TWA Dictionary vs SignLexicon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TWA Dictionary
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.
- Over 25,000 ASL signs
- Sign variations and cultural insights
- Thematic organization
- User-requested content
- Continuous updates
- Educational blog on Deaf Culture
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Looking for a great ASL resource? Our ASL Dictionary, created by a 100% Deaf team, includes over 25,000 signs along with sign variations, Deaf signers from diverse backgrounds, and an array of features to enhance your learning experience! What’s the Sign? ASL Dictionary is your ultimate resource for mastering American Sign Language, designed and brought to you by the Deaf community. Key Features: Extensive Library: Access a comprehensive collection of over 25,000 signs, including regional variations and cultural insights. Thematic Organization: Easily navigate through themed categories tailored to your interests. Tagged for Every Occasion: Quickly find the signs you need, whether for a job interview or a specific topic. Continuous Updates: Regular updates ensure fresh and relevant content. Educational Blog: Explore Deaf Culture with insightful posts on community topics. User-Driven Content: Can’t find a sign? Request new signs or sentence examples, and help expand the dictionary. Easy Navigation: An intuitive interface makes your learning journey smooth and enjoyable. Subscription Details: What’s the Sign? ASL Dictionary offers flexible subscription plans, including monthly and annual options. Start your learning journey with a three-day free trial. Subscriptions automatically renew unless canceled, and you can manage them through your account settings. Discover the richness of American Sign Language with What’s the Sign? ASL Dictionary – where learning becomes a personalized, ongoing experience. Privacy Policy: https://twadictionary.com/privacy/ Terms of Use: https://twadictionary.com/terms/ Also available in the app.
SignLexicon
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.
- LIS and ASL sign comparison
- Side-by-side video playback
- Alphabetic search (Italian/English)
- Extensive sign entry database
- Educational teaching aid
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SignLexicon is a comparative dictionary between Italian Sign Language (LIS) and American Sign Language (ASL). It has been developed as a teaching aid within the LILS project to experiment Italy's first bachelor's degree for Sign Language International Mediators. The project has been co-funded by the Italian Ministry for Universities and it is led by a partnership of the University of Parma (project leader), OSSMED Ets (coordinator) and SSML San Domenico University College in Fermo (executor). SignLexicon 1.0 includes around 3,200 entries: 800 LIS signs and their written Italian equivalent, and 800 ASL signs with their written English equivalent. This freeware is available on the main operating systems for smartphones and tablets. The users can either watch one sign language video at a time or both simultaneously by using both windows side by side. This will help them immediately notice the differences between LIS and ASL. They can also choose to use an alphabetic search in Italian or English. SignLexicon 1.0 will be followed by an updated and expanded version in the near future.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | TWA Dictionary | SignLexicon |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (31 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 76.9% of reviews | — |
| Number of ratings | 31 — better | 1 |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 8.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 48 MB |
| Age rating | 12+ | 4+ |
| Developer | TWA Innovations LLC | Ubisive S.r.l. |
Customer experience
TWA Dictionary
SignLexicon
In-app purchases
TWA Dictionary
- Pro Monthly3 Days trial$4.991 Month
- Pro Yearly3 Days trial$49.991 Year
- Gift Code Month$4.99
- Gift Code 6 Months$29.99
- Gift Code 1 Year$49.99
SignLexicon
No in-app purchases
Questions
Is TWA Dictionary free?
Is SignLexicon free?
Which has better reviews, TWA Dictionary or SignLexicon?
Do TWA Dictionary or SignLexicon have ads?
Which is updated more often, TWA Dictionary or SignLexicon?
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