Comparison

KOYOE vs UDAN EMS

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

Head to head
About

KOYOE

This platform allows users to centrally monitor, analyze, and display data from power stations. It provides insights into operational status, energy efficiency, and revenue estimation, offering a scientific basis for economic operations and power station design. Real-time communication aids in quick fault diagnosis for safe operation.

Highlights
  • Centralized monitoring of power station data
  • Analysis of energy efficiency and operation status
  • Revenue estimation for power stations
  • Real-time fault information processing
  • Technical support for safe power station operation
Features
Read full description

Through Koyoe new energy monitoring platform, users can centrally monitor, store, analyze and display the data and operation status of the power station, so as to know the operation management status of the power plant and the data energy efficiency analysis, and estimate the revenue, so as to provide a substantial scientific basis for the economic operation and the design of the power station. Through real-time communication technology, the fault information is processed and diagnosed quickly, which provides technical support for the safe operation of the power station.

About

UDAN EMS

Features
Read full description

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.

Screenshots

KOYOE4 screens
UDAN EMS4 screens

Verdict

The call

The clearest difference is update cadence: KOYOE at fortnightly against UDAN EMS's every 5 weeks. 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

KOYOE ships an update fortnightly, UDAN EMS every 5 weeks. Both last shipped on November 3, 2026.

Scorecard1 real difference Β· 7 level
KOYOE versus UDAN EMS: the parameters behind the verdict, then further details
ParameterKOYOEUDAN EMS
PriceFreeFree
Positive reviews50.0% of reviewsβ€”
Update frequencyFortnightly β€” betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.615.0 β€” better
Further details β€” not scored
Size47 MB34 MB
Age rating4+4+
DeveloperJiangsu Koyoe Energy Technology Co.,LtdAnhui Udan Technology Co., Ltd.

In-app purchases

None

KOYOE

No in-app purchases

None

UDAN EMS

No in-app purchases

Questions

Is KOYOE free?
KOYOE is free to download, with no in-app purchases.
Is UDAN EMS free?
UDAN EMS is free to download, with no in-app purchases.
Do KOYOE or UDAN EMS have ads?
Neither KOYOE nor UDAN EMS shows ads.
Which is updated more often, KOYOE or UDAN EMS?
KOYOE ships an update fortnightly, and UDAN EMS every 5 weeks. Most recently, KOYOE was updated on November 3, 2026 and UDAN EMS on November 3, 2026.

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