Sign BSL vs Sign ASL

Sign BSL7.6Visit Sign ASL7.5Visit

Higher score Sign BSL #7 in Sign Language Apps 7.6/10 Free plan Free plan✓ 2 of 3 features Visit Sign BSL

vs

Sign ASL #8 in Sign Language Apps 7.5/10 Free plan Free plan✓ 2 of 3 features Visit Sign ASL

• Sign BSL fits best

  Free BSL dictionary users needing offline access

• Sign ASL fits best

  Free ASL dictionary users needing offline favorites

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	Sign BSL 7.6/10 Visit ↗	Sign ASL 7.5/10 Visit ↗
At a glance
Editor score	7.6	7.5
Ranking	#7 in Sign Language Apps	#8 in Sign Language Apps
Best for	Free BSL dictionary users needing offline access	Free ASL dictionary users needing offline favorites
Pricing model	Free	Free
Starting price	Free	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Mobile	Cloud, Mobile
Platforms	Web, iOS, Android	Web, iOS, Android
Support	Email	Email
Built for	Solo	Solo, Small business
Features Sign BSL 2/3 · Sign ASL 2/3
Offline access	✓	✓
Dictionary lookup	✓	✓
Progress tracking	Not checked yet	Not checked yet
Specs
Signed languages	British Sign Language (BSL)	American Sign Language (ASL)
Lesson format	Video	Video
Supported platforms	web, iOS, Android	web, iOS, Android
Our review
Pros	Free access to more than 21,000 BSL video signs Search phrases, compare variations and browse by learning level Save favourite signs for offline viewing on supported mobile apps	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
Cons	No published structured learning path or progress tracking Offline access focuses on saved favourites rather than the full dictionary Designed for British Sign Language rather than multiple signed languages	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	Sign BSL is a British Sign Language video dictionary for learners, teachers and the Deaf community. It supports word and phrase searches, video sign playback, variation comparisons and alphabetical browsing. Users can also browse… Read the review →	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… Read the review →

Strengths and trade-offs

• Sign BSL — where it wins

  • Free access to more than 21,000 BSL video signs
  • Search phrases, compare variations and browse by learning level
  • Save favourite signs for offline viewing on supported mobile apps

  Where it doesn't

  • No published structured learning path or progress tracking
  • Offline access focuses on saved favourites rather than the full dictionary
  • Designed for British Sign Language rather than multiple signed languages

• Sign ASL — 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

• Sign BSL7.6/10 · Free plan

  A free BSL dictionary with video lookup, variations, vocabulary levels and saved offline signs.

  Visit Sign BSLFull verdict →
• Sign ASL7.5/10 · Free plan

  A free ASL reference tool with video lookup, variations, categories, and iOS favorites offline.

  Visit Sign ASLFull verdict →