201+ iOS apps curated and reviewed
If you already know Battery Master 12V, this is the deeper bench. 201+ battery master 12v apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.4★ (5) | No | No | May 2026 |
| 2 |  | Free | 4.5★ (2.6K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.6★ (2.9K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.5★ (12K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.6★ (34K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.5★ (1.5K) | No | Yes | Aug 2026 |
| 7 |  | Free | 3.7★ (1.5K) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.6★ (23K) | Yes | Yes | Aug 2026 |
This tool detects and tests lead-acid batteries, assessing CCA and health. It calculates remaining battery life based on temperature and CCA data. Users can also test cranking and charging systems, with all results shareable and printable.
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.
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.
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.
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.
Transform your phone's charging experience with dynamic, high-definition animations and live wallpapers. Customize battery colors and fonts to make charging exciting and visually appealing. Track your charge percentage with precision.
This utility app acts as a digital multimeter for your device. It measures power consumption, monitors battery charge and discharge rates, and evaluates charger and cable quality in real-time.
This app provides detailed information about your phone's hardware and system. It offers real-time CPU frequency, network details, memory usage, and device specifications. Discover more about your mobile device's capabilities and performance.
Monitor your device's battery health and optimize its lifespan. Get detailed charge status, remaining usage times for various activities, and helpful tips to extend battery life. Features include charge alerts and a maintenance function for better battery performance.
Optimize your phone's performance by managing background processes that drain battery life. Monitor battery status, charging history, and remaining usage time. Includes internet speed tests and device information.
Optimize your device's power usage with intelligent analysis and advanced charging data. Track your charging habits, receive battery health tips, and access detailed settings to maximize your phone's longevity.
Measure your device's charging speed with different chargers, cables, and wireless sources. Track app battery usage, estimate remaining time for activities, and compare charging accessories to find the best ones.
Monitor and manage your lithium battery's health and performance. Optimize charging and discharging cycles to extend battery lifespan. Get detailed insights into your battery's status.
Analyze your device's battery health and performance with advanced diagnostics and stress tests. Monitor real-time telemetry, compare benchmark scores globally, and access a detailed system specs catalog. Export data for in-depth analysis.
Monitor your iPhone's battery level directly from your Apple Watch. Offers beautiful complications for easy tracking and ensures secure, cloud-free communication between devices. Unlock all features with a subscription after a free trial.
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 app tracks your device's battery usage over time and uses your historical data to predict future battery levels. It's designed for low energy consumption and offers customizable notifications to help you manage charging times.
Enhance your Tesla ownership with detailed tracking, powerful automations, and real-time diagnostics. Monitor trips, battery health, charging, and receive important event notifications. Integrate with smart home systems and control your vehicle from various devices.
Access live status information and configure compatible Victron devices. View historical data, update firmware, and explore features through a demo mode. Requires Bluetooth Low Energy.
Monitor your boat's marine batteries and portable sonar batteries via Bluetooth. Receive real-time alerts for charge, voltage, and maintenance needs. Features Deep Sleep™ to prevent discharge and custom grouping for easy identification.