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Best Business Day Calculator Apps

0+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated June 2026

The best business day calculator apps on iPhone average 4.6★ across 0+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Compare top Business Day Calculator Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Hours Tracker: Time TrackingHours Tracker: Time TrackingFree4.8★ (56K)YesYesAug 2026
2Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoAug 2026
3Digits Tape CalculatorDigits Tape Calculator$1.994.8★ (1.1K)NoYesAug 2026
4Calculator‰Calculator‰Free4.9★ (409K)YesNoAug 2026
5KARL Business Day CalculatorKARL Business Day CalculatorFree—NoNoMay 2026
6Color Calculator-smart&cuteColor Calculator-smart&cuteFree4.7★ (16K)YesYesAug 2026
7ClevCalc - CalculatorClevCalc - CalculatorFree4.7★ (13K)YesYesAug 2026
8Calculator--Calculator--Free4.7★ (910)YesNoAug 2026

Top Picks for Business Day Calculator

Hours Tracker: Time Tracking#1

Hours Tracker: Time Tracking by Cribasoft, LLC

Hourly work and pay calculator
Editor's Choice
💼 Business
4.8😊(55K ratings)
FreeAdsIn-App Purchases
Hours Tracker: Time Tracking screenshot 1
Hours Tracker: Time Tracking screenshot 2
Hours Tracker: Time Tracking screenshot 3
Hours Tracker: Time Tracking screenshot 4
Hours Tracker: Time Tracking screenshot 5
Hours Tracker: Time Tracking screenshot 6

Easily track your work hours, pay, tips, and mileage with timers, automatic breaks, and location-based reminders. Features include overtime calculations, customizable reports, and data export. Manage multiple jobs and entries with advanced customization options.

What We Love

  • 🚀 Easy to use
  • 📊 Detailed time tracking and reporting
  • 💰 Accurate pay estimates
  • 🔍 Helpful for tracking multiple jobs/projects

Room to Improve

  • 💸 Subscription pricing model
  • 🔓 Limited free version
  • 🐛 Occasional data loss or sync issues
Calculator for iPad!#2

Calculator for iPad! by 7th Gear

Basic & Scientific Calculator
Strong Contender
🔧 Utilities
4.7😊(61K ratings)
Free
Calculator for iPad! screenshot 1
Calculator for iPad! screenshot 2
Calculator for iPad! screenshot 3
Calculator for iPad! screenshot 4

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

What We Love

  • 📐 Versatile calculator with basic and scientific modes
  • 📝 Useful note-taking and calculation history features
  • 🎨 Customizable color schemes
  • 💻 Works well on both iPad and iPhone

Room to Improve

  • 💰 Ads can be intrusive in free version
  • 🔒 Lack of transparency around in-app purchases
  • 🔍 Difficulty finding and accessing premium features
Digits Tape Calculator#3

Digits Tape Calculator by Shift

The calculator for humans
Worth Considering
🔧 Utilities
4.8😊(1.1K ratings)
$1.99In-App Purchases
Digits Tape Calculator screenshot 1
Digits Tape Calculator screenshot 2
Digits Tape Calculator screenshot 3
Digits Tape Calculator screenshot 4
Digits Tape Calculator screenshot 5
Digits Tape Calculator screenshot 6

This app offers a calculator with an editable, line-by-line tape history, combining spreadsheet-like functionality with calculator simplicity. Easily correct mistakes, add comments, and share or print your calculations.

What We Love

  • 🚀 Best tape calculator
  • 👍 Intuitive and user-friendly interface
  • 💡 Editable and commentable saved tapes
  • 🚀 Resizes well on iPad

Room to Improve

  • 🐛 Bug with iOS 26 where number pad doesn't return after adding comments
  • 🐛 Slow to load and unresponsive on some devices
  • 👎 Lack of iCloud sync between devices

More Business Day Calculator apps to explore

4
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

Large buttonsClear displayFast calculations
🔧 Utilities
(409K)
ad-supported
5
KARL Business Day Calculator
KARL Business Day Calculator
KARL Business Day Calculator
Business Day Calculator Pro
Free
📊 Productivity
(0)
6
Color Calculator-smart&cute
Color Calculator-smart&cute
Color Calculator-smart&cute
Cute calculator app with theme
Free

This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.

60+ free cute and colorful themesExclusive dynamic and special themesScientific & Standard calculator modes
🔧 Utilities
(16K)
freemium
7
ClevCalc - Calculator
ClevCalc - Calculator
ClevCalc - Calculator
All-In-One Calculator
Free

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

Scientific calculatorUnit converterCurrency converter
📊 Productivity
(13K)
free with in-app purchases
8
Calculator--
Calculator--
Calculator--
by Horizon Business, Inc.
Free

This is a straightforward calculator application designed for ease of use and clear readability. Users can personalize the app's appearance by choosing their preferred background and display themes.

Easy to use interfaceClear displayCustomizable background
🔧 Utilities
(910)
ad-supported
9
Simple Calculator.
Simple Calculator.
Simple Calculator.
Basic Casio-style calculator
Free

A straightforward calculator designed for speed and accuracy, mimicking classic pocket calculators. It offers real-world logic, business-focused calculations like cost, sell, and margin, and a clean interface for effortless use.

