# pi vs WinnRE

The clearest difference is iOS requirement: WinnRE at 11.0 against pi's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

pi ships an update every 5 weeks, WinnRE monthly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | pi | WinnRE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 52 MB | 132 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pi Variables, Inc](https://appshunter.io/developer/1488697253) | [Loyalie IT-Solutions Pvt Ltd](https://appshunter.io/developer/1041349016) |

## What reviewers say

### pi

[App page](https://appshunter.io/ios/app/pi-lit/id1488697254)

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

**In-app purchases:** none


### WinnRE

[App page](https://appshunter.io/ios/app/winnre/id1628780202)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is pi free?

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

### Is WinnRE free?

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

### Do pi or WinnRE have ads?

Neither pi nor WinnRE shows ads.

### Which is updated more often, pi or WinnRE?

pi ships an update every 5 weeks, and WinnRE monthly. Most recently, pi was updated on October 26, 2026 and WinnRE on October 27, 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.*