# SignLexicon vs Tiresia

The clearest difference is update cadence: SignLexicon at every 3 months against Tiresia's every 7 months. SignLexicon also leads on iOS requirement (8.0 vs 13). 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.

SignLexicon ships an update every 3 months, Tiresia every 7 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | SignLexicon | Tiresia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signlexicon/id6470272069/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | — |
| Size | 48 MB | 4 MB |
| Requires iOS | **8.0** | 13 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ubisive S.r.l.](https://appshunter.io/developer/1278908168) | [chia lab s.r.l.](https://appshunter.io/developer/648382087) |

## 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


### Tiresia

[App page](https://appshunter.io/ios/app/tiresia/id6739538543)

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

**In-app purchases:** none


## Frequently asked questions

### Is SignLexicon free?

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

### Is Tiresia free?

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

### Do SignLexicon or Tiresia have ads?

Neither SignLexicon nor Tiresia shows ads.

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

SignLexicon ships an update every 3 months, and Tiresia every 7 months. Most recently, SignLexicon was updated on October 7, 2026 and Tiresia on October 7, 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.*