KLS Electronic vs FN BMS
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
KLS Electronic
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Used for monitoring and related control of Jinlisheng smart BMS battery power, voltage, current and other parameters
FN BMS
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This app is used in the battery management system, and the display and setting are realized through Bluetooth connection. The specific function modules are as follows - Real-time condition monitoring - Running parameter settings; Battery management system device control.
Screenshots
Verdict
KLS Electronic and FN BMS are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
KLS Electronic ships an update every 3 months, FN BMS every 7 months. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.
| Parameter | KLS Electronic | FN BMS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months β better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 β better | 13.0 |
| Further details β not scored | ||
| Size | 36 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Kinglisheng New Energy Technology Co., Ltd. | Dongguan Empowering Technology Co., Ltd |
In-app purchases
KLS Electronic
No in-app purchases
FN BMS
No in-app purchases
