CoastMath: FIRE Calculator

Blank Slate Labs Limited Liability Company · Finance

Free

Independent analytics for this App Store listing. AppTracker is not affiliated with Blank Slate Labs Limited Liability Company.

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Oct 13, 2026
New version 1.0 → 1.1

New • Checkup: a plan accuracy score with the inputs to review, plus a financial wellness scorecard. • Social Security claiming explorer: compare claiming ages and apply the ones you pick. • Custom market downturn stress test. • International plans: country, region, currency, local account types, benefits and country taxes. • 403(b), 457(b) and 401(a) accounts. • More inputs: loans and forgiveness, hourly pay, real estate, income growth schedules, former-spouse benefits, charitable giving, legacy goals, cash reserve, withdrawal order and custom SEPP. • Scenarios now sit under their main plan. • Glossary in Settings › Help, linked from analysis screens. Improved • Cash flow now takes 401(k) deferrals and taxes out of pay before spending. • Chance of success shows progress while it runs. • Track actuals compares each record with the plan's forecast. • Fixes for text entry, large text sizes, delete confirmations and save feedback.

Screenshots

About

CoastMath projects your finances year by year, so you can see when you can stop working and what every year after that looks like. Enter your accounts, income, expenses, homes, debts and milestones. CoastMath projects net worth, cash flow and taxes for every year of your plan. PLAN • Overview: net worth by year, the cash flow of any year, milestones and taxes over time • Year detail: income, spending, withdrawals, contributions and taxes, item by item • Income, Expenses and Accounts tabs with monthly or annual amounts • Social Security estimates, savings rules and a drawdown order • Federal, state and local income taxes, RMDs and health coverage • Advanced: milestones, assumptions and household details ANALYZE • Chance of success from Monte Carlo trials • Stress tests: historical periods, a market crash or a job loss • Withdrawal rules compared with your planned spending • Tax strategies: Roth conversions and gain harvesting that fill a bracket • Tax suggestions and SEPP 72(t) early withdrawals • Compare plans, track your actual net worth and read the annual report Explore a read-only sample plan without an account, or sign in with Apple, Google or an email link to save your own plans. FREE AND PREMIUM Every planning feature is free. Free includes one plan, editable for 7 days after you create it; its projection keeps updating after that. CoastMath Premium keeps every plan editable and adds unlimited plans, plan duplication, restoring archived plans, and CSV, PDF and JSON exports of the annual report. Premium is $29.99 per month or $99.99 per year, charged to your Apple Account. It renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel it in your Apple Account settings. Balances are entered manually; bank connections are not included. Projections are calculated on CoastMath's servers and need an internet connection. Projections are hypothetical estimates based on your inputs and assumptions, not financial, tax or legal advice. Terms of use: https://coastmath.com/terms License agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://coastmath.com/privacy

What's new · 1.1

New • Checkup: a plan accuracy score with the inputs to review, plus a financial wellness scorecard. • Social Security claiming explorer: compare claiming ages and apply the ones you pick. • Custom market downturn stress test. • International plans: country, region, currency, local account types, benefits and country taxes. • 403(b), 457(b) and 401(a) accounts. • More inputs: loans and forgiveness, hourly pay, real estate, income growth schedules, former-spouse benefits, charitable giving, legacy goals, cash reserve, withdrawal order and custom SEPP. • Scenarios now sit under their main plan. • Glossary in Settings › Help, linked from analysis screens. Improved • Cash flow now takes 401(k) deferrals and taxes out of pay before spending. • Chance of success shows progress while it runs. • Track actuals compares each record with the plan's forecast. • Fixes for text entry, large text sizes, delete confirmations and save feedback.

Details

ReleasedOct 2026
UpdatedOct 2026
Version1.1
Size12.9 MB
RequiresiOS 17.0 or later
Age rating4+
LanguagesEnglish
PriceFree
Categories FinanceProductivity
Bundle IDcom.coastmaxx.app