Smart Roth Conversions.
Finally Simple.

Automatically optimize your Roth ladder while correctly accounting for ACA premium subsidies, IRMAA surcharges, RMDs, and full state + federal taxes — all in one clean, real-time interface.

Start Free – No Credit Card Required

Why Retirees Choose Nest Optimizer

True All-in-One Optimization

Other tools make you manually cap brackets or ignore ACA/IRMAA entirely. We calculate the real after-tax, after-subsidy sweet spot automatically.

Real-Time What-If Sliders

Change spending, returns, longevity, or move Roth amounts — every chart updates instantly. No re-running projections.

Beautiful, Clear Charts & AI Reports

See cashflow, taxes paid, ACA premiums, IRMAA tiers, and portfolio balances year-by-year. Get a plain-English summary generated by AI.