# Principia vs Learning Pool LXP

The clearest difference is update cadence: Principia at every 3 weeks against Learning Pool LXP's every 2 months. Learning Pool LXP's advantage is iOS requirement (10.0 vs 12.0). 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.

Principia ships an update every 3 weeks, Learning Pool LXP every 2 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | Principia | Learning Pool LXP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 46 MB | 36 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Abdul Rafeeque Parakkal](https://appshunter.io/developer/1464562964) | [Learning Pool Ltd](https://appshunter.io/developer/669489870) |

## What reviewers say

### Principia

[App page](https://appshunter.io/ios/app/principia-the-learning-app/id1540900536)

**Features:** macOS Compatibility

**In-app purchases:** none


### Learning Pool LXP

[App page](https://appshunter.io/ios/app/learning-pool-lxp/id1589941623)

**In-app purchases:** none


## Frequently asked questions

### Is Principia free?

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

### Is Learning Pool LXP free?

Learning Pool LXP is free to download, with no in-app purchases.

### Do Principia or Learning Pool LXP have ads?

Neither Principia nor Learning Pool LXP shows ads.

### Which is updated more often, Principia or Learning Pool LXP?

Principia ships an update every 3 weeks, and Learning Pool LXP every 2 months. Most recently, Principia was updated on October 9, 2026 and Learning Pool LXP on October 9, 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.*