I’m not a developer by trade. I run a landscaping company and built this on nights and weekends with Lovable and Claude. What it does: paste your funds and weights and get a free A–F grade. You also see fund overlap, what your fees cost over 30 years, how your mix did in 2008, 2020 and 2022, and how often it beat the S&P 500 across every 5- and 10-year window. No signup. What changed this week, mostly from Reddit feedback: Price history goes back 30+ years where funds exist (it was 10) Grades got much stricter. An A is rare now A methodology page with every formula and a worked example, so you can check the math by hand I tested the optimizer on years it never saw. Its “better” mixes didn’t beat people’s own portfolios on average, so the report now says that plainly What I’d love feedback on: Is the free result useful on its own? Is anything confusing on a phone? What would make you trust the numbers more? portfoliooptimizerpro.com (there’s a Feedback button on every page, and I read all of it) Educational tool, not investment advice.   submitted by   /u/InsidersBets [link]   [comments]