Know your payment. Compare real rates.
A modern mortgage payment calculator built with SwiftUI and powered by St. Louis Fed (FRED) rates.
Rates provided by St. Louis Fed (FRED).
Features
Instant monthly payment calculation
Enter amount, down payment, rate, term
Live mortgage rates (30-year, 15-year, 5/1 ARM)
Today vs Last Week comparison
Built for iOS 18 with SwiftUI
Modern async/await networking (MVVM architecture)
Screenshots
Payment Calculator
Quick Entry Experience
Live Rates Comparison
How It Works
- 1Enter your loan details
- 2Tap Calculate
- 3Review live FRED mortgage rates
FAQ
St. Louis Fed (FRED) API — MORTGAGE30US, MORTGAGE15US, MORTGAGE5US.
No accounts required. No personal data stored.
Yes. Use it to estimate payments for new loans or refinancing. Enter your loan amount, down payment (or equity), rate, and term to see monthly payment and compare with current FRED rates.
30-year fixed, 15-year fixed, and 5/1 ARM. Live rates for these are pulled from FRED.
Seeing today’s rate next to last week’s helps you spot trends and decide whether to lock or wait.
Get Amortized
Calculate mortgage payments and compare live FRED rates on your iPhone.
Download on the App Store