WEST BMS vs JKESS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WEST BMS
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Stay connected with your WEST products using the WEST BMS app. This app allows you to monitor and manage your WEST devices with ease. Key Features: Claim Your WEST Device: Register and claim your WEST device for personalized monitoring and updates. Monitor State of Charge: Check the state of charge and cell voltage of your device in real-time. View Event Logs: Access detailed event logs to track the performance and history of your module. Data Sharing: Share your module's data seamlessly with our support team for enhanced assistance. Cloud Connectivity: Connect your module to the cloud to receive notifications about potential failures or degradation.
JKESS
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This application unleashes the full potential of your BMS products through efficient management features. It offers a range of tools to simplify operations, ensuring the performance and safety of your battery management system. With this app, you can monitor the battery’s status in real time, fine-tune configurations through custom settings, and ensure stable system operation. Even first-time users can easily get started with its intuitive interface. Additionally, the app provides real-time alert notifications to help you identify and resolve potential issues promptly. The firmware upgrade feature continuously introduces new functionalities or performance improvements, keeping your device running at its best. Key Features: • Real-time Status Monitoring: Continuously track the battery’s performance, providing clear insights into the device’s condition. • Parameter Configuration: Customize settings for optimal use every time. • Firmware Upgrade: Easily update firmware to access the latest features and performance enhancements. • Alert Notifications: Receive and view critical alerts to stay on top of system status. For more product information and company details, visit our official website. We also welcome you to use the “Contact Us” feature to report product issues or provide suggestions for improvement.
Screenshots
Verdict
The clearest difference is update cadence: WEST BMS at monthly against JKESS's every 8 months. WEST BMS also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WEST BMS ships an update monthly, JKESS every 8 months. The most recent releases landed on December 3, 2025 and September 20, 2026 respectively.
| Parameter | WEST BMS | JKESS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 159 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Wright Energy Storage Technologies, Inc | Shenzhen Nengyi Electronic Technology Co.,Ltd |
In-app purchases
WEST BMS
No in-app purchases
JKESS
No in-app purchases









