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A projection is easier to trust once you can see how it was made. These pages explain how Landfall works, what each figure on your plan is telling you, and where the model stops.

Getting started

What Landfall is for, and how to get a first answer out of it.

The app itself

Your data, the subscription, and where to go when a question is about you.

How the numbers work

The model behind the figures, and where each figure comes from.

The choices you make

The settings that change what a plan does, rather than what it starts from.

Testing a plan, and keeping it current

What happens after the first answer.

Questions about tax and pensions in retirementShort answers to what people ask most, with the figures for this tax year and where each one comes from.
Release notesVersion 1.17.69 · 30 October 2026

See your own year

Will your money last?

Enter what you have, earn and spend. The first answer is free.

Download from the Microsoft Store

Coming to the App Store for iPhone, iPad and Mac.

  • The projection is free
  • No account to make
  • Your figures stay on your device