Nest Number
The number you need to retire
Price history
About
Calculate your ideal retirement savings with personalized inputs for current savings, monthly contributions, desired retirement age, and spending needs. Get a clear lump sum or monthly savings target and detailed year-by-year projections.
What's New in Nest Number
1.1
September 9, 2026
changed the screen name from Runway to Nest Number added a button to share the link of the app changed the location of the lumps and dollars need to front added a tax calculation in retirement
MoreSubscriptions & In-App Purchases
Nest Egg number
Retirement calculator 14-day free trial.
Developer apps
FAQ
What is the Nest Number retirement calculator?
Nest Number is a finance app designed to help you determine the exact amount of money you need to retire comfortably. It uses your personal savings, contribution, and spending details to provide a clear financial roadmap.
How does Nest Number calculate retirement needs?
Nest Number calculates your retirement needs by factoring in compound growth, inflation-adjusted spending, and the present value of your savings. You input your current savings, monthly additions, desired retirement age, spending, and how long you need the money to last.
Can I customize the assumptions in Nest Number?
Yes, Nest Number offers full control over all assumptions. You can adjust investment return rates, inflation, your retirement timeline, and spending habits to see how they impact your retirement number instantly.
Does Nest Number have ads?
No, Nest Number does not contain advertisements. The app is designed to provide a focused and uninterrupted user experience for financial planning.
What are the subscription options for Nest Number?
Nest Number offers a 'Nest Egg number' subscription for $4.99 per year, which includes a 14-day free trial. This subscription likely unlocks advanced features or removes limitations from the free version.
Is my financial data safe with Nest Number?
Yes, Nest Number prioritizes user privacy. The app states that no data leaves your device, ensuring your sensitive financial information remains secure and private.
What devices does Nest Number support?
Nest Number is available on iPhone and iPad devices. It is designed to be accessible on Apple's mobile and tablet platforms.
How often is Nest Number updated?
The latest version of Nest Number is 1.1, which was last updated on September 9, 2026. This indicates a recent update, suggesting ongoing development and maintenance.