# ASL Dictionary vs SLSL Dictionary

The clearest difference is price: SLSL Dictionary at Free against ASL Dictionary's $4.99. SLSL Dictionary also leads on update cadence (every 2 weeks vs every 5 months) and rating (5.0 vs 4.7). ASL Dictionary's advantage is ratings volume (1.3K vs 2) and chart position (#160 vs unranked). On ads, in-app purchases and device support there is nothing between them.

SLSL Dictionary is free to download; ASL Dictionary costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SLSL Dictionary holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: ASL Dictionary has 1.3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 82% of ASL Dictionary's written reviews are positive against 100% of SLSL Dictionary's.

ASL Dictionary ships an update every 5 months, SLSL Dictionary every 2 weeks. The most recent releases landed on September 25, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | ASL Dictionary | SLSL Dictionary |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.7 (1.3K ratings)](https://appshunter.io/ios/app/asl-dictionary/id353574642/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slsl-dictionary/id6445848879/reviews)** |
| Number of ratings | **1.3K** | 2 |
| Positive reviews | 82.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#160** | — |
| Size | 154 MB | 52 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Software Studios LLC](https://appshunter.io/developer/425694308) | [Daniel Porteous](https://appshunter.io/developer/1531368370) |

## What reviewers say

### ASL Dictionary

[App page](https://appshunter.io/ios/app/asl-dictionary/id353574642)

**Currently charting:** #160 Top Paid · Education (US App Store)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for learning ASL
- 🚀 Easy to use and navigate
- 💡 Useful for communicating with deaf/hard of hearing individuals
- 🔍 Extensive word/sign database
- ⏱️ Slow motion and loop features helpful for learning

**What reviewers complain about**

- 🔍 Some signs are outdated or incorrect
- 🔍 Limited selection of common phrases and basic conversational signs
- 🔍 Video quality and clarity could be improved
- 🔍 Lack of explanations/instructions on how to properly perform signs
- 🐛 App crashes or stops working after updates

**Reported bugs**

- Some videos stop playing or don't load properly
- Loop feature not working consistently
- Compatibility issues with newer iOS versions

**Requested features**

- 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


### 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 Dictionary free?

ASL Dictionary costs $4.99, with no in-app purchases.

### Is SLSL Dictionary free?

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

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

SLSL Dictionary is rated higher. ASL Dictionary averages 4.7 out of 5 from 1.3K ratings, while SLSL Dictionary averages 5.0 from 2 ratings.

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

Neither ASL Dictionary nor SLSL Dictionary shows ads.

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

ASL Dictionary ships an update every 5 months, and SLSL Dictionary every 2 weeks. Most recently, ASL Dictionary was updated on September 25, 2026 and SLSL Dictionary on September 11, 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.*