RentValo is rental property analysis software that evaluates investment opportunities by comparing tax regimes and projecting long-term financial outcomes. It analyzes tax structures like micro-foncier, LMNP real, LMP, SCI IS/IR, and Loc'Avantages using verified data from the French property registry for accurate calculations. Users input property details such as price, location, rental income, financing terms, and expenses through a guided form. The platform generates projections, calculates net cash flow after taxes, and identifies strengths and weaknesses in investment scenarios using Lylia, an AI module powered by Claude from Anthropic. Features include energy performance tracking with DPE alerts, a credit simulator for monthly cash flow, and AI-powered text extraction for importing property listings. RentValo provides exportable reports, visualizes wealth evolution, determines optimal resale timing, and calculates internal rate of return metrics with 2026 tax regulations.