Head-to-head · Sign Language Apps
British Sign vs ASLdeafined
British Sign leads on 1 check, ASLdeafined on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreBritish Sign · 7.7/10
- Free planonly British Sign
British Sign scores higher on our rubric for sign language apps: 7.7 against 7.2 out of 10; our editors rank them #6 and #11.
British Sign offers free plan; ASLdeafined doesn't. On lesson format, British Sign gives you Mixed where ASLdeafined offers Video.
British Sign is the better fit for low-cost, self-paced BSL learners. ASLdeafined is the better fit for schools needing deep ASL curriculum tools.
- British Sign fits best
Low-cost, self-paced BSL learners
- ASLdeafined fits best
Schools needing deep ASL curriculum tools
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Side by side
| Feature | British Sign 7.7/10 Visit ↗ | ASLdeafined 7.2/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.7 | 7.2 |
| Ranking | #6 in Sign Language Apps | #11 in Sign Language Apps |
| Best for | Low-cost, self-paced BSL learners | Schools needing deep ASL curriculum tools |
| Pricing model | Free plan + paid | Paid |
| Starting price | £5 one-time | $12/user/yr |
| Free plan | ✓ (best) | — |
| Free trial | — | — |
| Deployment | Cloud | Cloud, Mobile |
| Platforms | Web | Web, iOS, Android |
| Support | Email, Live chat, Docs | |
| Built for | Solo, Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features British Sign 2/3 · ASLdeafined 2/3 | ||
| Offline access | Not checked yet | Not checked yet |
| Dictionary lookup | ✓ | ✓ |
| Progress tracking | ✓ | ✓ |
| Specs | ||
| Signed languages | British Sign Language (BSL) | American Sign Language (ASL) |
| Lesson format | Mixed | Video |
| Supported platforms | web | web, iOS, Android |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | British Sign is an online introductory British Sign Language learning service for beginners, individual learners, schools, community groups and organisations enrolling multiple learners. Its ten-section self-study course combines video… Read the review → |
ASLdeafined is an online American Sign Language learning platform for individual learners, parents of Deaf children, Deaf and hard-of-hearing students, educators, schools, and districts. Its curriculum combines themed video lessons with… Read the review → |
Strengths and trade-offs
British Sign — where it wins
- One-time pricing starts at £5 with Pay What You Can options
- Ten-section course includes videos, assessments and retakes
- Dictionary, fingerspelling tools and printable resources support practice
Where it doesn't
- Course access lasts two years from first login
- Available through web browsers rather than a dedicated app
- Focuses on British Sign Language rather than multiple signed languages
ASLdeafined — where it wins
- 18,000+ searchable ASL video dictionary words
- Structured lessons, grammar, quizzes, and progress tracking
- Canvas, Schoology, and ClassLink integrations
Where it doesn't
- No free plan
- Educational pricing is billed annually per student
- Focused on American Sign Language rather than multiple signed languages
- British Sign7.7/10 · Free plan
A low-cost, self-paced BSL course with useful practice and progress tools.
Visit British SignFull verdict → - ASLdeafined7.2/10 · Paid
A deep ASL curriculum platform for schools, with structured lessons and progress tools.
Visit ASLdeafinedFull verdict →
British Sign vs ASLdeafined: questions
Which is better for sign language apps, British Sign or ASLdeafined?
British Sign scores higher on our rubric for sign language apps: 7.7 against 7.2 out of 10; our editors rank them #6 and #11.
How do British Sign and ASLdeafined compare?
Of the 3 checks we put side by side, British Sign leads on 1, ASLdeafined on none, and 2 are level. Free plan only on British Sign.
Do British Sign and ASLdeafined have a free plan?
British Sign: Yes. ASLdeafined: No.
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All sign language apps comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026
Last updated · How we research and update