KOYOE vs UDAN EMS
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
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.
- 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
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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.
UDAN EMS
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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.
Screenshots
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KOYOE ships an update fortnightly, UDAN EMS every 5 weeks. Both last shipped on November 3, 2026.
| Parameter | KOYOE | UDAN EMS |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | β |
| Update frequency | Fortnightly β better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | β |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 β better |
| Further details β not scored | ||
| Size | 47 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Jiangsu Koyoe Energy Technology Co.,Ltd | Anhui Udan Technology Co., Ltd. |
In-app purchases
KOYOE
No in-app purchases
UDAN EMS
No in-app purchases








