simpleFIRE: FIRE Calculator
#570,553 of 719,896 by ratings on Apple · #27,061 of 32,900 in Finance
First seen by this census 09/05/2026 — the store does not publish a creation date
Last updated 09/15/2026
Tracked since 09/05/2026
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Category: Finance
Description
simpleFIRE turns the big money questions into three simple calculators. Move a few sliders, watch the chart, and see what your plan really looks like.
PROJECTION
Start with what you already have, add what you invest each month, pick a period and an expected annual return. Watch the portfolio grow year by year, with your contributions and the interest they earned shown side by side.
TIME TO FI
Set your FI target and see when the portfolio gets there — the year and month, the passive income your target pays, and how far along you are each year.
DRAWDOWN
Start taking money out and see how long the portfolio lasts: the year it runs dry, how much you can withdraw to last your whole planning horizon, and whether the returns outrun your withdrawals.
EVERY NUMBER, EXPLAINED
Tap the result card for the full picture: a year-by-year chart you can tap through, contributions and interest for each year and so far, the year interest overtakes your contributions, and a plain list of the assumptions behind the calculation. Inflation is one tap away on every calculator, and the main result switches between today's money and nominal value.
PREMIUM — ONE PAYMENT, NO SUBSCRIPTION
- Time to FI and Drawdown modes
- Saved profiles: keep several scenarios and switch in a tap
- Calculation settings: inflation, contribution frequency, timing and yearly increases, compounding, withdrawal rate, planning horizon
- PDF and image report: share a clean summary of any calculation, as a PDF or as a picture
Projection is free and stays free. No ads anywhere in the app.
PRIVATE BY DESIGN
No account, no sign-in, no tracking, no analytics. Your numbers stay on your device, and the app asks for no permissions.
Built for iPhone and iPad, and it runs on Mac too. Dark and light themes, your currency, your number format.
simpleFIRE gives you estimates based on the assumptions you set. It is a calculator, not financial advice.
EULA:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Alternatives to simpleFIRE: FIRE Calculator
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Growth
Change in ratings, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.
| Per | Growth | Growth % | Actual change | Measured over |
|---|---|---|---|---|
| day | Not enough history yet | |||
| week | 0 | — | 0 | 10.1 days |
| month | Not enough history yet | |||
| year | Not enough history yet | |||
History
Ratings
Average rating
Version history
| Version | First observed |
|---|---|
| 2.0.1 | 09/15/2026 |
| 1.6 | 09/16/2026 |