Dev tools · alternatives · 2026
24 alternatives to The FI Calculator
An advanced FIRE calculator with powerful simulations
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
FI Calc is a powerful and flexible retirement calculator for FIRE. Simulate retirements using historical data that spans more than 100 years.
2020 · ficalc.app · its alternatives →
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Investment Calculator is a beautifully simple calculator to help you calculate the potential value of your retirement investments and visualize their growth. Based on your inputs, we also make suggestions on how to increase your investment savings.
2018 · investmentcalculator.io · its alternatives →
- 4
Financial Independence / Retire Early (FIRE) Calculator for the UK
2023 · fire.picheta.me · its alternatives →
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Simulate your financial future. Modern financial, retirement, and estate planning tools to plan for early retirement, financial independence, and more.
2021 · projectifi.io · its alternatives →
- 7RC
2020 · lunchmodel.com · its alternatives →
- 8
A financial independence, retirement early calculator.
2020 · play.google.com · its alternatives →
- 9
Most retirement calculators either oversimplify things or ask you to link your accounts so they can make money off your data. I wanted something that actually helped me see if I was on track without handing over a bank login, so I built RetireNumber. It's a privacy-first retirement planner. You type in your own numbers. No account linking, no selling your data, no VC. Just me and a subscription. The engine does real math: Monte Carlo with 1,000 runs, historical backtesting to 1928 using Shiller's Yale data, tax-aware withdrawal strategies, and scenario comparison so you can try different…
Feb 2026 · retirenumber.com · its alternatives →
- 10
A brutal FIRE calculator to escape the rat race.
Jun 2026 · fi-navigator.netlify.app · its alternatives →
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- 12SR
Use this planner to explore the health of your retirement plan. Estimate your retirement income and explore different investment strategies.
2015 · letscrunchit.com · its alternatives →
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Visualize your path to financial independence
Feb 2026 · apps.apple.com · its alternatives →
- 14
Lightning-fast FIRE Monte Carlo simulator at the edge ⚡️
Mar 2026 · myfiresimulator.com · its alternatives →
- 15
Stress-test your early retirement against market crashes
May 2026 · retirelogic.io · its alternatives →
- 16MA
The calculator quickly shows you how long your nest egg will last, given a constant withdrawal. It automatically shows you a safe withdrawal rule to have your capital last forever.
2024 · myfire.app · its alternatives →
- 17
MoneyOnFIRE▲21We’re Scott and Sunny—two long-time personal finance nerds. When we met 6 years ago we compared our personal finance spreadsheets. Ours were packed with macros, scenarios, and tax modeling—but even then, found they were not complete. Planning for financial independence is hard, and the cost of mistakes is high. So we built the tool we always wanted: MoneyOnFIRE. MOF calculates a personalized, tax-aware roadmap to financial independence—across account types, life goals, and withdrawal strategies. It shows you not just if you can achieve financial indepdendence, but how, when, and what to…
2025 · moneyonfire.com · its alternatives →
- 18
Free calculators to plan your budget, debt, and FIRE goals
Jul 2026 · its alternatives →
- 19
A modern and simple retirement (or FIRE) calculator.
2024 · its alternatives →
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Know the exact year you can stop working
Aug 2026 · smartpixelstudio24.gumroad.com · its alternatives →
- 22
Suite of financial tools for SMBs and the self-employed
2025 · spearheadfinance.space · its alternatives →
- 23
Financial calculators for FIRE, crypto & Canadian investors
Jun 2026 · ilovemoney.net · its alternatives →
- 24
Free & Powerful Portfolio Simulations For Everybody
2021 · honestmath.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →