226+ iOS apps curated and reviewed
The best check charge apps on iPhone average 4.4β across 226+ titles β we've ranked them by what real users actually keep on their phones. Updated May 2026.
This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.
This app provides HVACR technicians with essential tools and information for field service. It includes refrigerant calculators, troubleshooting guides, product finders, and access to spare parts. Listen to educational podcasts to enhance your knowledge on the go.
This tool simplifies HVAC/R technician tasks by calculating pressure/temperature relationships, superheat, and subcool. It automatically adjusts for altitude and offers English/Metric units. Easily access favorite refrigerants and supplementary information.
Measure your device's battery charging speed to compare different cables, chargers, and sources. Optimize your charging setup and receive notifications when your desired battery level is reached.
Personalize your charging experience with custom sounds and animations. This app also offers tools to test charging speed, estimate battery life, and provide maintenance tips.
This app offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.
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.
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.
Prepare for HVAC certification exams with this comprehensive app. It offers realistic simulations, detailed progress tracking, and error analysis to help you master all exam categories. Enjoy an ad-free learning experience with saved favorites and intensive practice modes.
This app serves as a comprehensive resource for HVAC technicians, offering a podcast, tech tip articles, and interactive calculators. It aims to enhance knowledge of HVAC theory, industry updates, and essential mathematics for both current and aspiring professionals.
Prevent overcharging your phone with a full battery alarm. This app notifies you with a ringtone or notification when your battery reaches 100%, helping to maintain battery health and save energy. It also provides charging history and status updates.
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.
Manage your electric vehicle charging and potentially save money. Connect your National Grid account and link your vehicle or charger to enroll in the program.
Estimate remaining battery life for various activities like gaming, video, or internet browsing. Get detailed usage statistics to gauge how much time you have left for specific tasks on your device.
Easily create and print professional checks directly from your mobile device. Manage your written checks and securely back them up via iCloud. Offers a free version with limitations and a Pro subscription for unlimited features.
Manage your electric vehicle charging experience, whether at home or on the go. Monitor charging sessions, track energy costs, and optimize charging schedules. Find and use public charging stations with ease, including real-time availability and navigation.
This app provides on-demand portable power bank rentals across Europe. Find convenient rental stations in cafes, bars, and transit hubs to charge your device on the go. Rent, charge, and return easily at any station in the network.
