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Every retirement decision, projected together

Change your Social Security age and see how it shifts your Roth conversion window, your tax bracket, and your Medicare costs. All at once. That is how ThunderHarbor works. Premium unlocks every layer of the projection.

One-time offer — each account can use the $3.99 trial once.

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  • My Situation: full portfolio snapshot with projected retirement readiness
  • My Retirement: interactive retirement age explorer
  • On Track: log actual spending and withdrawals to keep the projection grounded in reality
  • Today's Actions: ranked action plan based on your numbers

Premium

Early access

$47

$79.99

/year · forever

$47/year locked for life. Never increases as long as you stay subscribed.

Tax Strategy

  • Roth Strategy: How much to convert each year without triggering IRMAA or crossing the ACA cliff
  • Tax Cliffs: See which years your income crosses a threshold and exactly what it costs
  • Retirement Plan Optimizer: Whether pre-tax or Roth contributions save more tax over your lifetime

Income & Healthcare

  • Social Security: Which claiming age wins for your numbers, including survivor benefit impact
  • Healthcare: The exact income level where you lose the ACA subsidy and what IRMAA costs you
  • SEPP Planner: Access your IRA before 59½ — all 3 IRS methods compared with your actual balance
  • RMD Analyzer: How large your forced withdrawals will be and whether they push you into a higher bracket

Risk & Longevity

  • Risk Analysis: The probability your plan survives to 95 across 1,000 different market sequences
  • Bucket Strategy: How much cash to hold in each bucket so you never sell stocks at the wrong time
  • Life & Spending: Go-Go, Slow-Go, No-Go phase modeling with long-term care cost planning

Planning & Reporting

  • What-If Workshop: Test any scenario instantly — retire earlier, change spending, move states
  • Projection Table: Every year to age 95: exactly where the money comes from and where it goes
  • Compare Scenarios: Which decision moves the needle most — side-by-side across up to 5 strategies
  • Legacy Planning: What your heirs owe on inherited accounts and whether Roth conversion changes that
  • Inherited IRA: Full 10-year forced distribution schedule with year-by-year tax cost
  • Full Report: Complete written plan with a shareable live link for your advisor
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