Comparison

Ferret Tools vs GenCheck

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ferret Tools

View and record live video from your inspection camera. This app allows you to capture photos and videos of hard-to-reach areas. Requires a separate Ferret inspection camera to function.

Highlights
  • Live video streaming
  • Photo capture
  • Video recording
  • Inspection camera control
Features
Read full description

A Ferret inspection camera is required to use this App – sold separately. Need help? Please visit ferrettools.com/support

About

GenCheck

Safely manage generator capacity during power outages. This app helps you determine which devices your generator can power, avoid overloads, and follow critical safety guidelines. It works with any generator type and offers offline functionality for emergencies.

Highlights
  • Generator setup wizard
  • Offline 'Storm Safe' mode
  • Extensive generator database
  • Household device wattage library
  • Real-time capacity monitoring
  • Safety checklists and guidelines
  • Personalized scenario configurations
Features
Read full description

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/

Screenshots

Ferret Tools4 screens
GenCheck4 screens

Verdict

The call

The clearest difference is price: Ferret Tools at Free against GenCheck's $3.99. Ferret Tools also leads on in-app purchases (none vs 1) and ratings volume (23 vs 1). GenCheck's advantage is rating (5.0 vs 3.1) and update cadence (every 2 days vs every 6 weeks). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Ferret Tools is free to download; GenCheck costs $3.99 up front. GenCheck sells 1 in-app purchase, starting at $3.99 per year. Ferret Tools asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

GenCheck holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Ferret Tools has 23 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Ferret Tools ships an update every 6 weeks, GenCheck every 2 days. The most recent releases landed on September 30, 2026 and September 18, 2026 respectively.

Scorecard7 real differences · 3 level
Ferret Tools versus GenCheck: the parameters behind the verdict, then further details
ParameterFerret ToolsGenCheck
PriceFree — better$3.99
Rating3.1 (23 ratings)5.0 (1 ratings) — better
Positive reviews26.9% of reviews—
Number of ratings23 — better1
Update frequencyEvery 6 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15 — better17.6
Further details — not scored
Size31 MB4 MB
Age rating4+17+
DeveloperThe Cable Ferret Company LimitedKevin Donahue

Customer experience

Ferret Tools

All ratings23 ratings
Positive47.8%
Neutral8.7%
Negative43.5%
Written reviews26 reviews
Positive26.9%
Neutral3.8%
Negative69.2%

GenCheck

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Ferret Tools

No in-app purchases

1 purchases

GenCheck

Subscriptions1
  • GenCheck Annual3 Days trial$3.991 Year

Questions

Is Ferret Tools free?
Ferret Tools is free to download, with no in-app purchases.
Is GenCheck free?
GenCheck costs $3.99, and also offers in-app purchases.
Which has better reviews, Ferret Tools or GenCheck?
GenCheck is rated higher. Ferret Tools averages 3.1 out of 5 from 23 ratings, while GenCheck averages 5.0 from 1 ratings.
Do Ferret Tools or GenCheck have ads?
Neither Ferret Tools nor GenCheck shows ads.
Which is updated more often, Ferret Tools or GenCheck?
Ferret Tools ships an update every 6 weeks, and GenCheck every 2 days. Most recently, Ferret Tools was updated on September 30, 2026 and GenCheck on September 18, 2026.

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