# Sématos — Video dictionary ISL

> Video dictionary for International, French, Spanish, and Catalan sign languages. (iPhone/iPad app by Valentin Groues.)

- Source: https://appshunter.io/ios/app/sematos/id1096877895 (this page in markdown: same URL + `.md`)
- Developer: [Valentin Groues](https://appshunter.io/developer/1096877894)
- Category: Reference, Education
- Price: $4.99
- Age rating: 9+
- Requires: iOS 18.6 · 5 MB
- Languages: French (France), American English, Catalan, European Spanish
- Released: 2016-03-31
- Data updated: 2026-08-25
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/sematos/id1096877895/reviews.md

## What is Sématos?

App for Sématos.eu

Sématos is a video dictionary of International, French, Spanish and Catalan sign languages.

This application requires an Internet connection.

The app allows you to:

- browse the dictionary in alphabetical order or by theme
- perform searches
- add signs to your favorites
- change sign language between ISL, LSF, LSE and LSC

A vast number of signs are at your disposal:

- 440+ in ISL
- 3600+ in LSF
- 6000+ in LSE
- 300 in LSC

And more to come...

## Key features

- Video dictionary of sign languages
- Supports ISL, LSF, LSE, LSC
- Browse by alphabet or theme
- Search functionality
- Add signs to favorites
- Switch between sign languages

## Recent user reviews (7 of 7)

All indexed reviews: https://appshunter.io/ios/app/sematos/id1096877895/reviews.md

### 1/5 — Pb de connexion

*2020-04-30*

On telecharge l’appli payante et impossible de s’y connecter, un problème de serveur !

**Developer response:** le problème était momentané. panne du serveur.

### 2/5 — A améliorer

*2017-08-21*

Pour une appli payante, il manque au moins l'usuel. De courtes phrase pour rencontrer ou renseigner. Sinon y a des dico de signes gratuits !!

### 3/5 — Bien

*2016-11-06*

Belle application et demande a été être étoffée encore au niveau du vocabulaire😉

### 5/5 — Aprentissage autonome

*2016-06-28*

Merci pour cette app ! je vais tenter l'apprentissage autonome avec.

### 5/5 — Cc

*2016-06-27*

Bien

### 5/5 — Très complet

*2016-05-16*

Ravis

### 4/5 — Bon

*2016-05-05*

Un bon support qui peut encore être amélioré

## Frequently asked questions about Sématos

### What sign languages does Sématos support?

Sématos supports International Sign Language (ISL) with over 440 signs, French Sign Language (LSF) with over 3600 signs, Spanish Sign Language (LSE) with over 6000 signs, and Catalan Sign Language (LSC) with over 300 signs.

### How much does Sématos cost?

Sématos is a paid application, priced at $4.99.

### Does Sématos work offline?

No, Sématos requires an Internet connection to function.

### What devices is Sématos available on?

Sématos is available on iPhone and iPad devices.

### What is the age rating for Sématos?

Sématos has an age rating of 9+.

### How often is Sématos updated?

The latest version of Sématos was released on May 10, 2026, indicating recent updates are available.

### What are the main ways to navigate Sématos?

You can browse the dictionary in Sématos either in alphabetical order or by theme. You can also perform searches to find specific signs.

### Does Sématos have ads?

No, Sématos does not contain advertisements.

## Version history (last 5 releases)

### 2.4.0 — 2026-05-10

Minor improvements and bug fixes.

### 2.3.0 — 2026-05-04

Minor improvements and bug fixes.

### 2.2.0 — 2026-04-28

Create a Sématos account to sync your favorites across your devices and organize your saved words into custom lists. Sign in with a passkey, Face ID, or Touch ID,  no password to remember. Various improvements and bug fixes.

### 2.1.0 — 2026-04-03

New backend for improved performance and reliability. Updated video player with better aspect ratio on tablets. Various bug fixes and improvements.

### 2 — 2026-03-19

Major update, complete redesign, same features

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*