ifso

Retirement planner that projects savings, income and spending each year with taxes and says if your chosen retirement date holds up.

ifso.io · Free plan

Visit ifso.io ↗would rather buy than build

Running since2026Launch year from the maker

Details

What it does: Money and budgeting
Who it’s for: Individuals and families
Pricing: Free plan
Works on: Web
Tags: retirement planning, scenario planning, tax projection, social security

CoastIQ
An iPhone retirement calculator that projects savings with US tax rules, Monte Carlo runs and Roth conversion plans, kept on your device.
Money and budgeting · Individuals and families
RetireNumber
Retirement planner that runs market simulations on your savings to show your odds and which changes bring your date closer.
Free plan · Money and budgeting · Individuals and families
FI Calc
Tests your retirement savings and withdrawal plan against past market history to see how often it would have lasted.
Free · Money and budgeting · Individuals and families
firenum
Plans early retirement month by month in your browser, with Monte Carlo runs and backtests, no account needed.
Free · Money and budgeting · Individuals and families