Sign ASL
Sign ASL: A free ASL reference tool with video lookup, variations, categories, and iOS favorites offline. Ranked #8 of 34 in Sign Language Apps by our editors (7.5/10); pricing: Free plan; best for free ASL dictionary users needing offline favorites.
At a glance
- Editor score7.5 / 10
- PricingFree plan
- Best forFree ASL dictionary users needing offline favorites
- Free planYes
- Paid fromFree
- Signed languagesAmerican Sign Language (ASL)
- Facts checked20 Sep 2026
Where it wins
- Free access across web, iOS, and Android
- Search, compare, and watch ASL signs with playback controls
- Save favorite signs for offline viewing in the iOS app
Where it doesn't
- Focused on dictionary lookup rather than structured lessons
- Exercises and progress tracking are not part of the product
- Offline access applies to iOS favorites, not the full dictionary
Our verdict on Sign ASL
Sign ASL is a free American Sign Language video dictionary for learners, teachers, and the Deaf community. It supports searches for words and phrases, sign comparisons, video reference, alphabetical browsing, and category browsing across the web, iOS, and Android. The website describes a dictionary with more than 40,000 video signs and unlimited free access, making it suited to people who want a reference library rather than a paid course. Its focus is ASL, with video as the lesson format and dictionary lookup as the central use case.
The product’s main strength is the range of lookup tools available without a paid tier. Users can search words and phrases, compare sign variations, browse alphabetically or by category, and adjust video playback speed. Those controls support quick reference and closer comparison when a single word has multiple signs. The free Android and iOS apps extend the same core functions beyond the website, while the iOS app adds offline viewing for favorite signs. That combination fits learners and teachers who need recurring access to selected references, as well as members of the Deaf community looking up signs.
Sign ASL is less suitable for buyers seeking a structured learning path. The published description presents it as a dictionary rather than a course platform, and its stated feature set does not include lessons, exercises, or progress tracking. Offline access is also narrower than a full offline dictionary: the iOS app supports favorite signs offline, while the broader service centers on online video lookup. Choose Sign ASL for free, cross-platform ASL reference with variations and playback controls. Choose another tool if guided instruction, practice activities, or tracked learning progress matters more than searchable video references.
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Sign ASL pricing
Sign ASL fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Signed languages | American Sign Language (ASL) |
| Lesson format | Video |
| Offline access | Yes |
| Dictionary lookup | Yes |
| Progress tracking | Not verified |
| Supported platforms | web, iOS, Android |
| Deployment | Cloud, Mobile |
| Platforms | Web, iOS, Android |
| Support | |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | signasl.org |
| Facts checked | 20 Sep 2026 |
Alternatives to Sign ASL
- BSL SignBankA rich, free BSL reference with video search, regional detail and quizzes.9.2
- HandSpeakA broad ASL reference library with free access and optional Patron features.8.8
- SpreadTheSignA free-to-start video dictionary for comparing 23 sign languages.8.6
See all Sign ASL alternatives →
Sign ASL vs the competition
- Sign ASL vs BSL SignBank
- Sign ASL vs HandSpeak
- Sign ASL vs SpreadTheSign
- Sign ASL vs SignSchool
- Sign ASL vs Play With ASL
- Sign ASL vs British Sign
Compare Sign ASL with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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