Shellie vs WenGao
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shellie
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.
- RV leveling assistance
- Vehicle balancing
- Simple interface
- Designed for Winnebago Travato
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Winnebago Travato Leveling Tool
WenGao
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This is an app that utilizes Bluetooth technology to connect to DC-DC chargers. Users can use the app to view the charger's status in real-time and adjust its parameters for optimal usage!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Shellie | WenGao |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 25 MB |
| Age rating | 4+ | 17+ |
| Developer | Peter Walker | Shenzhen Wengao Electronic Co., Ltd |
In-app purchases
Shellie
No in-app purchases
WenGao
No in-app purchases
