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
On Track Score
Projected
Per year
Illustration only.
Plans
Free planning. AI-powered Premium.
Core planning tools:
- Dashboard & On Track Score
- Retirement projections
- Coast FIRE calculator
- Social Security timing
- Goals, portfolio suggestions & cash yield simulator
- Plan saving
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
Credit card required. Auto-renews at $9.99/month unless cancelled before the trial ends. Cancel anytime in the Stripe Customer Portal.
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 trialInsights · sample
Illustration only. Educational, not advice.
Features
Everything you need to plan, free
Dashboard & On Track Score
See at a glance whether your plan is on track.
Retirement projections
Nest egg, sustainable income, and a projection chart.
Coast FIRE calculator
Find the point where growth alone can carry you to retirement.
Social Security timing
Compare claiming at 62, 67, and 70.
Goals, portfolio suggestions & cash yield simulator
Basic tools to set targets and model cash yields.
Plan saving
Save your plan locally and on the server.
Feature tour
Five screens, one clear plan
Dashboard screen
Your On Track Score, projected nest egg, and sustainable income in one glance.
Retirement screen
Projections with an interactive chart, Coast FIRE, and Social Security timing (62/67/70).
Insights screen
AI-generated narratives that explain your plan, plus tax-loss harvesting estimates.
Scenarios screen
Save named scenarios, compare them side by side, and run AI scenario analysis.
Premium screen
Monte Carlo, sequence-of-returns stress test, Roth conversion windows — and Manage Subscription via Stripe.
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
More tools
Explore before you sign up
Retirement savings projection
Roth vs traditional teaser
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
How it works
From first visit to a clear plan
- Open the app — no download
It's a PWA: runs in your browser and installs to your home screen. - Enter a few numbers
Age, savings, contributions, spending and goals. No account linking. - Get your On Track Score
See projections, Coast FIRE, and Social Security timing — free. - Save your plan
Locally on your device or on the server. - Go deeper with the AI co-pilot (optional)
Start a 7-day Premium trial for AI insights, scenario analysis, Monte Carlo and more.
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.
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.
Get on the fastlane to retirement clarity
Start free. Upgrade when you want deeper analysis.