# Karolinska Institutet ePAD vs BB Learn

The clearest difference is in-app purchases: Karolinska Institutet ePAD at none against BB Learn's 7. Karolinska Institutet ePAD also leads on update cadence (every 2 months vs every 4 months). BB Learn's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. BB Learn sells 7 one-off in-app purchases. Karolinska Institutet ePAD asks for nothing beyond the download.

Karolinska Institutet ePAD ships an update every 2 months, BB Learn every 4 months. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Karolinska Institutet ePAD | BB Learn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 45 MB | 27 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MyKnowledgeMap Ltd](https://appshunter.io/developer/341047504) | [Nanolabs Limited](https://appshunter.io/developer/1652833716) |

## What reviewers say

### Karolinska Institutet ePAD

[App page](https://appshunter.io/ios/app/karolinska-institutet-epad/id1641462973)

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

**In-app purchases:** none


### BB Learn

[App page](https://appshunter.io/ios/app/bb-learn/id6756641469)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grade 7 English Course | $5.99 | one-time |
| Grade 8 English Course | $5.99 | one-time |
| Grade 6 English Course | $5.99 | one-time |
| Grade 10 English Course | $6.99 | one-time |
| Grade 9 English Course | $6.99 | one-time |
| Grade 12 English Course | $7.99 | one-time |
| Grade 11 English Course | $7.99 | one-time |


## Frequently asked questions

### Is Karolinska Institutet ePAD free?

Karolinska Institutet ePAD is free to download, with no in-app purchases.

### Is BB Learn free?

BB Learn is free to download, with in-app purchases available.

### Do Karolinska Institutet ePAD or BB Learn have ads?

Neither Karolinska Institutet ePAD nor BB Learn shows ads.

### Which is updated more often, Karolinska Institutet ePAD or BB Learn?

Karolinska Institutet ePAD ships an update every 2 months, and BB Learn every 4 months. Most recently, Karolinska Institutet ePAD was updated on September 24, 2026 and BB Learn on October 5, 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.*