Best Karl Business Day Calculator Apps

225+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated June 2026

Looking for free karl business day calculator apps? 18 of our 225+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Karl Business Day Calculator

Loan Calculator‰#2

Loan Calculator‰ by Tim O's Studios, LLC

Simple Loan Calculator
Strong Contender
💰 Finance
4.9😊(96K ratings)
FreeAds
Loan Calculator‰ screenshot 1

Calculate your loans or mortgages effortlessly with this simple loan calculator app. Just input the amount, term, and rate to get quick results. Try it now!

What We Love

  • 👍 Simple and easy to use
  • 🚀 Straightforward and intuitive
  • 💡 Accurate loan repayment calculations
  • 🚀 Instant results

Room to Improve

  • 🐛 Incorrect interest calculations
  • 🔍 Limited functionality
  • 💸 Excessive advertisements
RECalc Mortgage Calculator#3

RECalc Mortgage Calculator by 3magic

Mortgage/loan calculator
Worth Considering
💰 Finance
4.7😊(2.6K ratings)
FreeAds
RECalc Mortgage Calculator screenshot 1
RECalc Mortgage Calculator screenshot 2
RECalc Mortgage Calculator screenshot 3
RECalc Mortgage Calculator screenshot 4
RECalc Mortgage Calculator screenshot 5

A versatile mortgage/loan calculator app that also functions as a traditional mathematical calculator. Users can calculate monthly payments, terms, interest rates, and loan amounts, with support for semi-annual compounding. Ideal for real estate professionals, mortgage brokers, home buyers, and those looking to refinance. Accessible on iPhone and iPod touch with options to save calculations and send summaries via email.

What We Love

  • 👍 Easy to use
  • 🚀 Powerful and flexible
  • 💡 Includes amortization table
  • 🚀 Quick calculations

Room to Improve

  • 🐛 Unintuitive user interface
  • 🐛 Lack of instructions or tutorials
  • 🐛 Calculation issues for some users

More Karl Business Day Calculator apps to explore

4
Digits Tape Calculator
Digits Tape Calculator
Digits Tape Calculator
The calculator for humans
$1.99

Try Digits Tape Calculator, the calculator designed for humans. With a unique correctable tape feature, spreadsheet-like editing, and calculator simplicity, it's perfect for tracking expenses and budgets. Get organized on-the-go with Digits 3 for iOS.

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5
Loan,Mortgage ,Tip Calculator
Loan,Mortgage ,Tip Calculator
Loan,Mortgage ,Tip Calculator
Discount, tax, and more
Free

An essential collection of 6 useful calculators for everyday needs, including discount, sales tax, loan, mortgage, and tip calculators. Simplify your financial transactions and calculations with this user-friendly app.

📊 Productivity
(502)
6
Mortgage Pal - Loan Calculator
Mortgage Pal - Loan Calculator
Mortgage Pal - Loan Calculator
Payment compound interest rate
Free

Start saving on your mortgage and calculate your loan payments with our all-in-one Mortgage Pal tool. Includes Mortgage Payment Calculator, Mortgage Affordability Calculator, and current mortgage rates. Make smarter mortgage decisions today!

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7
10bii Financial Calculator
10bii Financial Calculator
10bii Financial Calculator
Easy Financial Calculator
$7.99

A powerful and versatile financial calculator app with over 105 functions for various financial analysis needs, from loan payments to investment values. Perfect for beginners and professionals alike, offering easy-to-use features, intuitive display, and precise mathematics. Answer common financial questions effortlessly with 12 easy modes and visualize cash flows and statistical data with graphs for quick analysis and decision-making.

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8
Karl's Mortgage Calculator
Karl's Mortgage Calculator
Karl's Mortgage Calculator
by Karl Jeacle
Free

This app is a comprehensive mortgage calculator that allows you to calculate mortgage payments, reverse calculate variables, factor in additional costs, compare different types of loans, make extra payments, adjust payment frequencies, and work with multiple currencies. Plan your mortgage effectively and save money with this versatile tool.

