Retirement & financial planning

Know if you're on track to retire — in minutes.

Retirement Fastlane is a mobile-first planning app with an On Track Score, retirement projections, Coast FIRE and Social Security tools — free to start. Upgrade to AI-powered Premium for $9.99/month.

Premium: $9.99/mo after a 7-day free trial. Card required; auto-renews. Details

Dashboard · sample data

82/100

On Track Score

Nest egg at 65
Projected
Sustainable income
Per year

Illustration only.

Plans

Free planning. AI-powered Premium.

Free
$0 forever

Core planning tools:

  • Dashboard & On Track Score
  • Retirement projections
  • Coast FIRE calculator
  • Social Security timing
  • Goals, portfolio suggestions & cash yield simulator
  • Plan saving
Open the app — free
Premium · AI-powered7-day free trial
$9.99/month

Everything in Free, plus:

  • AI retirement insights
  • AI scenario analysis
  • Roth conversion window analysis
  • Sequence-of-returns stress test
  • Monte Carlo success probability
  • Named scenarios
  • Tax-loss harvesting estimator
Start 7-day free trial

Credit card required. Auto-renews at $9.99/month unless cancelled before the trial ends. Cancel anytime in the Stripe Customer Portal.

Premium · AI-powered

Meet your AI retirement co-pilot

Premium adds AI-generated educational insights that explain your plan in plain English — what's driving your On Track Score, where the risks are, and how your scenarios compare.

  • AI retirement insights & narratives
  • AI scenario analysis — ask "what if I retire at 62?"
  • Backed by Monte Carlo, stress tests, and Roth conversion analysis

Insights are AI-generated for education only. They can be wrong, are not personalized investment, tax or legal advice, and should be verified with a qualified professional.

Start 7-day free trial

Insights · sample

What happens if I retire at 62 instead of 65?
AI insight (sample): Retiring 3 years earlier means fewer years of contributions and more years of withdrawals. In this sample plan, the On Track Score falls and early market drops matter more. Delaying Social Security could offset part of the gap — compare both in Scenarios.

Illustration only. Educational, not advice.

Features

Everything you need to plan, free

Free

Dashboard & On Track Score

See at a glance whether your plan is on track.

Free

Retirement projections

Nest egg, sustainable income, and a projection chart.

Free

Coast FIRE calculator

Find the point where growth alone can carry you to retirement.

Free

Social Security timing

Compare claiming at 62, 67, and 70.

Free

Goals, portfolio suggestions & cash yield simulator

Basic tools to set targets and model cash yields.

Free

Plan saving

Save your plan locally and on the server.

See all features →

Feature tour

Five screens, one clear plan

Free

Dashboard screen

Your On Track Score, projected nest egg, and sustainable income in one glance.

Try it here

Two tools from the app, live on this page

Simplified demos for illustration only. The app uses your full plan.

Coast FIRE calculator

Social Security: 62 vs 67 vs 70

Assumes full retirement age 67 (70% at 62, 124% at 70), no COLA, taxes or discounting.

More tools

Explore before you sign up

Retirement savings projection

Roth vs traditional teaser

Simplified: same pre-tax dollars, flat rates, ignores contribution limits, deductions and state tax. Premium's Roth conversion window analysis goes deeper.

Monte Carlo success probability Premium

See the range of outcomes across many simulated markets. Preview below uses random sample data.

🔒 Unlock with Premium
7-day free trial · $9.99/mo after

Start free trial

How it works

From first visit to a clear plan

  1. Open the app — no download
    It's a PWA: runs in your browser and installs to your home screen.
  2. Enter a few numbers
    Age, savings, contributions, spending and goals. No account linking.
  3. Get your On Track Score
    See projections, Coast FIRE, and Social Security timing — free.
  4. Save your plan
    Locally on your device or on the server.
  5. Go deeper with the AI co-pilot (optional)
    Start a 7-day Premium trial for AI insights, scenario analysis, Monte Carlo and more.
Coming soon

Fastlane Rewards & linked-account net worth

Planned: weekly savings streaks, net-worth milestones, XP, levels and badges — plus optional read-only account linking to see your net worth and allocation in one place. Nothing rewards trades or product purchases.

Join the waitlist

Security & privacy

Your plan, your control

Payments by Stripe

Card details are entered on Stripe Checkout and managed in the Stripe Customer Portal, not stored by the app.

No bank logins required

You enter your own planning numbers. The app doesn't ask you to link bank or brokerage accounts.

You choose where plans live

Save plans locally on your device, or save them to the server to access them later.

We don't sell your data

Retirement Fastlane LLC does not sell personal information. [Confirm before publishing.]

Cancel anytime

Manage Subscription opens the Stripe Customer Portal so you're always in control of billing.

Clear about AI

AI insights are labeled as AI-generated and educational, never presented as advice.

Read more about security →

FAQ

Common questions

Is Retirement Fastlane free?

Yes. The core planner — dashboard with On Track Score, retirement projections, Coast FIRE calculator, Social Security timing comparison, basic goals, portfolio suggestions, cash yield simulator, and plan saving — is free.

What does Premium cost?

$9.99 per month, with a 7-day free trial.

How does the free trial work?

You start the trial through Stripe Checkout, which requires a credit card. If you don't cancel within 7 days, you're charged $9.99 and the plan renews monthly until you cancel.

How do I cancel?

Open the app and choose Manage Subscription. This opens the Stripe Customer Portal, where you can cancel or update payment details.

Do I need to install anything?

No. Retirement Fastlane is a progressive web app (PWA) that runs in your browser and can be added to your phone's home screen.

All FAQs →

Get on the fastlane to retirement clarity

Start free. Upgrade when you want deeper analysis.