Spread the Sign ASL Dictionary vs Auslan Dictionary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spread the Sign ASL Dictionary
Access the world's largest sign language dictionary, featuring over 300,000 signs. New content is added annually, expanding the library of languages, words, and signs.
- Largest sign language dictionary
- Over 300,000 signs
- New content added yearly
- Multiple countries and languages
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Find the sign you need and compare how it is expressed around the world. Spread the Sign is the world's largest multilingual sign language dictionary, with more than 600,000 sign videos across 23 sign languages, including ASL and BSL. WHY SPREAD THE SIGN? - Search for words and useful sentence examples - Compare the same word across different sign languages - Slow down videos to follow every movement - Save important signs and watch saved videos offline - Explore hand alphabets and fingerspelling - Discover baby signs for early communication - Switch between 23 sign languages Spread the Sign is a practical reference for sign language learners, families, educators, interpreters, and anyone who needs to look up a sign quickly. Sign languages are not universal. Signs can differ between countries and regions, so comparing languages can help you understand those differences. New words, videos, and sign language coverage are added continuously. Content availability may vary between languages.
Auslan Dictionary
Learn Australian Sign Language with this app. It provides definitions and videos for signs, allowing you to save custom lists and use flashcards for revision. Content is sourced from the Creative Commons Auslan Signbank.
- Searchable sign language dictionary
- Video demonstrations of signs
- Customizable word lists
- Flashcard revision system
- Random and spaced repetition
- Creative Commons Auslan Signbank content
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Enter a search term, select a word, and the app will show you a definition and a video of someone performing the sign. In addition to this basic functionality, the app features support for saving custom lists of words for quick access as well as a flashcard based revision feature with random and spaced repetition learning strategies. All content comes courtesy of the Creative Commons Auslan Signbank.
Screenshots
Verdict
The clearest difference is in-app purchases: Auslan Dictionary at none against Spread the Sign ASL Dictionary's 1. Auslan Dictionary also leads on update cadence (every 6 days vs every 6 weeks) and review sentiment (81% vs 61%). Spread the Sign ASL Dictionary's advantage is ratings volume (143 vs 2) and iOS requirement (13.0 vs 16.0). On price, rating, ads and device support 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. Spread the Sign ASL Dictionary sells 1 one-off in-app purchase. Auslan Dictionary asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Spread the Sign ASL Dictionary against 5.0 for Auslan Dictionary. That said, the two scores are not equally well evidenced: Spread the Sign ASL Dictionary has 143 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 61% of Spread the Sign ASL Dictionary's written reviews are positive against 81% of Auslan Dictionary's.
Spread the Sign ASL Dictionary ships an update every 6 weeks, Auslan Dictionary every 6 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | Spread the Sign ASL Dictionary | Auslan Dictionary |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (143 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 61.2% of reviews | 80.9% of reviews — better |
| Number of ratings | 143 — better | 2 |
| Update frequency | Every 6 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 47 MB | 52 MB |
| Age rating | 9+ | 4+ |
| Developer | Europeiskt Teckenspråkcenter | Daniel Porteous |
Customer experience
Spread the Sign ASL Dictionary
Auslan Dictionary
Bugs and requests
Spread the Sign ASL Dictionary
Reported bugs
15 issues- App freezes a lot
- Videos are blank or not playing
- Search function gives errors
- App crashes after playing a video more than once
- Favorite lists disappear
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- Auslan not available or not working
- App not working after iOS updates
- Error message when searching
- App requires VPN to work in Russia
- Paid version not unlocking content
- Videos not found, error message appears
- App stopped working after payment
- App crashes on launch
- Videos stop and lag, then freeze
- Favorites not opening after download
Requested features
14 requests- Add slower video playback or slow-motion function
- Downloadable dictionary for offline use
- Add Dutch (Nederlands) sign language
- Fix videos not playing
- Restore lost favorite lists
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- Add more everyday gestures
- Add bookmark button for saving words
- Improve UI for easier navigation
- Add ASL (American Sign Language) content
- Add specific themes like medicine
- Make the app more discoverable (dictionary, sign language)
- Add zoom function to videos
- Add sentence building functionality to app
- Match user's primary language with sign language learning
Auslan Dictionary
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Spread the Sign ASL Dictionary
- Pro Version$4.99
Auslan Dictionary
No in-app purchases