Udan HESS vs SkyEye
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Udan HESS
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Udan ESS App is for household energy storage users to view power generation data. It has convenient functions such as real-time status monitoring and operation and maintenance management. Udan ESS App is the battery application at your fingertips
SkyEye
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Screenshots
Verdict
The clearest difference is update cadence: SkyEye at every 3 weeks against Udan HESS's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Udan HESS ships an update every 3 months, SkyEye every 3 weeks. The most recent releases landed on September 10, 2026 and May 15, 2026 respectively.
| Parameter | Udan HESS | SkyEye |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 β better |
| Further details β not scored | ||
| Size | 33 MB | 48 MB |
| Age rating | 4+ | 17+ |
| Developer | Anhui Udan Technology Co., Ltd. | Hangzhou Huading New Energy Co., Ltd. |
In-app purchases
Udan HESS
No in-app purchases
SkyEye
No in-app purchases
