QCBMS vs e
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.
e
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Using the mobile phone to unlock the lock reduces the inconvenience of the user passing the entity key, and makes the lock more and more convenient to use.
Screenshots
Verdict
The clearest difference is update cadence: QCBMS at every 2 weeks against e's every 7 months. QCBMS also leads on iOS requirement (9 vs 13.0). 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, e every 7 months. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.
| Parameter | QCBMS | e |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks β better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod, Apple Watch β better |
| Requires iOS | 9 β better | 13.0 |
| Further details β not scored | ||
| Size | 28 MB | 335 MB |
| Age rating | 4+ | 4+ |
| Developer | ε°ηΊ’ εΎ | M&T Projekt s.r.o. |
In-app purchases
QCBMS
No in-app purchases
e
No in-app purchases
