SLSL Dictionary
Daniel Porteous Education iPhoneiPadiPod touch
SLSL Dictionary is a free Education app for iPhone and iPad by Daniel Porteous. Rated 5.0/5 from 2 ratings. Requires iOS 16.0. Updated October 23, 2026.
- Rating
- 5.0
- 2 ratings
- Price
- Free
- on the App Store
- Size
- 52 MB
- Age 4+
- Updated
- Oct 23
- 2026 · v2.1.25
Screenshots
About SLSL Dictionary
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.
What’s new
Version 2.1.25 · Updated October 23, 2026
Assorted improvements and bug fixes.
App privacy
The developer, Daniel Porteous, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Name
- Identifiers: User ID
Used for: App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Diagnostics: Other Diagnostic Data
Used for: Analytics
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| SLSL Dictionary | 5.0 / 5 (2 ratings) | Free | October 23, 2026 | |
| SASL DEAFinition | 5.0 / 5 (2) | Free | Sep 4, 2025 | Compare |
| International Sign Language | 5.0 / 5 (2) | Free | Feb 12, 2025 | Compare |
| Bright BSL - Sign Language | 5.0 / 5 (75) | Free | Sep 27, 2026 | Compare |
| App LSQ | 5.0 / 5 (1) | Free | Mar 24, 2024 | Compare |
| TWA Dictionary | 4.3 / 5 (33) | Free | Oct 13, 2026 | Compare |
| ASL American Sign Language | 4.5 / 5 (3,048) | Free | Jun 1, 2026 | Compare |
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