Most AI tools give you a wall of text. KnowledgeNav gives you a real interactive plan: sliders, comparison tables, budgets, checklists, calendars, and charts that recalculate live as you adjust constraints. Grounded in reality with live web results, real calculations, weather, local places, and your own documents. Runs on two AI providers with automatic fallback. Optional memory remembers context across visits, fully under your control. Free: 3 plans/month. Pro: $8/mo.