GenCheck
Universal Generator Calculator
AED 14.99 · In-App Purchases · Designed for iPad. Not verified for macOS.
Works with all generators. Safely power your home with a portable generator during storms & outages. Easily calculate power loads - no internet needed. 3-Day Free Trial
POWER WHAT MATTERS
GenCheck helps homeowners safely manage generator capacity during power outages. Know exactly which devices your generator can power, avoid dangerous overloads, and follow critical safety guidelines—all in one professional app that works with any gas, propane, solar, or electric battery inverter generator.
The innovative 'Storm Safe' mode ensures the app always works, even without an internet connection! Fuel Load shows how long your generator will run under load. Don't face an outage without it.
PERFECT FOR:
Hurricane & storm preparation
Power outage planning
First-time generator owners
Emergency preparedness
Homeowners in Florida, Louisiana, Texas, the Gulf Coast, the Bahamas, Puerto Rico, Mexico, and storm-prone regions
KEY FEATURES
Guide Me Mode - Step-by-step wizard walks you through generator setup, cord safety, device selection, and critical safety reviews. Perfect for occasional users and storm preparation.
Storm Safe Mode - Fully functional with or without an internet connection. Don't rely on an app that won't work when your wifi is disconnected!
Generator Database - Choose from hundreds of the most popular generators from Honda, Generac, Champion, Westinghouse, Predator, Anker, Jackery, and more. Model not listed? Enter custom specifications for any model: track running watts, peak watts, and fuel type.
Device Library - Select from dozens of pre-loaded household items, appliances, and tools with accurate wattage ratings. Add custom devices with ease. Track quantity for multiple items.
Real-Time Capacity Monitor - See instant feedback on your generator's capacity usage and remaining fuel time. Visual gauges show running load and startup surge requirements. Get immediate warnings if you exceed safe limits.
SAFETY CHECKLISTS
Comprehensive safety protocols covering:
Pre-operation checks
Safe starting procedures
During operation monitoring
Proper shutdown steps
Storage & maintenance
CRITICAL SAFETY FEATURES
Carbon monoxide poisoning prevention
Backfeed electrocution warnings
Proper positioning guidelines (20+ feet from home)
Extension cord capacity requirements
GFCI protection education
Refueling safety protocols
EMERGENCY RESOURCE LINKS
CDC Generator Safety Guidelines
FEMA Disaster Assistance
National Weather Service
National Hurricane Center
Electrical Safety Foundation
Emergency contact numbers
PERSONALIZED CONFIGURATIONS
Create and save multiple setups for different scenarios:
Hurricane evacuation
Extended power outage
Winter Storm Mode
Essential devices only
Full home backup
STORM RELIEF
During emergencies, redeem offer codes for extended free access. We support affected communities when they need it most.
AFFILIATE LINKS
This app includes affiliate/commission links for products we recommend. If you choose to purchase through these links, we may earn a commission at no additional cost to you.
WHO NEEDS GENCHECK?
If you've ever asked yourself:
"Can my generator handle my refrigerator AND my AC?"
"Am I operating my generator safely?"
"What's the difference between running watts and starting watts?"
"How do I prevent carbon monoxide poisoning?"
"Which devices should I power first?"
GenCheck provides clear, professional answers backed by official safety guidelines from CDC, FEMA, and OSHA.
EDUCATIONAL & INFORMATIVE
GenCheck is designed as an educational tool, not a replacement for professional assessment. Always consult:
SUBSCRIPTION DETAILS
3-day free trial
$3.99/year after trial
Cancel anytime
Storm relief codes are available during emergencies
No credit card required for trial
STORM SEASON READY
Winter Storm Season runs December 1 - March 30. Atlantic Hurricane Season runs June 1 - November 30.
Download GenCheck before the next storm to ensure you're prepared. Join thousands of homeowners who power what matters safely.
Support, Privacy, FAQs: https://www.gencheck.com
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
* More than 200 electric, gas, propane, and solar battery generators pre-loaded in the Generator Database
* Fuel estimates now estimate run time under configured load
* Top Rated Generators displays highly recommended models
The developer, Kevin Donahue, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Chez Mer Studios, LLC
- Size
- 3.7 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
- English
- Age Rating
16+
- 16+
- In-App Purchases
Yes
- GenCheck Annual AED 14.99
- Copyright
- © Chez Mer Studios
