About this app
Solar ROI Calculator helps solar installers and homeowners evaluate the financial return of a residential or commercial PV system. # Features - System cost and size in kW - Annual production estimate (kWh) - Electricity rate ($/kWh) with annual escalation rate - Federal Investment Tax Credit (ITC) and state incentives - Annual maintenance cost - Financing options: cash purchase or loan with custom term and interest rate - Panel degradation rate per year - Analysis period in years (e.g. 25-year warranty) - Calculated outputs: net cost after incentives, year-1 savings, simple payback, total net savings, ROI %, LCOE, monthly loan payment, break-even year # For Solar sales reps, EPC contractors, homeowners, financial analysts, energy consultants. # Optional Pro Upgrade - $2.99 one-time in-app purchase Pro unlocks history, dark mode, PDF export with full financial breakdown, and removes ads. One-time purchase. OPTIONAL PRO UPGRADE - $2.99 ONE-TIME IN-APP PURCHASE The following features require a separate one-time in-app purchase. They are not required to use the calculator: - Unlimited saved calculation history - PDF export of results - Dark theme - Ad-free experience
Latest release
What’s New
- Fixed cross-app links: tapping another SolarTools app in More Tools now opens its App Store page on iPhone and iPad. - Minor stability improvements.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Oct 16, 2026 · 4:59 PM $0.99
Screenshots
