# UPeU Lamb vs Mi Wiener

The clearest difference is device support: UPeU Lamb at 3 against Mi Wiener's 1. 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.

UPeU Lamb ships an update every 3 weeks, Mi Wiener every 5 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | UPeU Lamb | Mi Wiener |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 123 MB | 45 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Universidad Peruana Unión](https://appshunter.io/developer/1202009386) | [UNIVERSIDAD PRIVADA NORBERT WIENER SA](https://appshunter.io/developer/1599159590) |

## What reviewers say

### UPeU Lamb

[App page](https://appshunter.io/ios/app/upeu-lamb/id1428977402)

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

**In-app purchases:** none


### Mi Wiener

[App page](https://appshunter.io/ios/app/mi-wiener/id1630002092)

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

**In-app purchases:** none


## Frequently asked questions

### Is UPeU Lamb free?

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

### Is Mi Wiener free?

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

### Do UPeU Lamb or Mi Wiener have ads?

Neither UPeU Lamb nor Mi Wiener shows ads.

### Which is updated more often, UPeU Lamb or Mi Wiener?

UPeU Lamb ships an update every 3 weeks, and Mi Wiener every 5 weeks. Most recently, UPeU Lamb was updated on November 6, 2026 and Mi Wiener on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*