# ASL American Sign Language vs SLSL Dictionary

The clearest difference is rating: SLSL Dictionary at 5.0 against ASL American Sign Language's 4.5. SLSL Dictionary also leads on in-app purchases (none vs 2) and ads (none vs shown). ASL American Sign Language's advantage is ratings volume (3K vs 2). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ASL American Sign Language sells 2 one-off in-app purchases. SLSL Dictionary asks for nothing beyond the download.

SLSL Dictionary holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: ASL American Sign Language has 3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 89% of ASL American Sign Language's written reviews are positive against 100% of SLSL Dictionary's.

ASL American Sign Language ships an update every 4 months, SLSL Dictionary every 5 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ASL American Sign Language | SLSL Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (3K ratings)](https://appshunter.io/ios/app/asl-american-sign-language/id1146936296/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slsl-dictionary/id6445848879/reviews)** |
| Number of ratings | **3K** | 2 |
| Positive reviews | 89.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 52 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Saeed Bashir](https://appshunter.io/developer/1146936295) | [Daniel Porteous](https://appshunter.io/developer/1531368370) |

## What reviewers say

### ASL American Sign Language

[App page](https://appshunter.io/ios/app/asl-american-sign-language/id1146936296)

Learn American Sign Language (ASL) with this app. It offers a comprehensive learning experience covering history, alphabets, numbers, common phrases, and basic signs with videos. Engage with interactive games to reinforce your learning.

**Highlights:** ASL History, Learn Alphabets A-Z, Learn Numbers 1-100, Common Phrases and Vocabulary, 100 Basic Signs with Video, Picture Matching Games

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ASL Pro | $1.99 | one-time |
| Asl Pro Updated | $2.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick learning
- 💡 Helpful for communicating with deaf/hard of hearing
- 🤗 Friendly instructor
- 🆓 Free to use

**What reviewers complain about**

- 🔍 Limited vocabulary
- ⏱️ Short video length
- 📺 Too many ads
- 🔒 Paid upgrade required for full content

**Reported bugs**

- Inconsistent video quality and cutoffs
- Incorrect sign translations

**Requested features**

- More advanced lessons and vocabulary
- Ability to slow down or repeat videos
- Offline mode for practicing
- Sentence/phrase building exercises


### SLSL Dictionary

[App page](https://appshunter.io/ios/app/slsl-dictionary/id6445848879)

Learn sign language with definitions and videos for each sign. Save custom word lists and use flashcards with spaced repetition for effective revision. Supports English, Sinhala, and Tamil.

**Highlights:** Video demonstrations for signs, Custom word list saving, Flashcard revision feature, Spaced repetition learning, Support for English, Sinhala, and Tamil

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ASL American Sign Language free?

ASL American Sign Language is free to download, with in-app purchases available.

### Is SLSL Dictionary free?

SLSL Dictionary is free to download, with no in-app purchases.

### Which has better reviews, ASL American Sign Language or SLSL Dictionary?

SLSL Dictionary is rated higher. ASL American Sign Language averages 4.5 out of 5 from 3K ratings, while SLSL Dictionary averages 5.0 from 2 ratings.

### Do ASL American Sign Language or SLSL Dictionary have ads?

ASL American Sign Language shows ads; SLSL Dictionary does not.

### Which is updated more often, ASL American Sign Language or SLSL Dictionary?

ASL American Sign Language ships an update every 4 months, and SLSL Dictionary every 5 days. Most recently, ASL American Sign Language was updated on November 2, 2026 and SLSL Dictionary on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*