The Giant Calculator

The Giant Calculator

Mortgage Payment Calculator

2 ratings
2 reviews
Free

Details

  • Released
  • Updated
  • June 23, 2026
  • July 13, 2026

Features

The Giant Calculator screenshot #1 for iPhone
The Giant Calculator screenshot #2 for iPhone
The Giant Calculator screenshot #3 for iPhone
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About

This tool provides advanced mortgage calculations beyond simple payment estimates. It offers detailed breakdowns of loan costs, visual aids for understanding amortization and equity, and the ability to save and compare different loan scenarios for informed decision-making.

Advanced loan math for FHA, VA, Conventional, and Jumbo loans
Regulatory-style loan estimate breakdown
APR calculation with high-precision math
Save and compare multiple loan scenarios
Visualizations of payment breakdown and amortization
Exportable PDF reports
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What's New in The Giant Calculator

1.1.2

July 13, 2026

This update improves number entry throughout the app: the on-screen keyboard no longer covers the field you're typing in, and a Done button lets you dismiss it easily. Sharing a scenario now sends a clean payment quote. Includes minor stability improvements.

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User reviews

WOW JUST WOW

Finally, this is the best Mortgage calculator I’ve ever seen in my life. How is this not number one on the App Store for calculators?

Best Mortgage Calculator out there!

Super easy to use!

FAQ

What types of mortgages does The Giant Calculator support?

The Giant Calculator supports Conventional, FHA, VA, and Jumbo loans. It includes specific calculations for FHA's UFMIP and annual MIP, VA funding fees, and conventional PMI with life-of-loan logic.

Does The Giant Calculator offer a free trial?

The Giant Calculator is completely free to download and use, with no account required. There is no need for a trial period as all features are available without cost.

How does The Giant Calculator help users understand loan costs?

It provides a clear breakdown modeled on the official Loan Estimate format, estimating origination charges, services, prepaids, and escrows. It also calculates APR with high-precision math and includes a glossary for financial terms.

Can I compare different mortgage options with The Giant Calculator?

Yes, you can save multiple loan setups with custom names and compare them side by side. The app features best-value indicators to highlight the lowest-cost option among your saved scenarios.

What kind of visualizations does The Giant Calculator offer?

The app includes a donut chart breaking down your monthly payment (P&I, taxes, insurance, PMI, HOA), a detailed amortization schedule, and an equity graph showing your balance paid down year by year.

Is The Giant Calculator accessible for users with disabilities?

The Giant Calculator is built for everyone, featuring full screen reader support and high-contrast labels. It also incorporates haptic feedback and smooth, responsive controls for an enhanced user experience.

How often is The Giant Calculator updated?

The Giant Calculator was last updated on June 25, 2026, with version 1.1.1. Updates typically focus on refining calculations, adding new loan types, or improving user interface based on feedback.

Does The Giant Calculator have ads?

No, The Giant Calculator is ad-free. The description explicitly states 'No accounts. No ads. Just clear, honest mortgage numbers.'