ASL Dictionary Sign Language vs Semivowels
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ASL Dictionary Sign Language
Learn and master American Sign Language with an extensive interactive dictionary featuring over 5000 ASL videos. Practice your skills with quizzes, create custom study lists, and utilize features like slow-motion playback and fingerspelling exercises. This comprehensive tool requires no internet connection.
- 5000+ ASL video translations
- Fingerspell recognition and exercises
- Interactive quizzes
- Favorites list
- Slow-motion video playback
- Offline access
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From A-Z The most complete interactive ASL Sign Language Dictionary app for iPhone and iPad. Quiz, Favorites, plus many more advanced features. **One time fee. Nothing else to buy and no ad's. **No internet required. LANGUAGE FEATURES • 5000+ Words Translated to ASL Video • 460 Multiple ways to sign the same word • 670 Multiple meaning words • Time • Money • Dates • General numbers 1-100 and 100's and more • Ordinal numbers • Alphabet • Fingerspell Recognition (Complete words) • Fingerspelling Exercises (Fun) APP FEATURES • Quiz any category • Quiz Multiple Choice • History of watched videos (and clear history, or turn off history option, swipe words to delete individual words) • Create a favorites list & Quiz it • Slow motion adjustable from 1-100% • Play All (plays videos back to back) • Swipe screen for next and previous video • Loop video, and loop all as default including in quiz • Replay Video • Search • Categories NOTE: **If you are a hearing person there is no audio in this app as you would not normally vocalize when signing ASL. ** DOWNLOAD May take a few minutes to start. Please download the app over a good WIFI internet connection, and make sure you have enough available memory on your device. **GUARANTEED TO WORK! If you are experiencing a problem with the app please email us at appsavers@gmail.com Thanks for your support!
Semivowels
This app offers dynamic animations and interactive anatomy views to illustrate the production of American English consonants. It includes detailed explanations of tongue placement and jaw movements, with synchronized audio and a drawing whiteboard for annotation. Designed for professionals and educators, it aids in understanding speech articulation.
- Dynamic consonant animations
- Interactive anatomy identification
- Tongue shape and placement views
- Synchronized audio examples
- Drawing whiteboard feature
- Screenshot functionality
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Semivowels app, authored by Fred D. Minifie, Ph.D, provides valuable instructional/clinical tools for speech-language pathologists, otolaryngologists, speech scientists, linguists, teachers of singing and other professionals. The app includes three nasal, four non-nasal (with three /r/ variants) consonant dynamic animations with sound plus a key view for each of the tongue shape and placement for the structural movements involved in the production of the consonants of American English. • Anatomy ID: as each part is touched, the part highlights and the part name and description text changes. Description text shows or hides on demand . ◊ Anatomy view - 26 parts, includes nose, mouth and throat structure ID. Zoom and pans. • Highlight View: key view of the tongue shape and placement for three nasal, four non-nasal (with three /r/ variants) consonants of American English. ◊ Nasal: /m/, /n/, /ŋ/ Non-nasal: /w/, /j/, /l/, /r/ (three variants on /r/) ◊ Includes a 3 /r/ variant overlay illustration comparing the alveolar, retroflex and velar place of articulation. ◊ Includes a word and sentence audio example to illustrate consonant articulation for /m/, /n/, /ŋ/, /w/, /j/, /l/ • Animations: each consonant shows a lateral view of dynamic movements of the jaw, lips, tongue, velum (soft palate), and larynx needed for proper articulation of that consonant. Audio for each consonant sound is synchronized with the dynamic animations. Anatomy animation included. • Two finger pan of all animations and key view pages. • Drawing Whiteboard feature: ◊ Drawing: freeform lines in red, blue, green or black hue. ◊ Draw and place text directly on active animation and video. ◊ Text: 36pt, auto wrap, non-movable in red, blue, green or black hue. ◊ Eraser: touch and rub lines and text on whiteboard to erase. ◊ Trash: one tap deletes all whiteboard lines and text. ◊ Screenshot whiteboard direct to Photos App for easy email and printing. • iOS 6.0+ required, designed for iPad and iPhone. Semivowels app makes learning consonants easy. See example screen shots below. Get the app today!
Screenshots
Verdict
The clearest difference is review sentiment: ASL Dictionary Sign Language at 85% against Semivowels's 0%. ASL Dictionary Sign Language also leads on rating (4.7 vs 2.5) and update cadence (every 4 months vs every 37 months). Semivowels's advantage is price ($4.99 vs $7.99) and iOS requirement (12.0 vs 17.6). On ads, in-app purchases, monetization model 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 Sign Language costs $7.99 and Semivowels $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ASL Dictionary Sign Language holds the better App Store score, 4.7 against 2.5. That said, the two scores are not equally well evidenced: ASL Dictionary Sign Language has 2K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 85% of ASL Dictionary Sign Language's written reviews are positive against 0% of Semivowels's.
ASL Dictionary Sign Language ships an update every 4 months, Semivowels every 37 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.
| Parameter | ASL Dictionary Sign Language | Semivowels |
|---|---|---|
| Price | $7.99 | $4.99 — better |
| Rating | 4.7 (2K ratings) — better | 2.5 (2 ratings) |
| Positive reviews | 85.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 2K — better | 2 |
| Update frequency | Every 4 months — better | Every 37 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #34 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 529 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Software Studios LLC | Blue Tree Publishing, Inc. |
Customer experience
ASL Dictionary Sign Language
Semivowels
Bugs and requests
ASL Dictionary Sign Language
Reported bugs
2 issues- Freezing/crashing issues reported by some users
- Inconsistencies in how certain signs are demonstrated
Requested features
5 requests- Add more words and phrases to the dictionary
- Provide options to obscure mouthing during quizzes
- Implement audio/voice playback for signs
- Allow users to create custom word lists and quizzes
- Improve organization of words into categories
Semivowels
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ASL Dictionary Sign Language
No in-app purchases
Semivowels
No in-app purchases
Questions
Is ASL Dictionary Sign Language free?
Is Semivowels free?
Which has better reviews, ASL Dictionary Sign Language or Semivowels?
Do ASL Dictionary Sign Language or Semivowels have ads?
Which is updated more often, ASL Dictionary Sign Language or Semivowels?
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