SLSL Dictionary vs Studynote
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SLSL Dictionary
Learn Sri Lankan Sign Language with a comprehensive video dictionary. Access over 2,300 signs and 475 phrases, with detailed definitions and regional variants. Features include fingerspelling, customizable lists, and flashcards for effective learning.
- Extensive video library of signs and phrases
- Fingerspelling for multiple alphabets
- Multilingual support (English, Sinhala, Tamil)
- Detailed definitions and regional variants
- Adjustable video playback speed
- Customizable sign lists and flashcards
- Offline access to downloaded content
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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.
Studynote
This app provides concise lessons and clear notes in Sinhala for Grade 10, 11, and A/L science students. It breaks down the syllabus into manageable topics, tracks progress, and fosters a community for learning and support.
- Short, clear lessons
- Full syllabus coverage
- Progress tracking
- Daily study habit building
- Student leaderboards
- Q&A community
- Social feed
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O/L and A/L, all in one app and all in Sinhala. Studynote breaks the Grade 10, Grade 11 and A/L syllabus into short, clear lessons you can finish in a few minutes. Pick your grade, choose a subject, follow the lessons step by step, and watch your progress grow every day. NEW: GRADE 10 AND GRADE 11 (O/L) • 12 O/L subjects for each grade: Science, Maths, Sinhala, History, Buddhism, Health & Physical Education, Civic Education, ICT, Business & Accounting Studies, Geography, Islam and Catholicism • Start in Grade 10 and carry on into Grade 11 right up to your O/L exam A/L SCIENCE: PHYSICS, CHEMISTRY AND BIOLOGY • All three A/L science subjects in one place • Built for Biology and Physical Science (Maths) stream students THE FULL SYLLABUS, LESSON BY LESSON • Every unit laid out in order, grade by grade • Each unit is split into smaller topics and short lessons • Switch between grades and subjects with a single tap • Your progress is tracked separately for each subject • A progress bar shows how much of each subject you've covered • "Up next" shows the lesson to take next, so you never lose your place CLEAR NOTES YOU'LL ACTUALLY REMEMBER • Simple explanations written in Sinhala • One idea at a time, with key terms highlighted • Diagrams and charts that make difficult concepts easy to picture • Learn at your own pace, whenever and wherever you study BUILD A DAILY STUDY HABIT • Earn XP for every lesson you complete • Study every day to keep your streak alive • Track your current and longest streak on your profile • Level up as your XP grows COMPETE WITH STUDENTS ACROSS SRI LANKA • Weekly, All Time and Streak leaderboards • See the top students and their districts • Climb the ranks and stay motivated all the way to the exam ASK QUESTIONS, GET ANSWERS • Stuck on something? Post your question in the Discussion section • Tag questions by topic so the right people find them • Get answers from other students and upvote the most helpful ones • Accepted answers are clearly marked, so you know what's correct • Bookmark questions to come back to later • Help your friends by answering their questions too SHARE AND CONNECT • Share posts with the Studynote community in the Feed • Browse Latest, Top and Following posts • Follow friends and classmates and see what they're sharing YOUR STUDENT PROFILE • Show your school and grade (and your A/L year and stream) • Display your level, XP, followers and streak • Get notified when someone answers your question or follows you WHO IS STUDYNOTE FOR? • Grade 10 and Grade 11 students preparing for the O/L exam • A/L students in the Biology or Physical Science (Maths) stream • Students who want a clear path through the syllabus from day one • Students revising before the exam who need quick, focused lessons • Anyone who finds it easier to learn in Sinhala Short lessons. Clear notes. A community that has your back. Download Studynote and start your first lesson today.
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Verdict
SLSL Dictionary and Studynote are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for SLSL Dictionary against 5.0 for Studynote. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.
| Parameter | SLSL Dictionary | Studynote |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 5 days | Every 5 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 52 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Porteous | Liyana Pathirana Rajika Chathuranga Jayasinghe |
Customer experience
SLSL Dictionary
Studynote
In-app purchases
SLSL Dictionary
No in-app purchases
Studynote
No in-app purchases
Questions
Is SLSL Dictionary free?
Is Studynote free?
Which has better reviews, SLSL Dictionary or Studynote?
Do SLSL Dictionary or Studynote have ads?
Which is updated more often, SLSL Dictionary or Studynote?
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