ASL vs TeachMeSign
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ASL
This educational app provides a comprehensive dictionary for American Sign Language (ASL) and Langue des Signes de France (LSF). Users can search for signs alphabetically or by term, view videos of both ASL and LSF, and access definitions with example sentences. Offline mode allows for downloaded content.
- ASL and LSF sign videos
- Alphabetical and term search
- Example sentences
- Offline mode
- Multiple search languages
Read full descriptionHide full description
Thank you for choosing the LSF-ASL dictionary app developed at the University of Rochester, NY USA. · Choose your search language by clicking on one of the flags. · Click on a letter to see a listing of entries alphabetically. · Use the search box to search for a specific term. You will see videos of both the LSF and ASL sign for the entry you choose. New for Version 1.1: Sentence Display - Tap the "sentence" icon to toggle between supported definitions and their usage in an example sentence. Offline Mode - Definitions can now be downloaded and stored locally for online use by tapping the "download" icon.
TeachMeSign
Read full descriptionHide full description
Learn American Sign Language (ASL) with AI-Powered Video Guidance! Discover the most innovative way to learn ASL through curated videos and real-time sign accuracy checks. Our app combines engaging video demonstrations with powerful AI technology to help you learn, practice, and perfect every sign. We are providing 37 learnable signs and more are on their way! Key Features: Video Library of ASL Signs: Watch clear, high-quality videos of people demonstrating each sign for accurate learning. AI-Powered Sign Check Mode: Use your device’s camera to perform signs and let our neural network analyze their accuracy in real time. Get instant feedback to improve faster! Personalized Practice: Focus on signs that need more attention with targeted practice sessions. Step into the world of American Sign Language with the power of AI. Download now and start signing today!
Screenshots
Verdict
The clearest difference is update cadence: TeachMeSign at every 4 months against ASL's every 29 months. ASL's advantage is iOS requirement (9.0 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ASL ships an update every 29 months, TeachMeSign every 4 months. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.
| Parameter | ASL | TeachMeSign |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 29 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 122 MB |
| Age rating | 4+ | 4+ |
| Developer | University of Rochester | Innowise Group |
In-app purchases
ASL
No in-app purchases
TeachMeSign
No in-app purchases
