SLSL Dictionary vs LyoHUB
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.
LyoHUB
Access the latest news, events, and publications. This app includes a powerful tool to simulate and optimize lyophilization processes, helping users find the most efficient drying parameters for various formulations and conditions.
- Latest news and event updates
- Member information access
- Open-access publications and reports
- Lyophilization process simulation
- Drying performance evaluation
- Optimal cycle parameter computation
- Results export and sharing
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Download the LyoHUB app to stay up to date with our latest news, upcoming events, member information, open-access publications, and reports. The app also contains a powerful lyophilization process optimization tool, known as LyoPRONTO, that allows users to: • Simulate freezing and primary drying performance for arbitrary process conditions and formulations. • Evaluate cycle constraints based on the method of the primary drying design space. • Compute the cycle parameters that lead to the most optimal primary drying process. • Effortlessly export or share results via email, text message, Air Drop, or cloud drives for further analysis.
Screenshots
Verdict
The clearest difference is update cadence: SLSL Dictionary at every 5 days against LyoHUB's every 6 months. On price, rating, ratings volume and ads there is nothing between them.
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 LyoHUB. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
SLSL Dictionary ships an update every 5 days, LyoHUB every 6 months. Both last shipped on November 3, 2026.
| Parameter | SLSL Dictionary | LyoHUB |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 5 days — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 52 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Porteous | Purdue University |
Customer experience
SLSL Dictionary
LyoHUB
In-app purchases
SLSL Dictionary
No in-app purchases
LyoHUB
No in-app purchases
Questions
Is SLSL Dictionary free?
Is LyoHUB free?
Which has better reviews, SLSL Dictionary or LyoHUB?
Do SLSL Dictionary or LyoHUB have ads?
Which is updated more often, SLSL Dictionary or LyoHUB?
Other comparisons
