# Marlee Signs vs SLSL Dictionary

The clearest difference is review sentiment: SLSL Dictionary at 100% against Marlee Signs's 45%. SLSL Dictionary also leads on rating (5.0 vs 3.3) and in-app purchases (none vs 5). Marlee Signs's advantage is ratings volume (190 vs 2) and iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Marlee Signs sells 5 one-off in-app purchases. SLSL Dictionary asks for nothing beyond the download.

SLSL Dictionary holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Marlee Signs has 190 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 45% of Marlee Signs's written reviews are positive against 100% of SLSL Dictionary's.

Marlee Signs ships an update every 2 months, SLSL Dictionary every 2 weeks. The most recent releases landed on June 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Marlee Signs | SLSL Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (190 ratings)](https://appshunter.io/ios/app/marlee-signs/id566054855/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slsl-dictionary/id6445848879/reviews)** |
| Number of ratings | **190** | 2 |
| Positive reviews | 45.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 108 MB | 52 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MEDL Mobile Enterprises, LLC](https://appshunter.io/developer/1179132337) | [Daniel Porteous](https://appshunter.io/developer/1531368370) |

## What reviewers say

### Marlee Signs

[App page](https://appshunter.io/ios/app/marlee-signs/id566054855)

Learn American Sign Language with video lessons from Academy Award-winning actress Marlee Matlin. Master the alphabet, vocabulary, and common expressions at your own pace. Spell out words with a dedicated signing feature.

**Highlights:** Signed alphabet instruction, Basic vocabulary lessons, Common expression videos, Spell any word in signs, Slow motion video playback, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Around You Lesson Pack | $1.99 | one-time |
| Home Lesson Pack | $1.99 | one-time |
| Around Town Lesson Pack | $1.99 | one-time |
| Around World Lesson Pack | $1.99 | one-time |
| Baby Signs Lesson Pack | $1.99 | one-time |

**What reviewers like**

- ✨ Excellent for beginners
- 📚 Great for learning ASL vocabulary
- 👍 Clear and easy-to-follow videos
- 🌟 Marlee Matlin is an inspiring teacher

**What reviewers complain about**

- 🐛 Videos not working/black screen issues
- 💰 Expensive for limited content
- 🔄 Constant need to delete and reinstall app
- 🔍 Poor search functionality

**Reported bugs**

- Videos not playing, showing black screens
- Purchased lesson packs not restoring after reinstall
- App crashing or freezing on certain devices
- Connectivity issues even with good internet

**Requested features**

- Add more lesson packs and content
- Improve offline access and video playback
- Implement better search and navigation
- Add speech-to-sign and sign-to-speech features


### 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 Marlee Signs free?

Marlee Signs 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, Marlee Signs or SLSL Dictionary?

SLSL Dictionary is rated higher. Marlee Signs averages 3.3 out of 5 from 190 ratings, while SLSL Dictionary averages 5.0 from 2 ratings.

### Do Marlee Signs or SLSL Dictionary have ads?

Neither Marlee Signs nor SLSL Dictionary shows ads.

### Which is updated more often, Marlee Signs or SLSL Dictionary?

Marlee Signs ships an update every 2 months, and SLSL Dictionary every 2 weeks. Most recently, Marlee Signs was updated on June 9, 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.*