Real-world logic, no forced order of operationsRunning total displayCost, sell, margin calculations
🔧 Utilities
(1.6K)
ad-supported
10
Time Calculator - Work Hours
Time Calculator - Work Hours
Time Calculator - Work Hours
Date, Calendar & Salary Clock
Free

This comprehensive toolkit helps manage time, dates, and schedules with various calculators. Track work hours, plan shifts, convert time formats, and calculate differences between dates. Ideal for professionals, freelancers, and everyday users needing precise time management.

Work time trackingShift schedulingDate difference calculation
🔧 Utilities
(2.8K)
freemium
11
Calculator%.
Calculator%.
Calculator%.
Simple, big screen and buttons
Free

This app offers a straightforward calculator with a large display and oversized buttons for easy operation. It's designed for everyday tasks, enabling users to perform fundamental arithmetic like addition, subtraction, multiplication, and division with clarity and convenience.

Big display and buttonsEasy to useBasic calculations
🔧 Utilities
(4.2K)
ad-supported
12
Time Card Calculator-Timeclock
Time Card Calculator-Timeclock
Time Card Calculator-Timeclock
Calculate Paycheck Punch Hours
Free

Easily calculate your work hours and paychecks. This app allows you to log in and out times, automatically deduct lunch breaks, and calculate overtime pay with customizable rates. Manage weekly or bi-weekly pay periods and export your timesheets.

Log in/out timesAutomatic lunch deductionCustomizable overtime rates
📊 Productivity
(1.2K)
free
13
BA Financial Calculator
BA Financial Calculator
BA Financial Calculator
BAII Plus Emulator
Free

Emulates the TI BAII Plus financial calculator, offering identical functionality with a clean and user-friendly interface. It's designed for finance professionals and students preparing for exams like CFA, FRM, and CPA.

TI BAII Plus emulatorIdentical functionalityUser-friendly interface
💰 Finance
(3.3K)
ad-supported
14
PowerOne calculator
PowerOne calculator
PowerOne calculator
Finance, scientific, and more
Free

This app offers a powerful calculator with hundreds of pre-built templates for finance, engineering, and more. Users can also create custom calculations for specific needs, ensuring accuracy and speed for repetitive tasks. Access your calculations across devices, online or offline.

Hundreds of pre-built calculation templatesCreate custom calculation templatesStandard and RPN calculator modes
🔧 Utilities
(803)
free with in-app purchases
15
Calculator⁻
Calculator⁻
Calculator⁻
Best hand calculator
Free

A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.

Basic arithmetic operationsPercentage calculationsRecord and recall results
🔧 Utilities
(3.6K)
ad-supported
16
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(5K)
free with in-app purchases
17
The Date Calculator PRO
The Date Calculator PRO
The Date Calculator PRO
Calculate days between dates
Free

Easily calculate the duration between two dates, with or without accounting for the time of day. You can also add or subtract various time units from a specific date. The results are automatically converted into multiple units for your convenience.

Calculate duration between two datesInclude time of day in calculationsAdd/subtract years, months, weeks, days
🔧 Utilities
(2.6K)
free with in-app purchases
18
10bii Financial Calculator
10bii Financial Calculator
10bii Financial Calculator
Easy Financial Calculator
$5.99
$7.99 | 25% OFF

This app offers a comprehensive financial calculator with over 105 functions for business, statistics, and general math. It simplifies complex calculations like loan payments, time value of money, and investment analysis with an intuitive interface and visual tools. Easy modes are available for users new to financial calculations.

Over 105 financial, business, and math functionsTime Value of Money (TVM) calculationsUneven Cashflow worksheets
💰 Finance
(662)
free with in-app purchases
19
Calculate Hours Worked
Calculate Hours Worked
Calculate Hours Worked
Hours Calculator / Timesheet
Free

Easily calculate your total hours worked by entering your log-in and log-out times. You can also input your hourly pay rate to determine your total earnings. Advanced features allow for individual rate settings and comments for different jobs, with options to email or download results.

Log-in/Log-out time entryAutomatic total hours calculationHourly pay rate input
🔧 Utilities
(224)
free
20
Calculator
Calculator
Calculator
by The App Tower Inc.
Free

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

Basic calculationsOver 80 themesTheme customization
🔧 Utilities
(146K)
free with in-app purchases

FAQ about Business Day Calculator

What are the best business day calculator apps for iPhone?
Hours Tracker: Time Tracking tops our business day calculator apps ranking as of June 2026, with a 4.8-star average from 56K App Store ratings, and it's free to download.
Yes — 18 of the top business day calculator apps we rank are free to download, including Hours Tracker: Time Tracking and Calculator for iPad!.
Hours Tracker: Time Tracking shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
This app helps you easily track your work hours, calculate your pay, and manage related expenses like tips and mileage. It offers features like timers, automatic breaks, location-based reminders, and overtime calculations.
Key features include quick time entry with timers, support for breaks and pauses, tracking of tips and mileage, automatic overtime calculations, customizable reports, time rounding, and data export options. It also offers Apple Watch and Today Widget integration.