Life can make you
lose the trail.
TrailBook shows you if your money will last — through kids, career changes, relocations, and retirement.
30s
Quick Estimate
50yr
Projection
Free
To Start
See your trail in 30 seconds
No sign-up needed. Just your numbers.
Your financial trail guide
Life Event Modeling
Model kids, home purchases, career changes, relocations — see how each affects your financial future.
AI Trail Guide
An AI advisor that interprets your numbers and suggests scenarios you haven't considered.
Scenario Comparison
Compare different life paths side by side — what if you retire at 62 vs 67?