ASL American Sign Language vs SLSL Dictionary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ASL American Sign Language
Learn American Sign Language (ASL) with this app. It offers a comprehensive learning experience covering history, alphabets, numbers, common phrases, and basic signs with videos. Engage with interactive games to reinforce your learning.
- ASL History
- Learn Alphabets A-Z
- Learn Numbers 1-100
- Common Phrases and Vocabulary
- 100 Basic Signs with Video
- Picture Matching Games
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Knowing American sign language (ASL) will enable you to meet and interact with a whole new group of people. It is our goal to deliver a convenient, enjoyable, learning experience that goes beyond the basics. FEATURES 1 It is Free. 2 Not mixing with your privacy, no extra permissions. 1 American Sign Language (ASL) History 2 Learn Alphabets A-Z 3 Learn Numbers 1-100 4 Commonly used phrases in conversations and vocabulary. 5 100 Basic Signs with Video: Family signs, Place signs, time signs and many more. 6 Play ASL(Words) Picture Matching game. 7 Play ASL( Numbers) Picture Matching game. 8 Facts and Figures about American sign language (ASL) 9 Feedback Note. New updates are coming soon (ASL JokesWallpapers,Quizzes, Games). You can send us your suggestions through feedback.
SLSL Dictionary
Learn sign language with definitions and videos for each sign. Save custom word lists and use flashcards with spaced repetition for effective revision. Supports English, Sinhala, and Tamil.
- Video demonstrations for signs
- Custom word list saving
- Flashcard revision feature
- Spaced repetition learning
- Support for English, Sinhala, and Tamil
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SLSL Dictionary is a free video dictionary of Sri Lankan Sign Language (SLSL), the sign language of the Deaf community in Sri Lanka. Search for a word, open it, and watch a video of the sign. • More than 2,300 signs and 475 everyday phrases, with over 4,400 videos • Fingerspelling for the English, Sinhala and Tamil alphabets • Every entry has its English, Sinhala and Tamil words, and the app itself is available in all three languages • Definitions, notes and related signs, plus regional variants such as the signs used in the North East • Slow a video down to follow the handshape and movement • A new sign of the day • Save signs to your own lists, and share a list with classmates or students • Revise with flashcards, sign to word or word to sign, using random or spaced-repetition review • Light and dark themes • Also on the web at app.srilankansignlanguage.org For Deaf and hard of hearing people, their families and friends, teachers, interpreters, and anyone learning Sri Lankan Sign Language. Free, with no ads, no subscriptions and no in-app purchases. Searching and browsing work offline once the dictionary has downloaded; videos stream, and the ones you have watched recently are kept on your device. The sign videos, images and definitions are provided by Nishani Shamila McCluskey and team, and are licensed under Creative Commons BY-NC-ND 4.0. New and updated entries reach the app automatically.
Screenshots
Verdict
The clearest difference is rating: SLSL Dictionary at 5.0 against ASL American Sign Language's 4.5. SLSL Dictionary also leads on in-app purchases (none vs 2) and ads (none vs shown). ASL American Sign Language's advantage is ratings volume (3K vs 2). On price, device support and iOS requirement 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. ASL American Sign Language sells 2 one-off in-app purchases. SLSL Dictionary asks for nothing beyond the download.
SLSL Dictionary holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: ASL American Sign Language has 3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 89% of ASL American Sign Language's written reviews are positive against 100% of SLSL Dictionary's.
ASL American Sign Language ships an update every 4 months, SLSL Dictionary every 5 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | ASL American Sign Language | SLSL Dictionary |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (3K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 89.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 3K — better | 2 |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 18 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Saeed Bashir | Daniel Porteous |
Customer experience
ASL American Sign Language
SLSL Dictionary
Bugs and requests
ASL American Sign Language
Reported bugs
2 issues- Inconsistent video quality and cutoffs
- Incorrect sign translations
Requested features
4 requests- More advanced lessons and vocabulary
- Ability to slow down or repeat videos
- Offline mode for practicing
- Sentence/phrase building exercises
SLSL Dictionary
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ASL American Sign Language
- ASL Pro$1.99
- Asl Pro Updated$2.99
SLSL Dictionary
No in-app purchases
Questions
Is ASL American Sign Language free?
Is SLSL Dictionary free?
Which has better reviews, ASL American Sign Language or SLSL Dictionary?
Do ASL American Sign Language or SLSL Dictionary have ads?
Which is updated more often, ASL American Sign Language or SLSL Dictionary?
Other comparisons
