# Spread the Sign ASL Dictionary vs RT Library

The clearest difference is in-app purchases: RT Library at none against Spread the Sign ASL Dictionary's 1. Spread the Sign ASL Dictionary's advantage is ratings volume (124 vs 1) and iOS requirement (13.0 vs 17.0). On price, rating, ads and device support there is nothing between them.

Both are free to download. Spread the Sign ASL Dictionary sells 1 one-off in-app purchase. RT Library asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Spread the Sign ASL Dictionary against 5.0 for RT Library. That said, the two scores are not equally well evidenced: Spread the Sign ASL Dictionary has 124 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Spread the Sign ASL Dictionary | RT Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (124 ratings)](https://appshunter.io/ios/app/spread-the-sign-asl-dictionary/id438811366/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rt-library/id6789365604/reviews)** |
| Number of ratings | **124** | 1 |
| Positive reviews | 55.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Europeiskt Teckenspråkcenter](https://appshunter.io/developer/438811369) | [Srikantha B](https://appshunter.io/developer/6784071564) |

## What reviewers say

### Spread the Sign ASL Dictionary

[App page](https://appshunter.io/ios/app/spread-the-sign-asl-dictionary/id438811366)

Access the world's largest sign language dictionary, featuring over 300,000 signs. New content is added annually, expanding the library of languages, words, and signs.

**Highlights:** Largest sign language dictionary, Over 300,000 signs, New content added yearly, Multiple countries and languages

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $4.99 | one-time |

**What reviewers like**

- 👍 Helpful for learning sign language
- 📚 Large vocabulary and sign access
- 🌐 Supports multiple sign languages
- 💡 Useful for comparing sign languages
- ✅ Reliable for cross-checking

**What reviewers complain about**

- 💸 Frequent paywalls and upgrade prompts
- 🐛 App freezes and crashes often
- 🚫 Many videos not playing/blank
- ❌ Functionality issues after updates
- 📉 Performance degradation over time

**Reported bugs**

- App freezes a lot
- Videos are blank or not playing
- Search function gives errors
- App crashes after playing a video more than once
- Favorite lists disappear

**Requested features**

- Add slower video playback or slow-motion function
- Downloadable dictionary for offline use
- Add Dutch (Nederlands) sign language
- Fix videos not playing
- Restore lost favorite lists


### RT Library

[App page](https://appshunter.io/ios/app/rt-library/id6789365604)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spread the Sign ASL Dictionary free?

Spread the Sign ASL Dictionary is free to download, with in-app purchases available.

### Is RT Library free?

RT Library is free to download, with no in-app purchases.

### Which has better reviews, Spread the Sign ASL Dictionary or RT Library?

RT Library is rated higher. Spread the Sign ASL Dictionary averages 4.9 out of 5 from 124 ratings, while RT Library averages 5.0 from 1 ratings.

### Do Spread the Sign ASL Dictionary or RT Library have ads?

Neither Spread the Sign ASL Dictionary nor RT Library shows ads.

---

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