# TWA Dictionary vs SignLexicon

The clearest difference is rating: SignLexicon at 5.0 against TWA Dictionary's 4.3. SignLexicon also leads on in-app purchases (none vs 5) and iOS requirement (8.0 vs 15.1). TWA Dictionary's advantage is ratings volume (31 vs 1) and update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. TWA Dictionary sells 5 in-app purchases, starting at $4.99 per month. SignLexicon asks for nothing beyond the download.

SignLexicon holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: TWA Dictionary has 31 ratings behind it against 1, so its average is the more settled of the two.

TWA Dictionary ships an update every 3 weeks, SignLexicon every 3 months. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | TWA Dictionary | SignLexicon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (31 ratings)](https://appshunter.io/ios/app/twa-dictionary/id6465301116/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signlexicon/id6470272069/reviews)** |
| Number of ratings | **31** | 1 |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 41 MB | 48 MB |
| Requires iOS | 15.1 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [TWA Innovations LLC](https://appshunter.io/developer/1706524789) | [Ubisive S.r.l.](https://appshunter.io/developer/1278908168) |

## What reviewers say

### TWA Dictionary

[App page](https://appshunter.io/ios/app/twa-dictionary/id6465301116)

Master American Sign Language with a comprehensive dictionary featuring over 25,000 signs, variations, and cultural insights. Created by a Deaf team, it offers thematic organization, user-driven content requests, and regular updates for an enhanced learning experience.

**Highlights:** Over 25,000 ASL signs, Sign variations and cultural insights, Thematic organization, User-requested content, Continuous updates, Educational blog on Deaf Culture

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $49.99 | per year |
| Gift Code Month | $4.99 | one-time |
| Gift Code 6 Months | $29.99 | one-time |
| Gift Code 1 Year | $49.99 | one-time |


### 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


## Frequently asked questions

### Is TWA Dictionary free?

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

### Is SignLexicon free?

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

### Which has better reviews, TWA Dictionary or SignLexicon?

SignLexicon is rated higher. TWA Dictionary averages 4.3 out of 5 from 31 ratings, while SignLexicon averages 5.0 from 1 ratings.

### Do TWA Dictionary or SignLexicon have ads?

Neither TWA Dictionary nor SignLexicon shows ads.

### Which is updated more often, TWA Dictionary or SignLexicon?

TWA Dictionary ships an update every 3 weeks, and SignLexicon every 3 months. Most recently, TWA Dictionary was updated on September 21, 2026 and SignLexicon on June 1, 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.*