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9
Loan Calculator - Loan2Me
Loan Calculator - Loan2Me
Loan Calculator - Loan2Me
Quick and Easy Loan Calculator
Free

Calculate loan payments quickly and easily with a free loan calculator that offers additional features for precise calculations. Analyze mortgage or vehicle loans, save your data across devices, and access detailed reports for informed financial decisions. Upgrade to Pro for advanced functionalities and customization options.

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10
BA Financial Calculator
BA Financial Calculator
BA Financial Calculator
BAII Plus Emulator
Free

This app, developed as a BAII Plus emulator, caters to CFA candidates and charterholders, offering identical functionality to the TI calculator with a user-friendly experience. For support, contact cfa.calculator@gmail.com.

💰 Finance
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11
Loan Calculator & Tax Savings
Loan Calculator & Tax Savings
Loan Calculator & Tax Savings
3-in-1 Loan Payment Calculator
Free

The application is a comprehensive Loan Calculator and Tax Savings tool that provides advanced analysis and unique features not found in other similar apps. It offers a quick calculator, a simple interface for on-the-go analysis, and an extended mode for detailed loan evaluation. Key features include tax savings estimates, amortization tables, and comprehensive total cost calculations to help users make informed decisions about their loans and affordability.

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(97)
12
Mortgage Calculator 2
Mortgage Calculator 2
Mortgage Calculator 2
Loan and Mortgage Calculator
Free
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(87)
13
EMI Loan & Mortgage Calculator
EMI Loan & Mortgage Calculator
EMI Loan & Mortgage Calculator
Auto Loan & EMI Calculator
Free

An innovative financial tool that helps users calculate their monthly EMI payments for loans based on key input parameters like principal amount, interest rate, and tenure. Take control of your finances with easy EMI calculations at your fingertips!

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(9)
14
Rocket Mortgage
Rocket Mortgage
Rocket Mortgage
Mortgages made simple
Free

An app designed to simplify mortgage processes: e-sign your application, communicate through in-app messages, track your to-do list, manage payments, receive push notifications, and access loan documents easily. Your mortgage simplified in one place!

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15
EZ Financial Calculators
EZ Financial Calculators
EZ Financial Calculators
by Bishinew Incorporated
Free

A comprehensive financial calculator app offering a wide range of calculators for finance, investment, loans, retirement, bonds, stocks, credit cards, auto loans, and more. Customize and prioritize calculators, share results via email, and enjoy offline functionality except for the Currency Converter. Contact pfinanceapp@gmail.com for questions or support.

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(46)
16
Mortgage Calculator Plus
Mortgage Calculator Plus
Mortgage Calculator Plus
by AppRebel, Inc.
Free

Easily calculate mortgage payments with the most user-friendly mortgage calculator on the App Store. Simplify your financial planning today.

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(6)
17
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

An essential tool for professionals working with dimensions, this app optimizes speed and accuracy while reducing errors. Try it for free before purchase on your App Store account. Ideal for enhancing productivity on the go.

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18
Easy Mortgages
Easy Mortgages
Easy Mortgages
Mortgage Calculator
Free

Calculate and compare mortgages easily with this powerful and user-friendly mobile app. Estimate payments, save loans for future reference, and protect your data with passcode security. Download now for smart mortgage decisions.

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(0)
19
Financial Calculator: Percent
Financial Calculator: Percent
Financial Calculator: Percent
Tax Percentage, Profit Margin
Free

Effortlessly calculate percentages with our user-friendly app. Whether you need to figure out discounts, tips, or percentage increases, our tool makes it simple. Try it now for quick and accurate percentage calculations!

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20
Fairway Now
Fairway Now
Fairway Now
by Fairway Independent Mortgage Corporation
Free

Quickly apply for a mortgage in under 10 minutes, track loan progress with real-time notifications, contact loan officers, scan documents, calculate loan scenarios, and connect to home searching sites all within one app.

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