Karl's Mortgage Calculator Pro

4.7
202 reviews
5K+
Downloads
Content rating
Everyone
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About this app

This is the Pro version of Karl's Mortgage Calculator. The only change from the free version is that the adverts have been removed.

Calculate mortgage payments given principal, interest and term. Reverse calculate any one variable given the other three.

Enter a down payment amount or percentage and let the calculator show how large a mortgage you require.

See how the monthly payment changes when you factor in additional monthly or annual loan costs such as PMI, HOA, taxes and insurance.

The calculator supports Fixed and Adjustable Rate Mortgages (ARM) loans with up to five changes in interest rates. Interest-only mortgages loans are also supported.

You can pay off your mortgage early with extra payments. Add one-off, monthly and annual extra payments. Choose up to six additional extra payment amounts and payment periods and the calculator will show how much money you can save on the loan.

Choose from weekly to annual loan payments and adjust the compounding period from daily through annual periods. The calculator supports Canadian mortgages along with UK annual rest mortgages.

Multiple rounding options on loan calculations are also available. Choose between no rounding, round half up, half down, to even, to ceiling and to floor.

The calculator also supports the input and display of multiple currencies.
Updated on
Jan 22, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

Ratings and reviews

4.7
184 reviews
Chelle
May 7, 2024
App just became unusable. While working on my own mortgage calculations, the app suddenly quit allowing me to make ANY changes and started randomly entering figures that make ZERO sense. Cannot clear any fields. Cannot start over. Cannot start with a clean slate unless I uninstall the app???
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Dr Karl Jeacle
May 8, 2024
Hi Chelle, are you in "Normal" mode (i.e. not "Advanced" mode)? Check the top left of the Input tab. It's possible that the app is trying to reverse calculate and solve for a different variable than you are expecting. Send me an email with more information if it's not working for you. Thanks, Karl.
Jean-Christophe Branche
January 23, 2024
I only had to use this app for a few minutes to grasp how powerful and well presented it is in totality. The icing on the cake was using the summary page to show my wife the projections and she was instantly able to follow something I would never have gotten her to understand with my excel amortization sheets (not an indictment on females). No hesitation in upgrading to support the dev.
3 people found this review helpful
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Devin Narsai
May 4, 2024
Used the free one for months. Purchased it to support the dev. It's been the mortgage calculator I use to most and it's better than any I've found yet
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What's new

3.11
- Minor fixes