# Cardiff Castle BSL vs Maths Matters

The clearest difference is update cadence: Maths Matters at every 4 months against Cardiff Castle BSL's every 26 months. 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.

Cardiff Castle BSL ships an update every 26 months, Maths Matters every 4 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Cardiff Castle BSL | Maths Matters |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 4 months** |
| Size | 77 MB | 106 MB |
| Requires iOS | **11** | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Cyngor Caerdydd Cardiff Council](https://appshunter.io/developer/1299616865) | [A Star Education Ltd](https://appshunter.io/developer/1224629480) |

## What reviewers say

### Cardiff Castle BSL

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

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

**In-app purchases:** none


### Maths Matters

[App page](https://appshunter.io/ios/app/maths-matters/id6478978691)

**In-app purchases:** none


## Frequently asked questions

### Is Cardiff Castle BSL free?

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

### Is Maths Matters free?

Maths Matters is free to download, with no in-app purchases.

### Do Cardiff Castle BSL or Maths Matters have ads?

Neither Cardiff Castle BSL nor Maths Matters shows ads.

### Which is updated more often, Cardiff Castle BSL or Maths Matters?

Cardiff Castle BSL ships an update every 26 months, and Maths Matters every 4 months. Most recently, Cardiff Castle BSL was updated on October 26, 2026 and Maths Matters on October 30, 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.*