QCBMS vs Powerful BMS
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
QCBMS
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FEATURES * The Best Utility tool for monitoring your lithium battery. * Realtime check PACK, privacy information, and the working status. * The phone required bluetooth4.0 or Above. *Tracking Cycle Life on each battery. *Displays State Of Charge (SOC) percentage with graphics. *Display total voltage, each cell voltage, charging or discharging current, temperature, etc. * Measuring distance: Less than or equal to 7m. * Due to the Bluetooth hardware feature, the APP only can connect with one battery every time. * If you want to connect this battery with another mobile phone, pls exit this program. * As the iOS system openness, different cellphone manufacturer will have their own customized feature on the cellphone . So the APP can not work well on some cellphones due to compatibility issues.
Powerful BMS
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Real-time battery status monitoring The on-board equipment can accurately detect the voltage, SOC and SOH status of the battery when it is stationary by dynamically detecting the status of the vehicle. 4G data transmission The battery test results are regularly transmitted to end users and service providers through 4G, so as to understand the real-time status of the battery and monitor the battery usage trend to avoid any loss caused by sudden battery damage. Customized early warning/digital drainage Battery feed or deterioration warning can be customized according to requirements, and timely remind end users to collect effective measures. OEMs and their dealership stores can also use early warning information to remind end users to return to the store for battery testing and maintenance in a timely manner.
Screenshots
Verdict
The clearest difference is update cadence: QCBMS at every 2 weeks against Powerful BMS's every 2 months. QCBMS also leads on iOS requirement (9 vs 15.6). 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.
QCBMS ships an update every 2 weeks, Powerful BMS every 2 months. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.
| Parameter | QCBMS | Powerful BMS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks β better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9 β better | 15.6 |
| Further details β not scored | ||
| Size | 28 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | ε°ηΊ’ εΎ | Shenzhen Leagend Optoelectronics Co., Ltd. |
In-app purchases
QCBMS
No in-app purchases
Powerful BMS
No in-app purchases









