ASL Dictionary vs iSign Language
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ASL Dictionary
This app provides a comprehensive video dictionary for American Sign Language, featuring over 5,200 signed words, phrases, and idioms. It allows users to translate English into ASL, covering the alphabet, numbers, and common expressions. The educational tool is designed for learning sign language through visual instruction.
- Over 5,200 signed words
- English to ASL translation
- Alphabet and numerical system
- Common English phrases and idioms
- Finger spelled alphabet
- Offline access to all videos
- Dark Mode
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ASL Sign Language Dictionary. Over 5,200 Signed words in ASL. The most complete ASL American Sign Language Video Dictionary. Translate English into ASL, from A-Z, plus the entire numerical system, common English phrases, symbols and much more. A must have educational iPhone, and iPad app. **One time fee, no ad's and nothing else to pay for. FEATURES • Over 5,200 signs from A-Z • 765 Multiple meaning words signed • Multiple word signs such as “don’t want” & “hard of hearing” • 473 Idioms translated • Time • Money • Dates, Months, Years • General numbers • Finger Spelled Alphabet • Symbols • Common Phrases like “You’re too late” • Dark Mode (Found under device Settings, Display and Brightness) New feature: Swipe video screen to load next or previous video Learn Sign Language, by watching our professional Sign Language interpreter and instructor sign over 5,200 individual and multiple word signs. ASL is the first language for people who are deaf. OVER 5,200 SIGNED WORDS **No Internet required. (All 5200 videos are included in the ASL Dictionary) **Note: If you are a hearing person, there is no sound with this application. **Comments, questions or support, please contact us at appsavers@gmail.com ***Guaranteed to work perfectly. If you have an issue please email us for help at appsavers@gmail.com Thank You*** THANK YOU
iSign Language
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This app converts American Sign Language (ASL) into speech. This is done by holding the iPhone and inputing a series of gestures that are broadly similar to standard ASL signs. The app recognises one hundred and twenty two signs; the First 100 Signs from Basic ASL and twenty two additional words, including WH questions and greetings. You can also make simple sentences in English and Japanese. This app is suitable for people who have studied the ASL alphabet.
Screenshots
Verdict
The clearest difference is update cadence: ASL Dictionary at every 5 months against iSign Language's every 38 months. ASL Dictionary also leads on iOS requirement (12.0 vs 15.6). iSign Language's advantage is price ($0.99 vs $4.99). On ads, in-app purchases 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
ASL Dictionary costs $4.99 and iSign Language $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ASL Dictionary ships an update every 5 months, iSign Language every 38 months. The most recent releases landed on September 29, 2026 and August 11, 2026 respectively.
| Parameter | ASL Dictionary | iSign Language |
|---|---|---|
| Price | $4.99 | $0.99 — better |
| Rating | 4.7 (1.3K ratings) — better | — |
| Positive reviews | 82.1% of reviews | — |
| Number of ratings | 1.3K — better | — |
| Update frequency | Every 5 months — better | Every 38 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 154 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Software Studios LLC | Yuichi HARA |
Bugs and requests
ASL Dictionary
Reported bugs
3 issues- Some videos stop playing or don't load properly
- Loop feature not working consistently
- Compatibility issues with newer iOS versions
Requested features
5 requests- Add more common phrases and conversational signs
- Provide written explanations and instructions for signs
- Improve video quality and clarity
- Add bookmarking/favorites feature to save frequently used signs
- Implement a search function to quickly find specific signs
iSign Language
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ASL Dictionary
No in-app purchases
iSign Language
No in-app purchases
Questions
Is ASL Dictionary free?
Is iSign Language free?
Do ASL Dictionary or iSign Language have ads?
Which is updated more often, ASL Dictionary or iSign Language?
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