Comparison

Udan HESS vs VOLTA CLOUD

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

Udan HESS

Features

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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

About

VOLTA CLOUD

Features

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This first release version offers powerful real-time monitoring, data analysis, and remote control features. It helps you manage and optimize the operation of inverter equipment easily. Real-time Monitoring: View the inverter's working status and performance data anytime. Remote Control: Easily adjust settings remotely to ensure the equipment operates efficiently. Data Analysis: Access detailed historical data and trend analysis to understand the long-term performance of the equipment. User-friendly Interface: A simple and intuitive interface that allows users to get started quickly.

Screenshots

Udan HESS4 screens

VOLTA CLOUD4 screens

Verdict

The call

Udan HESS and VOLTA CLOUD are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Udan HESS ships an update every 3 months, VOLTA CLOUD every 4 months. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

ScorecardNo meaningful differences

Udan HESS versus VOLTA CLOUD: the parameters behind the verdict, then further details
Parameter	Udan HESS	VOLTA CLOUD
Price	Free	Free
Update frequency	Every 3 months — better	Every 4 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.0	12.0 — better
Further details — not scored
Size	33 MB	193 MB
Age rating	4+	17+
Developer	Anhui Udan Technology Co., Ltd.	Fairvalue B.V.

In-app purchases

None

Udan HESS

No in-app purchases

None

VOLTA CLOUD

No in-app purchases

Questions

Is Udan HESS free?

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

Is VOLTA CLOUD free?

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

Do Udan HESS or VOLTA CLOUD have ads?

Neither Udan HESS nor VOLTA CLOUD shows ads.

Which is updated more often, Udan HESS or VOLTA CLOUD?

Udan HESS ships an update every 3 months, and VOLTA CLOUD every 4 months. Most recently, Udan HESS was updated on October 13, 2026 and VOLTA CLOUD on October 20, 2026.