KOYOE vs Sermatec
Price, ratings, monetisation and update history for both apps, side by side โ 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.
Sermatec
Monitor the status of integrated optical storage machines and view overall power station performance. Access real-time data charts, predict power generation efficiency, and manage historical alarms. Supports multiple power station and device management with online configuration and multi-account login.
- View overall power station status
- Real-time data status charts
- Equipment power generation efficiency prediction
- Historical alarm monitoring
- Multiple power station management
- Online configuration
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Support to check the status of the optical storage integrated machine, one time can view the overall power station status. Support to view the data status chart, you can view real-time device data information. Support equipment power generation efficiency prediction and improve equipment power generation efficiency. View historical alarms and monitor device status at all times. Supports multiple power station management, facilitating the management of multiple power stations by individuals or enterprises. Supports multiple all-in-one devices for home or business installation or viewing of multiple sets of devices. Supports online configuration to facilitate equipment installation and debugging. Support multiple account login. Support cloud data platform, storage device status information, etc.
Screenshots
Verdict
The clearest difference is review sentiment: KOYOE at 50% against Sermatec's 0%. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท 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, Sermatec every 3 weeks. The most recent releases landed on August 18, 2026 and September 23, 2026 respectively.
| Parameter | KOYOE | Sermatec |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews โ better | 0.0% of reviews |
| Update frequency | Fortnightly โ better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 15.6 | 15.6 |
| Further details โ not scored | ||
| Size | 47 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Jiangsu Koyoe Energy Technology Co.,Ltd | Shanghai Sermatec Energy Technology CO.,LTD |
Customer experience
KOYOE
Sermatec
In-app purchases
KOYOE
No in-app purchases
Sermatec
No in-app purchases








