Comparison

WANJIN ESS vs Voltisia

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

Head to head

About

WANJIN ESS

Features

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The EMS App supports the access and unified control of energy storage, photovoltaic and charging equipment. Support different operators' access, and completely isolate the data of each operator. Flexible generation of daily, monthly, and annual operating data reports and revenue data. For end users of energy storage, it provides power generation and power consumption data viewing, optimizes energy supply, and monitors energy equipment anytime and anywhere through instant reminders and remote access functions.

About

Voltisia

Features

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1. The most advanced collector can be used for data monitoring 2. Accurate data, dynamic graph display, clear and clear 3. One click device addition 4. Data from multi-angle professional analysis equipment

Screenshots

WANJIN ESS4 screens

Voltisia4 screens

Verdict

The call

WANJIN ESS and Voltisia 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

WANJIN ESS ships an update every 6 months, Voltisia every 4 months. Both last shipped on October 5, 2026.

ScorecardNo meaningful differences

WANJIN ESS versus Voltisia: the parameters behind the verdict, then further details
Parameter	WANJIN ESS	Voltisia
Price	Free	Free
Update frequency	Every 6 months	Every 4 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	24 MB	89 MB
Age rating	4+	4+
Developer	Anhui Udan Technology Co., Ltd.	ECO GREEN ENERGY LIMITED

In-app purchases

None

WANJIN ESS

No in-app purchases

None

Voltisia

No in-app purchases

Questions

Is WANJIN ESS free?

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

Is Voltisia free?

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

Do WANJIN ESS or Voltisia have ads?

Neither WANJIN ESS nor Voltisia shows ads.

Which is updated more often, WANJIN ESS or Voltisia?

WANJIN ESS ships an update every 6 months, and Voltisia every 4 months. Most recently, WANJIN ESS was updated on October 5, 2026 and Voltisia on October 5, 2026.