Spread the Sign ASL Dictionary vs DILSE
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.
DILSE
A bilingual sign language dictionary offering over 5,500 Spanish Sign Language (LSE) signs with photos and videos. Developed with deaf professionals and linguistic experts, it's a valuable tool for learning and improving LSE knowledge.
- Bilingual LSE-Spanish dictionary
- Over 5,500 signs
- Photos and videos for each sign
- Favorite signs selection
- Recently consulted signs access
- Share signs and app
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El Diccionario de la Lengua de Signos Española (DILSE) es una herramienta bilingüe (LSE - Castellano) que recoge más de 10.000 signos. Está diseñado tanto para personas que quieren acercarse por primera vez a la lengua de signos española como para aquellas que desean mejorar su conocimiento sobre ella. A través de la aplicación DILSE podrás: • Buscar términos de forma rápida e intuitiva. • Visualizar cada signo mediante fotografías y vídeos de alta calidad. • Explorar el vocabulario a través de categorías temáticas. • Consultar los parámetros formativos de cada signo (configuración, lugar de articulación, movimiento, etc.) para entender su ejecución exacta. • Descargar y compartir tanto las fotos como los vídeos de los signos. • Guardar tus signos favoritos para un acceso rápido. DILSE es una app viva y en constante actualización, pensada para facilitar el aprendizaje y la difusión de la Lengua de Signos Española.
Screenshots
Verdict
Spread the Sign ASL Dictionary and DILSE both sit at 4.9 stars, but that hides the real split: 61% of Spread the Sign ASL Dictionary's written reviews are positive against 20% of DILSE's. Spread the Sign ASL Dictionary also leads on update cadence (every 6 weeks vs every 7 months) and ratings volume (135 vs 4). DILSE's advantage is in-app purchases (none vs 1). 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. DILSE 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 DILSE. That said, the two scores are not equally well evidenced: Spread the Sign ASL Dictionary has 135 ratings behind it against 4, 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 20% of DILSE's.
Spread the Sign ASL Dictionary ships an update every 6 weeks, DILSE every 7 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Spread the Sign ASL Dictionary | DILSE |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (135 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 61.2% of reviews — better | 19.6% of reviews |
| Number of ratings | 135 — better | 4 |
| Update frequency | Every 6 weeks — better | Every 7 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 47 MB | 35 MB |
| Age rating | 9+ | 4+ |
| Developer | Europeiskt Teckenspråkcenter | Fundaci�n CNSE para la supresi�n de las barreras de comunicaci�n |
Customer experience
Spread the Sign ASL Dictionary
DILSE
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
DILSE
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Spread the Sign ASL Dictionary
- Pro Version$4.99
DILSE
No in-app purchases
