Battery Monitor BM2 is a free automotive utility app for iOS and Android that displays real-time battery voltage data from physical Bluetooth hardware.
Product velocity
Dormant
Daily rank 🇺🇸
—
Utilities
Sentiment
3.6
2k reviews
Nemesis
FIXD OBD2 Scanner
The App DNA
What makes this app unique?
Users hire this app to monitor vehicle and marine battery health without the complexity of full OBD2 diagnostic systems, so they can prevent unexpected battery failure.
For Automotive DIY enthusiasts and vehicle owners requiring specific battery health diagnostics.
What does it look like?
Key features
Displays live battery voltage data via Bluetooth, justifying the purchase of the physical hardware unit.
Automated diagnostics for startup and charging performance, supporting the product price point.
Syncs battery test results to smartwatches, reinforcing the brand as a hardware-software solution.
How much does it cost?
The app functions as a free utility to drive the sale of the physical BM2 Bluetooth hardware unit.
Velocity
Dormant developmentplatform expansionperformanceShow more...
Battery Monitor BM2 is currently in a zombie state, having shipped no updates in the last 272 days. The development history shows a lack of activity across both Android and iOS platforms, with the most recent release occurring over nine months ago. There is no evidence of ongoing maintenance or feature development, as the last update was limited to basic compatibility adjustments.
Who built it?
dacheng
3 apps tracked · Utilities
WiFi Smart Endoscope
Multi-Batt MonUser Sentiment
What do users think recently?
Recent user voice shows a mixed sentiment. Users appreciate real-time battery voltage monitoring provides reliable performance insights for vehicle and marine battery maintenance and historical voltage data graphs help users identify charging system issues and prevent unexpected battery failure, but report inaccurate battery percentage readings and lack of native lithium battery support frustrate users with modern power systems.
How are ratings & reviews evolving?
What users say, by theme
- Real-time battery voltage monitoring provides reliable performance insights for vehicle and marine battery maintenance
- Historical voltage data graphs help users identify charging system issues and prevent unexpected battery failure
- Inaccurate battery percentage readings and lack of native lithium battery support frustrate users with modern power systems
72 of 72 recent reviews analyzed · high confidence · Mixed overall
Read the full review analysisUnlock 2 more frustration themes and 2 user requests, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Battery Monitor BM2
How's the Utilities market?
Battery Monitor BM2 maintains a 4.14-star rating across 72 reviews, positioning itself as a specialized, lightweight alternative to comprehensive OBD2 diagnostic apps.
Read the market outlookThe rivals identified
By FIXD Automotive Inc
FIXD competes directly by providing comprehensive vehicle health diagnostics and battery monitoring, targeting the same automotive DIY enthusiast demographic.
- Offers a certified mechanic hotline that provides professional human guidance for complex vehicle diagnostic issues.
- Translates cryptic check engine light codes into simple, actionable explanations for non-technical vehicle owners.
- Maintains a massive user base that creates a powerful data flywheel for predictive vehicle maintenance.
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Battery Monitor BM2
Where is it heading?
Users report: The automotive utility market is consolidating around apps that provide actionable diagnostic insights rather than raw data. Battery Monitor BM2 remains exposed to rivals like FIXD that offer comprehensive engine health monitoring, so the app must pivot toward modern battery chemistries to remain relevant.
- The lack of native lithium battery support forces users to manual configuration, which drives negative sentiment and churn to diagnostic rivals.
- Users report: Security software flagging the app as potential malware creates a trust barrier that prevents new user acquisition on Android.
The SWOT
- Hardware-software pairing creates a dedicated utility barrier for specific battery health monitoring
- Wear OS integration reinforces the brand as a hardware-software solution
- Native lithium battery presets would address the top user request
- Integration with smart-home ecosystems could extend remote monitoring range
Next best moves
Ship native lithium battery presets because reviewers explicitly ask for these to replace manual tables → reduce churn to diagnostic rivals
+ 1 more prioritized moveThe counter-intuitive read
The app's limited Bluetooth range is a feature, not a bug…
Read the full takeFeature gaps
Comprehensive vehicle health diagnostics (available in FIXD but missing here) +1
Since the last report: The app's competitive positioning has become more defensive, with a clearer articulation of how rivals exploit its lack of modern battery support and limited connectivity.
Bottom line
Battery Monitor BM2 maintains a loyal base through reliable voltage tracking, but the lack of native lithium support and short Bluetooth range limit its utility for modern vehicle owners, so the team must prioritize lithium presets to prevent churn to diagnostic rivals.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Battery Monitor BM2 compatible with lithium batteries?
How does Battery Monitor BM2 compare to FIXD?
Is this app safe to use?
What is a free alternative to Battery Monitor BM2?
Sources
- [1] Play Store listing, source
Report last updated