| Core Identity |
| Developer | 婷婷 乔 | Bastiaan Modderkolk | e77code GmbH | Shenzhen Maicheng Technology Innovation Co.,Ltd | Overkill Solar LLC | Shenzhen Litime Technology | Aexol Studio | nakhon phagdeechat | Mopeka Products, LLC | 98 Soft |
| Category | Utilities | Utilities | Productivity | Utilities | Utilities | Lifestyle | Utilities | Utilities | Utilities | Tools |
| Platform | Android, iOS | iOS | iOS | iOS, Android | iOS, Android | iOS, Android | iOS | iOS | iOS, Android | Android |
| Store Metrics |
| Rating | 3.1 / 5 | 4.6 / 5 | 3.6 / 5 | 2.8 / 5 | 4.7 / 5 | 2.8 / 5 | 4.3 / 5 | 4.0 / 5 | 2.9 / 5 | 2.7 / 5 |
| Ratings Count | 19 | 2,924 | 66 | 46 | 19 | 199 | 589 | 342 | 70 | 275 |
| Price | Free | Free | Free | Free | Free | Free | $4.99 | Free | Free | Free |
| Release Date | May 30, 2024 | Oct 16, 2019 | May 3, 2018 | Apr 26, 2024 | Nov 14, 2022 | Nov 30, 2023 | Feb 22, 2015 | Mar 2, 2016 | Nov 5, 2015 | Aug 28, 2023 |
| Last Updated | Mar 20, 2026 | May 7, 2026 | Apr 21, 2024 | Jul 8, 2025 | Jun 10, 2025 | May 8, 2026 | Jan 16, 2024 | May 5, 2024 | Sep 12, 2023 | Mar 20, 2026 |
| Sentiment & Reviews |
| Sentiment | negative | - | negative | mixed | positive | negative | - | - | negative | - |
| Score | 35/100 | - | 35/100 | 35/100 | 75/100 | 35/100 | - | - | 35/100 | - |
| Praises | - Battery monitoring functionality provides clear percentage data for lithium cell management
| - | - Core battery management functionality provides useful data for DIY energy storage projects
| - Bluetooth connectivity provides reliable real-time monitoring of battery state for remote power systems
| - Advanced battery management features provide superior control compared to manufacturer-provided applications
| - Sleek and intuitive interface design
| - | - | - Accurate propane level readings provide peace of mind for RV owners during long-term travel
- Integration with external monitoring hardware allows for centralized management of multiple propane tanks
| - |
| Complaints | - Account registration and login failures prevent users from accessing critical battery controls
| - | - Aggressive monetization tactics require recurring payments to access basic configuration settings
| - Mandatory account login requirements prevent offline access to critical battery data during field use
| - Persistent location and media permission prompts disrupt the user experience during daily operation
| - Bluetooth connectivity stability issues
- Lack of advanced configuration tools
| - | - | - Excessive background battery drain on mobile devices forces users to manually force-close the application
- Persistent connection failures and sensor synchronization errors frustrate users after the latest update
- Inaccurate notification frequency settings cause constant alerts that cannot be adjusted by the user
| - |
| Requests | - Dark mode implementation is necessary to improve visibility during nighttime monitoring sessions
| - | - | - Individual cell voltage monitoring is required to properly manage battery health and balancing
| - Persistent storage for favorite battery devices to enable quick switching between multiple units
| - Wi-Fi remote monitoring support
| - | - | - Landscape orientation support for tablet users managing van or RV control dashboards
- Historical data visualization to track propane consumption trends over days and weeks
| - |
| Strategic Intel |
| Strengths | - Direct hardware-level integration with proprietary BMS boards
- Specialized historical graphing for voltage and capacitance
- Multi-user device sharing capability
| - | - PIN-protected configuration increases switching costs for professional installers
- Apple Watch integration expands engagement surface to wearables
- Firmware unlocking capability serves as a unique acquisition lever
| - Proprietary remote discharge control creates a hardware-locked moat
- QR code pairing reduces initial setup friction
| - Proprietary .fig file format creates high switching costs for complex solar arrays
- Open-access parameter tuning justifies hardware purchase for power users
| - 10-language library functions as a B2B distribution barrier into international markets
- Clean interface reduces technical entry barriers for casual users
| - | - | - Magnetic sensor attachment allows for non-invasive installation on diverse tank sizes
- Proprietary hardware-software link creates a hardware-purchase lock-in
| - |
| Weaknesses | - Mandatory account registration blocks core functionality
- Persistent Bluetooth connectivity errors
- Poor UI scaling on larger screen formats
| - | - 3.57 rating indicates significant user dissatisfaction
- Configuration-save failures erode trust in core utility
- Pay-gating basic settings drives negative sentiment
| - Mandatory login prevents offline access in field scenarios
- Lack of concurrent multi-battery monitoring limits system management
| - Persistent location and media permission prompts erode daily usage
- Lack of Bluetooth PIN protection exposes batteries to unauthorized changes
- Inconsistent connectivity prevents reliable monitoring of battery status
| - 2.7-star rating indicates high churn risk
- Bluetooth-only architecture limits utility compared to Wi-Fi-enabled rivals
- Missing advanced configuration tools for professional installers
| - | - | - Excessive background battery drain reported by users
- Persistent Bluetooth synchronization errors post-update
- Lack of historical data visualization
| - |
| Pricing | free | free | freemium | free | free | free | paid | free | free | free |
| Momentum | Maintenance | - | Zombie | Zombie | Zombie | Maintenance | Zombie | - | Zombie | - |
| Update Cadence | 2 versions, ~0d avg | - | 1 versions | 2 versions, ~3d avg | 2 versions, 2 majors/6mo, ~1d avg | 2 versions, ~1d avg | 5 versions | - | 2 versions, ~449d avg | - |
