# Baby Sign Dictionary vs SLSL Dictionary

The clearest difference is rating: SLSL Dictionary at 5.0 against Baby Sign Dictionary's 4.4. SLSL Dictionary also leads on update cadence (every 2 weeks vs every 15 months) and monetization model (free vs freemium). Baby Sign Dictionary's advantage is ratings volume (239 vs 2) and iOS requirement (12.0 vs 16.0). On price, ads, 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 4.4. That said, the two scores are not equally well evidenced: Baby Sign Dictionary has 239 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 81% of Baby Sign Dictionary's written reviews are positive against 100% of SLSL Dictionary's.

Baby Sign Dictionary ships an update every 15 months, SLSL Dictionary every 2 weeks. The most recent releases landed on September 24, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Baby Sign Dictionary | SLSL Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (239 ratings)](https://appshunter.io/ios/app/baby-sign-dictionary-lite/id528232149/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slsl-dictionary/id6445848879/reviews)** |
| Number of ratings | **239** | 2 |
| Positive reviews | 81.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 weeks** |
| Monetization | Freemium | **Free** |
| Size | 82 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

[App page](https://appshunter.io/ios/app/baby-sign-dictionary-lite/id528232149)

Teach your baby to communicate before they can speak using American Sign Language. This app offers video demonstrations, categorized signs, and interactive quizzes to make learning fun and easy for both parent and child.

**Highlights:** 40 real-life signing video demonstrations, Signs organized by categories, Interactive video quiz, Favorites list for signs, Detailed video tutorials, Swipe through signs

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to learn and use
- 📺 Clear and helpful videos
- 📚 Comprehensive content
- 👨‍👩‍👧‍👦 Great for teaching babies
- 💡 Good for beginners

**What reviewers complain about**

- 🐛 Issues with text display
- 🖼️ Missing written words in dictionary
- 💰 Full version required for full content
- 🔠 Alphabet not included in free version
- 📉 Limited number of signs

**Reported bugs**

- Text not showing up in favorites list
- Words not showing up in the dictionary

**Requested features**

- Include written words in the dictionary
- Add captions to spoken explanations
- Expand the vocabulary in the free version
- Include more common words
- Offer computerized, cartoon-type babies instead of adults


### 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 free?

Baby Sign Dictionary 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, Baby Sign Dictionary or SLSL Dictionary?

SLSL Dictionary is rated higher. Baby Sign Dictionary averages 4.4 out of 5 from 239 ratings, while SLSL Dictionary averages 5.0 from 2 ratings.

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

Neither Baby Sign Dictionary nor SLSL Dictionary shows ads.

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

Baby Sign Dictionary ships an update every 15 months, and SLSL Dictionary every 2 weeks. Most recently, Baby Sign Dictionary was updated on September 24, 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.*