UK FIRE Calculator

Early retirement & ISA planner

Free · Designed for iPad. Not verified for macOS.

UK FIRE Calculator helps you plan your path to Financial Independence, Retire Early (FIRE) with UK-specific accounts and tax rules — free, private, and no sign-up. Everything runs on your device. No account, no data stored. MODEL YOUR FULL PORTFOLIO • Stocks & Shares ISA, Lifetime ISA (LISA), SIPP/Pension, and GIA • Employer and employee pension contributions with salary sacrifice • State Pension income from your chosen age UK TAX-ACCURATE (2026/27) • 2026/27 income tax rates and personal allowance • National Insurance and Capital Gains Tax on GIA withdrawals • LISA 25% government bonus included automatically UNDERSTAND YOUR RETIREMENT • FIRE number based on your spending and safe withdrawal rate • Portfolio projection to age 100 • Tax-efficient withdrawal order in retirement • Bridge period planning before pension access age (57 from 2028) VISUALISE YOUR PROGRESS • Portfolio growth chart by account type • Retirement income breakdown by source • Key milestones: FIRE age, £1M, State Pension, account depletion LEARN AS YOU PLAN • 50+ in-depth UK FIRE guides — the 4% rule, ISA vs SIPP, salary sacrifice, the State Pension, and "can I retire at 55/60?" scenarios Free, private, no sign-up. Find your FIRE number today. This calculator is for educational and planning purposes only and does not constitute financial advice. Always consult a qualified financial adviser before making significant financial decisions.

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Version 1.6.0

The developer, Simon Gilbert, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Simon Gilbert
    Size
    • 38 MB
    Category
    • Finance
    Compatibility
    Requires iOS 15.1 or later.
    • iPhone
      Requires iOS 15.1 or later.
    • iPad
      Requires iPadOS 15.1 or later.
    • iPod touch
      Requires iOS 15.1 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Simon Gilbert
  • Developer Website
  • Privacy Policy

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