# Baby Sign Dictionary ASL vs SLSL Dictionary

The clearest difference is price: SLSL Dictionary at Free against Baby Sign Dictionary ASL's $2.99. SLSL Dictionary also leads on rating (5.0 vs 4.5) and update cadence (weekly vs every 15 months). Baby Sign Dictionary ASL's advantage is ratings volume (233 vs 2) and iOS requirement (12.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

SLSL Dictionary is free to download; Baby Sign Dictionary ASL costs $2.99 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 4.5. That said, the two scores are not equally well evidenced: Baby Sign Dictionary ASL has 233 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 88% of Baby Sign Dictionary ASL's written reviews are positive against 100% of SLSL Dictionary's.

Baby Sign Dictionary ASL ships an update every 15 months, SLSL Dictionary weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Baby Sign Dictionary ASL | SLSL Dictionary |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.5 (233 ratings)](https://appshunter.io/ios/app/baby-sign-dictionary-asl/id527817092/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slsl-dictionary/id6445848879/reviews)** |
| Number of ratings | **233** | 2 |
| Positive reviews | 88.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 531 MB | 52 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Baby Sign and Learn](https://appshunter.io/developer/414830313) | [Daniel Porteous](https://appshunter.io/developer/1531368370) |

## What reviewers say

### Baby Sign Dictionary ASL

[App page](https://appshunter.io/ios/app/baby-sign-dictionary-asl/id527817092)

Teach your baby American Sign Language with this comprehensive dictionary. It features over 340 signs with video demonstrations, categorized for easy learning and practical use in daily routines. Interactive quizzes help reinforce knowledge.

**Highlights:** 340+ ASL signs, Video demonstrations, Categorized signs, Interactive video quiz, Favorites list, High-quality graphics

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive user interface
- 🎥 High-quality video demonstrations with real people
- 💡 Helpful memory tips and explanations for each sign
- 📚 Well-organized vocabulary by topics/categories
- ⭐ Excellent for teaching non-verbal and speech-delayed children

**What reviewers complain about**

- 🐛 Text/words invisible until clicked (dark mode/display issue)
- 📉 Limited vocabulary compared to full ASL dictionary
- 🚫 No ability to favorite/save words for review (older versions)
- ❌ Outdated compatibility with newer iOS versions
- 😕 Quizzes too obvious/not challenging enough

**Reported bugs**

- Text color same as background making words unselectable
- Words not displaying in library until clicked
- Dark mode compatibility issues
- iPhone X and newer screen format incompatibility
- 64-bit iOS compatibility issues

**Requested features**

- More words and expanded vocabulary
- Ability to save/favorite words for quick review
- Sentence structure and sign combinations lessons
- Playthrough/autoplay feature for video sequences
- More challenging quiz options


### 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 Baby Sign Dictionary ASL free?

Baby Sign Dictionary ASL costs $2.99, with no in-app purchases.

### Is SLSL Dictionary free?

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

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

SLSL Dictionary is rated higher. Baby Sign Dictionary ASL averages 4.5 out of 5 from 233 ratings, while SLSL Dictionary averages 5.0 from 2 ratings.

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

Neither Baby Sign Dictionary ASL nor SLSL Dictionary shows ads.

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

Baby Sign Dictionary ASL ships an update every 15 months, and SLSL Dictionary weekly. Most recently, Baby Sign Dictionary ASL was updated on October 25, 2026 and SLSL Dictionary on October 24, 2026.

---

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