# Shellie vs WenGao

The clearest difference is update cadence: Shellie at every 2 days against WenGao's every 3 months. WenGao's advantage is iOS requirement (15.0 vs 18.2). 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.

Shellie ships an update every 2 days, WenGao every 3 months. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Shellie | WenGao |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shellie/id6753881676/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | Free | — |
| Size | 3 MB | 25 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Peter Walker](https://appshunter.io/developer/1845456015) | [Shenzhen Wengao Electronic Co., Ltd](https://appshunter.io/developer/1871343121) |

## What reviewers say

### Shellie

[App page](https://appshunter.io/ios/app/shellie/id6753881676)

This utility app assists RV owners in leveling their vehicles. It provides a simple interface to ensure your RV is perfectly balanced for comfort and stability.

**Highlights:** RV leveling assistance, Vehicle balancing, Simple interface, Designed for Winnebago Travato

**Features:** macOS Compatibility

**In-app purchases:** none


### WenGao

[App page](https://appshunter.io/ios/app/wengao/id6758176815)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shellie free?

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

### Is WenGao free?

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

### Do Shellie or WenGao have ads?

Neither Shellie nor WenGao shows ads.

### Which is updated more often, Shellie or WenGao?

Shellie ships an update every 2 days, and WenGao every 3 months. Most recently, Shellie was updated on September 30, 2026 and WenGao on October 4, 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.*