# Sign ASL vs SLSL Dictionary

The clearest difference is rating: SLSL Dictionary at 5.0 against Sign ASL's 4.1. SLSL Dictionary also leads on review sentiment (100% vs 63%) and ads (none vs shown). Sign ASL's advantage is ratings volume (90 vs 2) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SLSL Dictionary holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Sign ASL has 90 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 63% of Sign ASL's written reviews are positive against 100% of SLSL Dictionary's.

Sign ASL ships an update every 37 months, SLSL Dictionary every 5 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sign ASL | SLSL Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (90 ratings)](https://appshunter.io/ios/app/sign-asl/id1401505280/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slsl-dictionary/id6445848879/reviews)** |
| Number of ratings | **90** | 2 |
| Positive reviews | 62.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 37 months | **Every 5 days** |
| Monetization | Ad-supported | **Free** |
| Size | 3 MB | 52 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Mitchell](https://appshunter.io/developer/998361465) | [Daniel Porteous](https://appshunter.io/developer/1531368370) |

## What reviewers say

### Sign ASL

[App page](https://appshunter.io/ios/app/sign-asl/id1401505280)

Access a comprehensive ASL sign dictionary with thousands of words and phrases. This app provides easy access to over 20,000 video demonstrations of American Sign Language signs directly on your mobile device.

**Highlights:** Searchable ASL dictionary, Thousands of words and phrases, Over 20,000 video demonstrations, Mobile access to signs, Compare ASL signs

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to navigate on mobile
- 🚀 Fast loading videos
- 👍 Small app size
- 👍 Excellent resource for ASL
- 👍 Convenient and simple interface

**What reviewers complain about**

- 😠 Inappropriate ad content
- 😠 Must go to search bar for lessons
- 🐛 Videos do not play
- 🐛 Video player covers signs
- 🐛 Videos play too fast

**Reported bugs**

- Videos do not play
- Video player covers signs
- App crashes before loading
- Play button covers signs
- Icons on top of video

**Requested features**

- Playback option to slow down videos
- Button to make video slow down
- Color tape on fingers for clarity
- Option to save signs for later
- "My signs" section


### SLSL Dictionary

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

Learn Sri Lankan Sign Language with a comprehensive video dictionary. Access over 2,300 signs and 475 phrases, with detailed definitions and regional variants. Features include fingerspelling, customizable lists, and flashcards for effective learning.

**Highlights:** Extensive video library of signs and phrases, Fingerspelling for multiple alphabets, Multilingual support (English, Sinhala, Tamil), Detailed definitions and regional variants, Adjustable video playback speed, Customizable sign lists and flashcards, Offline access to downloaded content

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

**In-app purchases:** none


## Frequently asked questions

### Is Sign ASL free?

Sign ASL is free to download, with no in-app purchases.

### Is SLSL Dictionary free?

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

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

SLSL Dictionary is rated higher. Sign ASL averages 4.1 out of 5 from 90 ratings, while SLSL Dictionary averages 5.0 from 2 ratings.

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

Sign ASL shows ads; SLSL Dictionary does not.

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

Sign ASL ships an update every 37 months, and SLSL Dictionary every 5 days. Most recently, Sign ASL 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.*