Comparison

Udan HESS vs Qilowatt

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

Qilowatt

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Take control of your home's energy usage with the Qilowatt.eu app. Our advanced Home Energy Management System (HEMS) empowers you to monitor, optimize, and control your energy devices in real time. Key features include: Seamless integration with solar inverters, batteries, and smart devices. Smart scheduling to reduce energy costs and maximize savings. Intuitive dashboards to track energy consumption and production. Customizable automation rules for personalized energy management. Gain insights, reduce your energy bills, and contribute to a greener future. Qilowatt.eu is the ultimate tool for sustainable and cost-effective energy management.

Screenshots

Udan HESS4 screens

Qilowatt4 screens

Verdict

The call

The clearest difference is iOS requirement: Udan HESS at 13.0 against Qilowatt's 15.1. On price, update cadence, ads and in-app purchases 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

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

Scorecard1 real difference · 5 level

Udan HESS versus Qilowatt: the parameters behind the verdict, then further details
Parameter	Udan HESS	Qilowatt
Price	Free	Free
Update frequency	Every 3 months	Every 3 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.0 — better	15.1
Further details — not scored
Size	33 MB	28 MB
Age rating	4+	4+
Developer	Anhui Udan Technology Co., Ltd.	Qilowatt

In-app purchases

None

Udan HESS

No in-app purchases

None

Qilowatt

No in-app purchases

Questions

Is Udan HESS free?

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

Is Qilowatt free?

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

Do Udan HESS or Qilowatt have ads?

Neither Udan HESS nor Qilowatt shows ads.

Which is updated more often, Udan HESS or Qilowatt?

Udan HESS ships an update every 3 months, and Qilowatt every 3 months. Most recently, Udan HESS was updated on September 10, 2026 and Qilowatt on September 13, 2026.