# SignLexicon vs SignChat

The clearest difference is in-app purchases: SignLexicon at none against SignChat's 1. SignLexicon also leads on ads (none vs shown) and iOS requirement (8.0 vs 18.2). SignChat's advantage is update cadence (weekly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. SignChat sells 1 in-app purchase, starting at $139.99 per year. SignLexicon asks for nothing beyond the download.

SignLexicon ships an update every 3 months, SignChat weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SignLexicon | SignChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signlexicon/id6470272069/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 79 MB |
| Requires iOS | **8.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Ubisive S.r.l.](https://appshunter.io/developer/1278908168) | [James Barba](https://appshunter.io/developer/1829303526) |

## What reviewers say

### SignLexicon

[App page](https://appshunter.io/ios/app/signlexicon/id6470272069)

This app offers a comparative dictionary between Italian Sign Language (LIS) and American Sign Language (ASL). It features side-by-side video comparisons of signs and alphabetic search in Italian or English, serving as a valuable educational tool for language learners.

**Highlights:** LIS and ASL sign comparison, Side-by-side video playback, Alphabetic search (Italian/English), Extensive sign entry database, Educational teaching aid

**In-app purchases:** none


### SignChat

[App page](https://appshunter.io/ios/app/signchat/id6749210385)

Learn sign language through interactive lessons and visual aids. This app offers a fun and accessible way for children and families to acquire new communication skills. Unlock advanced features and track progress with a premium subscription.

**Highlights:** Step-by-step lessons, Visual flashcards, Multilingual support, Progress tracking, Emotion analysis, Exclusive content

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Premium | $139.99 | per year |


## Frequently asked questions

### Is SignLexicon free?

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

### Is SignChat free?

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

### Do SignLexicon or SignChat have ads?

SignChat shows ads; SignLexicon does not.

### Which is updated more often, SignLexicon or SignChat?

SignLexicon ships an update every 3 months, and SignChat weekly. Most recently, SignLexicon was updated on November 3, 2026 and SignChat 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.*