Karl's Mortgage Calculator

Advanced Mortgage Calculator with Graphs and Charts

DrCalculator.com · com.drcalculator.android.mortgage

4.0 out of 5 (2 ratings) 1M+ downloads v4.0.1 2.6 MB Android 6.0+ PEGI 3 · Everyone

Download APK 2.6 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v4.0.1 (80)
Updated: Oct 2, 2026 (8 days ago)
APK size: 2.6 MB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Finance (app)
Listed since: May 6, 2021 (at least)
Permissions: 9
Website: drcalculator.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Karl's Mortgage Calculator is an app by DrCalculator.com in the Finance category, listed since at least May 2021. It has no native code, so it runs on any Android processor.

Since version 3.11, the APK shrank from 3.1 MB to 2.6 MB and the minimum Android version rose from 4.4 to 6.0. It asks for 9 permissions, none of them sensitive. It asks for the same permissions as version 3.12.1. The app can read the advertising ID that ad and analytics services use.

What's new in v4.0.1

4.0.1 - Minor fixes 4.0.0 - Better screen layouts - Per-app language prefs - Updated CMHC rates - Reduced app size - Tested on Android 16

Description

From the listing uploaded by “appupdater”.

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 ten 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. Permissions: - Internet access required for adverts and analytics

Version history

4 versions are listed, going back to v3.11. Since v3.12.1 it requires Android 6.0+.

v4.0.1 LATEST Oct 2, 2026 2.6 MB TRUSTED v3.12.1 Jan 18, 2026 2.9 MB TRUSTED v3.12 Dec 20, 2025 2.9 MB TRUSTED v3.11 Jan 23, 2026 3.1 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Oct 2, 2026.
Certificate issued to “Unknown” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Oct 2, 2026
Validated against Google Play Oct 2, 2026
Signed byCN=Karl Jeacle, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=Unknown
Signing certificate (SHA-1)66:99:C3:EC:0F:DE:6E:95:AC:0D:FF:A2:70:CB:B1:14:3D:62:A0:86
File MD5e0236f496c3f687de34ea0610edae997
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (9)

Karl's Mortgage Calculator requests 9 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) com.drcalculator.android.mortgage.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Karl's Mortgage Calculator APK: questions and answers

Is there a version of Karl's Mortgage Calculator for older Android phones?

The current version needs Android 6.0 or later. Version 3.12 is the newest listed build that installs on Android 5.0 and later. Get version 3.12 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Karl's Mortgage Calculator APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is e0236f496c3f687de34ea0610edae997.