| Core Identity |
| Developer | 婷婷 乔 | Bastiaan Modderkolk | Overkill Solar LLC | Shenzhen Maicheng Technology Innovation Co.,Ltd | e77code GmbH | Shenzhen Litime Technology | nakhon phagdeechat | Tripti Kumari | Plaato Technologies AS | 98 Soft |
| Category | Utilities | Utilities | Utilities | Utilities | Productivity | Lifestyle | Utilities | Productivity | Utilities | Tools |
| Platform | Android, iOS | iOS | iOS, Android | iOS, Android | iOS | iOS, Android | iOS | iOS | iOS, Android | Android |
| Store Metrics |
| Rating | 0.0 / 5 | 4.6 / 5 | 4.7 / 5 | 2.8 / 5 | 3.6 / 5 | 2.8 / 5 | 4.0 / 5 | 4.4 / 5 | 3.2 / 5 | 2.7 / 5 |
| Ratings Count | 0 | 2,924 | 19 | 46 | 66 | 199 | 342 | 83 | 21 | 275 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Dec 6, 2023 | Oct 16, 2019 | Nov 14, 2022 | Apr 26, 2024 | May 3, 2018 | Nov 30, 2023 | Mar 2, 2016 | Nov 11, 2020 | Jun 30, 2018 | Aug 28, 2023 |
| Last Updated | Apr 8, 2026 | May 7, 2026 | Jun 10, 2025 | Jul 8, 2025 | Apr 21, 2024 | May 8, 2026 | May 5, 2024 | Sep 13, 2022 | Jun 24, 2025 | Mar 20, 2026 |
| Sentiment & Reviews |
| Sentiment | negative | - | positive | mixed | negative | negative | - | - | negative | - |
| Score | 25/100 | - | 75/100 | 35/100 | 35/100 | 35/100 | - | - | 35/100 | - |
| Praises | - Basic functionality provides value for users who successfully establish a stable connection
| - | - Advanced battery management features provide superior control compared to manufacturer-provided applications
| - Bluetooth connectivity provides reliable real-time monitoring of battery state for remote power systems
| - Core battery management functionality provides useful data for DIY energy storage projects
| - Sleek and intuitive interface design
| - | - | - The fermentation monitoring concept provides helpful data for homebrewers tracking activity remotely
| - |
| Complaints | - Bluetooth and Wi-Fi connectivity failures prevent users from accessing critical battery data
- Lack of administrative password documentation prevents users from modifying essential network settings
| - | - Persistent location and media permission prompts disrupt the user experience during daily operation
| - Mandatory account login requirements prevent offline access to critical battery data during field use
| - Aggressive monetization tactics require recurring payments to access basic configuration settings
| - Bluetooth connectivity stability issues
- Lack of advanced configuration tools
| - | - | - Persistent connectivity failures prevent the device from recognizing local wireless networks
- Inaccurate sensor data and fixed graph limits render the monitoring features unreliable
- Frequent UI regressions and settings resets disrupt the user experience post-update
| - |
| Requests | - Clearer documentation or support for administrative credentials to manage battery network settings
| - | - Persistent storage for favorite battery devices to enable quick switching between multiple units
| - Individual cell voltage monitoring is required to properly manage battery health and balancing
| - | - Wi-Fi remote monitoring support
| - | - | - Interactive graph controls including pinch to zoom and manual axis adjustment
| - |
| Strategic Intel |
| Strengths | - Specialized BMS hardware integration provides deeper diagnostic control than generic battery monitoring apps
- Preset warning values for over-current and over-temperature provide industrial safety features
| - | - Proprietary .fig file format creates high switching costs for complex solar arrays
- Open-access parameter tuning justifies hardware purchase for power users
| - Proprietary remote discharge control creates a hardware-locked moat
- QR code pairing reduces initial setup friction
| - 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
| - 10-language library functions as a B2B distribution barrier into international markets
- Clean interface reduces technical entry barriers for casual users
| - | - | - Proprietary hardware-software integration creates high switching costs
- CO2-based fermentation monitoring provides a unique data set not available in standard airlocks
| - |
| Weaknesses | - 1.9★ rating on Android indicates severe connectivity instability
- Lack of administrative password documentation prevents essential network configuration
- No historical data logging features
| - | - 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
| - Mandatory login prevents offline access in field scenarios
- Lack of concurrent multi-battery monitoring limits system management
| - 3.57 rating indicates significant user dissatisfaction
- Configuration-save failures erode trust in core utility
- Pay-gating basic settings drives negative sentiment
| - 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
| - | - | - 0.9★ rating gap between iOS and Android platforms
- Persistent network pairing failures reported in high-frequency reviews
- Settings-reset bug disrupts long-term batch tracking
| - |
| Pricing | free | free | free | free | freemium | free | free | free | free | free |
| Momentum | Maintenance | - | Zombie | Zombie | Zombie | Maintenance | - | - | Maintenance | - |
| Update Cadence | 2 versions, ~1d avg | - | 2 versions, 2 majors/6mo, ~1d avg | 2 versions, ~3d avg | 1 versions | 2 versions, ~1d avg | - | - | 2 versions, ~82d avg | - |