# AlphaSign Learn Sign Language vs Cardiff Castle BSL

The clearest difference is in-app purchases: Cardiff Castle BSL at none against AlphaSign Learn Sign Language's 1. Cardiff Castle BSL also leads on ads (none vs shown). AlphaSign Learn Sign Language's advantage is update cadence (every 5 months vs every 26 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AlphaSign Learn Sign Language sells 1 one-off in-app purchase. Cardiff Castle BSL asks for nothing beyond the download.

AlphaSign Learn Sign Language ships an update every 5 months, Cardiff Castle BSL every 26 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | AlphaSign Learn Sign Language | Cardiff Castle BSL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (24 ratings)](https://appshunter.io/ios/app/alphasign-learn-sign-language/id526686526/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 26 months |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 77 MB |
| Requires iOS | 12.4 | **11** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fragranze Apps Limited](https://appshunter.io/developer/369238797) | [Cyngor Caerdydd Cardiff Council](https://appshunter.io/developer/1299616865) |

## What reviewers say

### AlphaSign Learn Sign Language

[App page](https://appshunter.io/ios/app/alphasign-learn-sign-language/id526686526)

Learn the alphabet in American Sign Language (ASL) and British Sign Language (BSL). This educational app makes mastering sign language fun and easy with a simple scrolling interface and swipe gestures.

**Highlights:** Learn ASL alphabet, Learn BSL alphabet, Easy scrolling interface, Swipe to next letter, Educational and fun

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alphasign - Remove Ads | $1.99 | one-time |


### Cardiff Castle BSL

[App page](https://appshunter.io/ios/app/cardiff-castle-bsl/id889944973)

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

**In-app purchases:** none


## Frequently asked questions

### Is AlphaSign Learn Sign Language free?

AlphaSign Learn Sign Language is free to download, with in-app purchases available.

### Is Cardiff Castle BSL free?

Cardiff Castle BSL is free to download, with no in-app purchases.

### Do AlphaSign Learn Sign Language or Cardiff Castle BSL have ads?

AlphaSign Learn Sign Language shows ads; Cardiff Castle BSL does not.

### Which is updated more often, AlphaSign Learn Sign Language or Cardiff Castle BSL?

AlphaSign Learn Sign Language ships an update every 5 months, and Cardiff Castle BSL every 26 months. Most recently, AlphaSign Learn Sign Language was updated on November 1, 2026 and Cardiff Castle BSL on October 26, 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.*