# Learn XML vs BASI Study

The clearest difference is update cadence: BASI Study at every 6 weeks against Learn XML's every 4 months. Learn XML's advantage is iOS requirement (12.0 vs 15.2). 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.

Learn XML ships an update every 4 months, BASI Study every 6 weeks. Both last shipped on October 1, 2026.

## The numbers

| Metric | Learn XML | BASI Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 28 MB | 110 MB |
| Requires iOS | **12.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OnePercent](https://appshunter.io/developer/1536020418) | [British Association of Snowsport Instructors](https://appshunter.io/developer/1263937730) |

## What reviewers say

### Learn XML

[App page](https://appshunter.io/ios/app/learn-xml-onepercent/id1561356815)

**Features:** macOS Compatibility

**In-app purchases:** none


### BASI Study

[App page](https://appshunter.io/ios/app/basi-study/id1593375840)

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

**In-app purchases:** none


## Frequently asked questions

### Is Learn XML free?

Learn XML is free to download, with no in-app purchases.

### Is BASI Study free?

BASI Study is free to download, with no in-app purchases.

### Do Learn XML or BASI Study have ads?

Neither Learn XML nor BASI Study shows ads.

### Which is updated more often, Learn XML or BASI Study?

Learn XML ships an update every 4 months, and BASI Study every 6 weeks. Most recently, Learn XML was updated on October 1, 2026 and BASI Study on October 1, 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.*