Volta Power USA vs Shellie
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Volta Power USA
Read full descriptionHide full description
1. The uniqueness of the Bluetooth name ensures that users can accurately connect and manage the corresponding lithium battery; 2. Information query management can be performed on the battery, the user can query the relevant status of each string of batteries, and replace or maintain the abnormal battery; 3. Safety setting and reading battery protection parameters, user setting parameters, you need to enter a password to modify the parameters; 4. Monitor battery fault alarms and display the current faults,and the number of faults in the battery;
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
Read full descriptionHide full description
Winnebago Travato Leveling Tool
Screenshots
Verdict
The clearest difference is update cadence: Shellie at every 2 days against Volta Power USA's every 15 months. Volta Power USA's advantage is iOS requirement (11.0 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.
Volta Power USA ships an update every 15 months, Shellie every 2 days. The most recent releases landed on September 20, 2026 and June 1, 2026 respectively.
| Parameter | Volta Power USA | Shellie |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 15 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 73 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | Nprc TV LLC | Peter Walker |
In-app purchases
Volta Power USA
No in-app purchases
Shellie
No in-app purchases
