Monitor your battery bank's performance with this application. View state of charge, voltage, capacity, and cycle count. Set custom parameters to act as a fuel gauge for your batteries.



194+ iOS apps curated and reviewed
The best aims power battery monitor apps on iPhone average 4.3★ across 194+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 1.7★ (3) | No | No | May 2026 | |
| 2 | Free | 4.4★ (7.7K) | Yes | Yes | Jul 2026 | |
| 3 | Free | 4.7★ (927) | — | No | Jul 2026 | |
| 4 | Free | 4.5★ (2.6K) | Yes | No | Jul 2026 | |
| 5 | $3.99 | 4.8★ (5.3K) | No | No | Jul 2026 | |
| 6 | Free | 4.6★ (33K) | Yes | Yes | Jul 2026 | |
| 7 | Free | 2.9★ (23) | No | No | May 2026 | |
| 8 | Free | 4.5★ (12K) | Yes | Yes | Jul 2026 |



Monitor your battery bank's performance with this application. View state of charge, voltage, capacity, and cycle count. Set custom parameters to act as a fuel gauge for your batteries.






Optimize your device's battery health with professional charging tips and monitoring tools. Extend battery life, prevent overcharging, and manage storage by cleaning up duplicate photos and videos. Features include battery calibration and magic charging animations.




This app displays your device's current battery percentage and offers comprehensive system monitoring. Track CPU usage, RAM, network activity, and system uptime with detailed graphs and statistics.


This app provides a detailed battery monitoring experience for your phone or tablet. It offers calibration features for increased accuracy and displays estimated usage times for various activities, from listening to music to GPS navigation. It also includes charge alerts and a widget for quick access to information.


Monitor your iPhone and iPad's performance with detailed insights into CPU, memory, disk, battery, and network usage. View real-time graphs, hardware specs, and system details. Export data via email or AirPrint.


Monitor your iPhone and Apple Watch battery levels and runtimes with detailed insights. Receive customized notifications for charging and low battery alerts. View battery data at a glance on your watch or via widgets.


Monitor your device's battery in real-time. Get estimates for how long you can perform various activities like watching videos, browsing the internet, or talking on your phone. Customize the battery's appearance with a color wheel.


This app helps you understand your iOS device's battery performance. It identifies battery runtimes and provides data to help you determine if your battery needs replacement. Monitor your device's battery health and runtime with detailed insights.


This app provides in-depth battery diagnostics for Apple devices. It analyzes analytics logs to reveal battery health, charge cycles, and capacity details, offering insights beyond standard system information.


Monitor your device's core performance metrics with this utility app. It provides real-time information on battery status, disk usage, CPU load, and network connections. Customize your view with light or dark themes and receive instant updates on system changes.


This app provides detailed battery monitoring for your phone or tablet, offering insights into remaining usage time for various activities. It features calibration options to enhance accuracy and provides alerts for charging status.


Optimize your device's battery life, analyze WiFi networks, monitor system performance, and detect Bluetooth devices. This free tool provides insights into battery health, RAM usage, storage, and network traffic to keep your phone running smoothly.


Monitor your device's health with this comprehensive tool. Track memory, battery performance, storage, and network details. Get detailed camera information and helpful battery-saving tips to optimize your iPhone.


This app alerts you when your device reaches a desired battery charge level, preventing overcharging. Customize alarms, view charge status, and access historical data. Supports dark mode and Apple Watch.


Monitor your device's battery life with detailed time estimates for various activities like music, video, calls, and internet browsing. Receive audible alerts when charging is complete.


Monitor battery levels for all your Apple devices and Bluetooth accessories in one place. Get customizable alerts and view battery history with trend visualization. Seamlessly sync data across your devices via iCloud and display levels with beautiful widgets.


This app provides detailed battery information for your iPhone and iPad, including remaining hours for various activities. Customize the visual display with fluid animations and color options. Receive alerts when your device is fully charged.


Monitor your iPhone and Apple Watch battery levels directly from your wrist. Receive customizable notifications for charging status and low battery alerts. View both device battery levels on a single complication for easy access.


Monitor your vehicle's battery in real-time via Bluetooth. Test cranking and charging systems to understand your battery's health. View all data directly on your mobile device.


Monitor your home's energy production and consumption in real-time. Track solar generation, battery capacity, and daily energy usage to understand your system's performance and potential savings.