Thy.Finance provides free financial calculators for individuals and planning software for certified financial planners (CFPs). Its website offers more than 25 browser-based tools, including retirement, mortgage, compound interest, 401(k), savings goal, and loan calculators. The calculators require no signup, work on phones and tablets, and process figures locally in the user’s browser. The company says its calculations are checked with more than 1,000 automated tests.

For CFPs, Thy.Finance combines planning tools with client and practice features. Its software includes account syncing, AI-powered PDF statement extraction, cash-flow projections, multi-scenario planning, and Monte Carlo retirement simulations. Other capabilities cover Social Security optimization, Roth conversion planning, tax-loss harvesting, pension analysis across all 50 states, and estate planning for 16 trust types. It also offers IRMAA-aware qualified charitable distribution planning, separate spouse logins, a client portal with document storage, white-label customization, and integrated billing. Pricing starts at $50 per month, with additional charges per client for OCR and account syncing. Thy.Finance emphasizes privacy, tested calculations, and pricing designed to scale with a practice.