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Eerlijk over Thuisbatterijen vs WorthCay

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Eerlijk over Thuisbatterijen compared with WorthCay
DetailEerlijk over Thuisbatterijen logo Eerlijk over ThuisbatterijenWorthCay logo WorthCay
What it doesIndependent calculator to check if a home battery pays for itself in your situation Free Coast FIRE calculator to track your progress toward financial independence
StageNot given Not given
FoundedNot given Not given
Based inNL Not given
Pricing modelFree Freemium
PricingNot given Free plan with 90-day trial: up to 20 accounts, 3 months snapshot history, multi-currency support, advanced charts, data export. Premium Monthly: $6/month with unlimited accounts and unlimited snapshot history. Premium Yearly: $59.99/year with all features unlocked.
Key features
  • Compares battery models from 23 brands on payback time and net result after 15 years
  • Calculates with real hourly EPEX prices for dynamic energy contracts
  • Processes the end of net metering from 1 January 2027
  • Provides negative buying advice if purchase is not worthwhile
  • No account or email required
  • Generates 10-page PDF advice report with lowest prices from 11 shops
  • Free 22-page PDF handbook about home batteries
  • Analyzes consumption and solar generation hour by hour for full year
  • Three scenarios: pessimistic, most likely and optimistic outcomes
  • Updates prices from 11 online shops every morning automatically
  • Coast FIRE calculator
  • FIRE number calculator
  • Progress tracking over time
  • What-if scenario testing
  • Multi-currency support
  • Advanced charts and analytics
  • Data export in JSON and CSV
What makes it different
  • Truly independent: sells no batteries, has no arrangements with installers, publishes negative buying advice
  • No personal data collection: zero signup required, immediate results without email
  • Built from personal need: creator did his own calculations after a misleading sales pitch
  • Comprehensive research: 384 example households analyzed in 26,112 calculations
  • Shows all calculation assumptions: transparent methodology with public data sources
  • Organizes multiple real account types to match actual portfolio structure
  • No signup required to run calculator; optional account for saving progress
  • Immediate what-if analysis without reentering data
Community votes00
DR (Domain Rating by Ahrefs)17 +2 (up) since last check9 no change since last check
Trust Flow (Majestic)180
Citation Flow (Majestic)2418
Referring domains (Majestic)1810

4 details filled in for both companies.

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