# Wheaton Casa UD vs Sun WEG

The clearest difference is update cadence: Sun WEG at monthly against Wheaton Casa UD's every 7 months. Sun WEG also leads on iOS requirement (13.0 vs 18.0). 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.

Wheaton Casa UD ships an update every 7 months, Sun WEG monthly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Wheaton Casa UD | Sun WEG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sun-weg/id1618484332/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | — | Free |
| Size | 75 MB | 47 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Wheaton](https://appshunter.io/developer/1550784343) | [WEG Equipamentos Eletricos S/A](https://appshunter.io/developer/575847223) |

## What reviewers say

### Wheaton Casa UD

[App page](https://appshunter.io/ios/app/wheaton-casa-ud/id1606796448)

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

**In-app purchases:** none


### Sun WEG

[App page](https://appshunter.io/ios/app/sun-weg/id1618484332)

Monitor and manage your photovoltaic plant's generation factors. The system continuously analyzes your equipment and operators to prevent unwanted downtime that impacts energy production.

**Highlights:** Control photovoltaic plant generation factors, Continuous equipment analysis, Operator monitoring, Prevent unwanted downtime, Optimize energy production

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

**In-app purchases:** none


## Frequently asked questions

### Is Wheaton Casa UD free?

Wheaton Casa UD is free to download, with no in-app purchases.

### Is Sun WEG free?

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

### Do Wheaton Casa UD or Sun WEG have ads?

Neither Wheaton Casa UD nor Sun WEG shows ads.

### Which is updated more often, Wheaton Casa UD or Sun WEG?

Wheaton Casa UD ships an update every 7 months, and Sun WEG monthly. Most recently, Wheaton Casa UD was updated on November 3, 2026 and Sun WEG on November 7, 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.*