ToolsOnlineApp vs Wattcrunch
Neck and neck on boosts. Profiles, pricing and deals below.
ToolsOnlineApp
Free Browser-Based Utilities
community boosts
⚡ 0
pricing
Freemium
what it is
Free online tools for everyday tasks. Simple, fast, secure and easy to use. Works entirely in your browser – your data stays with you.
Wattcrunch
Free Solar Calculators & Incentive Finder
community boosts
⚡ 0
pricing
Paid
what it is
Estimate solar panel size, cost, savings, payback, and incentives with free US solar calculators using NREL PVWatts data and current 2026 rules.