229+ iOS apps curated and reviewed
The best generator sizing app apps on iPhone average 4.2★ across 229+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
Monitor and control your home standby generator and propane tank remotely from your smartphone or tablet. Receive real-time status updates, customize notifications, track maintenance, and gauge fuel levels for guaranteed power.
This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.
This tool helps you properly size power generators and lighting towers. It features a new module for recommending ideal generator and energy storage combinations, simulating performance, and calculating cost savings. It also includes wire sizing and noise level measurement functionalities.
Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.
Control your compatible Honda generator remotely. Start or stop the engine, monitor power output and fuel levels, and manage Eco Throttle. Receive important alerts for errors and maintenance.
Monitor and control your KOHLER standby generator remotely from anywhere. Schedule test cycles, access historical logs, and track maintenance records for peace of mind. Get support directly through the app.
Control your RV generator remotely via Bluetooth. Start or stop the generator automatically based on temperature and battery levels, or manually. It also offers optional door lock/unlock functionality if your control module is wired for it.
Control which appliances are powered by your backup generator during an outage. Seamlessly manage your home's backup power from your phone to keep your family comfortable.
Manage your energy accounts conveniently from your mobile device. View and pay bills, report outages, track energy usage, and access customer support. Save money with energy-saving offers.
This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.
Monitor, manage, and optimize your portable power devices from anywhere. Track battery levels, control ports remotely, and receive instant notifications for power events. Fine-tune settings for smart power management and access helpful guides and support.
Manage your electricity account with ease. View billing and usage, make payments, and access energy-saving tips. Stay informed about power outages with an interactive map and find payment locations.
Manage your electricity account securely with biometric login. Report outages, track restoration, and receive bill notifications. Monitor energy usage and view projected costs.
Manage your electricity account with detailed usage tracking, bill payment, and smart home device integration. Monitor electricity, solar, and EV usage, receive alerts, and adjust your thermostat remotely. Access account essentials and get 24/7 customer support.
Instantly calculate HVAC duct sizes based on airflow, friction rate, or velocity. This tool provides accurate duct dimensions in seconds without needing charts, supporting various duct types and units.
Monitor and control your Jackery power stations and solar devices remotely. Track energy data, battery levels, and power flow in real-time. Receive firmware updates and manage device sharing with family.
Monitor your home's energy consumption and solar system performance. Earn rewards for smart energy choices, gain insights into usage trends, and access personalized savings tools. Connect with expert support and refer friends for cash rewards.
Manage your electricity account conveniently from your mobile device. View bills, make payments, track usage history, and receive important alerts. This free app provides secure, on-the-go access to your account details and service requests.