Instantly check your iPhone's battery status from your Apple Watch. Ideal for when your phone is out of sight, charging, or during workouts. Features a clean, animated interface and quick access via Glance.



244+ iOS apps curated and reviewed
Battery Monitor is the household name in battery monitor bluetooth, but it's far from the only option. We track 244+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | Yes | Jul 2026 | |
| 2 | Free | 4.7★ (9) | — | No | May 2026 | |
| 3 | Free | — | No | No | May 2026 | |
| 4 | Free | 4.1★ (59) | No | No | Aug 2026 | |
| 5 | Free | 4.0★ (23) | No | No | May 2026 | |
| 6 | Free | 3.2★ (61) | No | No | Aug 2026 | |
| 7 | Free | — | No | Yes | May 2026 | |
| 8 | Free | 4.5★ (2.3K) | No | Yes | Aug 2026 |





Instantly check your iPhone's battery status from your Apple Watch. Ideal for when your phone is out of sight, charging, or during workouts. Features a clean, animated interface and quick access via Glance.








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.


This utility app monitors the health of Lithionics batteries via a Bluetooth BLE connection. It requires a compatible battery with a factory-installed BLE module for operation.


Monitor your smart Bluetooth lithium batteries wirelessly from your phone. Track key metrics like state of charge, voltage, current, and temperature. Connect to multiple batteries simultaneously and view their data.


Monitor the battery levels of up to four devices with a clean, intuitive interface. Receive notifications for charging completion, low battery, and discharge limits. Supports widgets and dark mode for a seamless experience.


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.


Monitor your vehicle's battery in real-time via Bluetooth. Check cranking and charging system voltage to ensure your battery is in optimal condition. View all data directly on your mobile device.




Monitor and manage your smart Bluetooth lithium batteries in real time. View battery health, charging status, voltage, current, temperature, and individual cell voltages from your phone. Track battery cycle life and switch between multiple batteries easily.


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 and diagnose your device's battery health with advanced analytics. Track charging sessions, thermal levels, and usage patterns to extend battery life and maintain peak performance. Features include detailed visualizations, cycle count tracking, and customizable widgets.




Monitor your battery's voltage, current, capacity, and remaining time via Bluetooth. Offers basic parameter settings to help protect your battery or battery bank.






Monitor the battery levels of up to four devices with a clean, easy-to-read interface. Get notifications for low battery and customize alerts. View charging status and historical battery data.

