 3 meses | $3.99 | per 3 months |
| Assinatura Premium de 3 meses | $4.99 | per 3 months |
| Assinatura Premium de 3 meses | $6.49 | per 3 months |
| Assinatura Premium anual | $9.99 | per year |
| Assinatura Premium semestral | $11.49 | per 6 months |
| Assinatura Premium anual | $12.99 | per year |
| Assinatura Premium anual | $14.99 | per year |
| Assinatura Premium anual | $18.99 | per year |
| Assinatura Premium de 3 meses | $34.00 | per 3 months |
| Assinatura Premium anual | $98.00 | per year |


## Frequently asked questions

### Is Professor Ferretto free?

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

### Is LibrasLab free?

LibrasLab is free to download, with in-app purchases available.

### Do Professor Ferretto or LibrasLab have ads?

LibrasLab shows ads; Professor Ferretto does not.

### Which is updated more often, Professor Ferretto or LibrasLab?

Professor Ferretto ships an update every 2 months, and LibrasLab every 2 months. Most recently, Professor Ferretto was updated on October 24, 2026 and LibrasLab 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.*