ProjectionLab Review 2026: The Privacy-First Retirement Planner With 10,000 Monte Carlo Simulations
by ProjectionLab · Last updated March 2026
ProjectionLab is what happens when a software engineer builds the retirement calculator they wished existed. The platform runs up to 10,000 Monte Carlo simulations against 150+ years of historical market data, supports Roth conversion strategies, ACA subsidy optimization, and international tax modeling — all without requiring you to link a single bank account. At $129/yr for Premium, it delivers advisor-quality analysis at less than the cost of a single hour with a financial planner.
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Key Facts — ProjectionLab
Review by the Velocity AI Insights editorial team. Last updated March 2026.
Bottom Line
ProjectionLab is the best retirement planning tool for privacy-conscious DIY investors who want advisor-quality analysis without data exposure. The Monte Carlo engine, historical backtesting, and tax optimization tools provide depth that free calculators cannot match. At $129/yr, it is an exceptional value for anyone who takes their financial future seriously.
Top Pros
Top Cons
Medium
Setup Difficulty
Free Tier
Pricing Model
Financial Advisors
Target Industry
8+
Key Features
What is ProjectionLab?
ProjectionLab is a web-based financial planning and retirement simulation tool designed for DIY investors, FIRE seekers, and detail-oriented planners. The platform enables users to model their entire financial future by defining income, expenses, assets, debts, and life milestones — then stress-testing plans against thousands of market scenarios.
Key Features
Monte Carlo simulations run up to 10,000 scenarios to calculate retirement success probability.
Historical backtesting uses real market data from 1871 to present.
Tax optimization tools model Roth conversion ladders and capital gains harvesting.
Compare Mode overlays multiple scenarios side-by-side.
International tax support for US, Canada, UK, Australia, Germany, and Netherlands.
Privacy-first — no account linking required. All data entered manually.
Pricing Details
Basic (free): ad-hoc projections and Monte Carlo, no saved plans. Premium ($129/yr): unlimited saved plans, tax analytics, Roth conversion planning, scenario comparison, PDF reports. Lifetime ($1,199 one-time): all current and future features. Pro ($549/yr): financial advisor tier with client management.
Pros
10,000 Monte Carlo runs provide statistically robust confidence intervals.
Privacy-first design means no bank account linking or credential sharing.
International tax support is exceedingly rare among retirement calculators.
$129/yr delivers analysis quality comparable to advisor-level tools.
Cons
Free tier cannot save plans — essentially a demo.
No account aggregation means manual data entry for all accounts.
Learning curve is real due to depth of options.
$1,199 lifetime price is a significant upfront commitment.
Real-World Use Cases
FIRE seekers can model critical gap years between early retirement and traditional age, optimizing Roth conversions and ACA subsidies.
Financial advisors on Pro tier can build interactive projections replacing static spreadsheets.
Expatriates can model tax implications of retiring in different countries.
Implementation Difficulty: Medium
Implementation requires some technical planning and configuration. While not overly complex, partnering with an experienced implementation team can significantly reduce setup time and ensure optimal configuration.
Our Verdict
ProjectionLab is the best retirement planning tool for privacy-conscious DIY investors who want advisor-quality analysis without data exposure. The Monte Carlo engine, historical backtesting, and tax optimization tools provide depth that free calculators cannot match. At $129/yr, it is an exceptional value for anyone who takes their financial future seriously.
See How ProjectionLab Compares
Before you decide, see how ProjectionLab stacks up against the competition.
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