Best Time Interval Calculator App

223+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated June 2026

Out of 223+ time interval calculator app apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Time Interval Calculator App

Date & Time Interval#1

Date & Time Interval by SACHIN SABU

Tools for time calculations
Editor's Choice
📊 Productivity
4.7(108 ratings)
FreeAds
Date & Time Interval screenshot 1
Date & Time Interval screenshot 2
Date & Time Interval screenshot 3
Date & Time Interval screenshot 4
Date & Time Interval screenshot 5
Date & Time Interval screenshot 6

This time calculator app helps you perform various date and time calculations, including finding intervals between dates, calculating your exact age, and converting time zones. With its user-friendly interface, you can add or subtract hours, days, and years, and make simple mathematical operations, making it a convenient tool for everyday use.

Hours - Tracker & Time Clock#2

Hours - Tracker & Time Clock by One Wave AB

Work Sheet Calculator In Out
Strong Contender
💼 Business
4.6😊(16K ratings)
FreeIn-App Purchases
Hours - Tracker & Time Clock screenshot 1
Hours - Tracker & Time Clock screenshot 2
Hours - Tracker & Time Clock screenshot 3
Hours - Tracker & Time Clock screenshot 4
Hours - Tracker & Time Clock screenshot 5
Hours - Tracker & Time Clock screenshot 6

Track and manage your time effectively with this application. Stay organized, boost productivity, and easily monitor your daily tasks and goals. Download now to make the most of your time!

What We Love

  • 👍 Easy to use
  • 💰 Helps track hours and pay
  • 🗓️ Useful for multiple jobs
  • 🔢 Calculates hours and pay automatically

Room to Improve

  • 🔒 Limits free features to force purchase
  • 🔢 Limited to 5 jobs in free version
  • 🐛 Issues with break time tracking
Hours Minutes Calculator Lite#3

Hours Minutes Calculator Lite by Quackstro

Worth Considering
🔧 Utilities
4.6😊(2.9K ratings)
FreeAds
Hours Minutes Calculator Lite screenshot 1
Hours Minutes Calculator Lite screenshot 2
Hours Minutes Calculator Lite screenshot 3
Hours Minutes Calculator Lite screenshot 4
Hours Minutes Calculator Lite screenshot 5
Hours Minutes Calculator Lite screenshot 6

This application helps users calculate hours and minutes quickly and competently. Whether for work, study, or personal use, it simplifies time calculations. Try it now for a hassle-free approach to managing your time effectively!

What We Love

  • 🚀 Time-saving
  • 👍 Useful for work hours
  • 👍 Intuitive interface
  • 👍 Simple and efficient

Room to Improve

  • 🐛 Calculation issues
  • 🐛 Inconsistent behavior
  • 🔍 Limited functionality

More Time Interval Calculator App apps to explore

4
Interval Timer
Interval Timer
Interval Timer
Tabata, HIIT, Circuit Training
Free

An intuitive Interval Timer app for Tabata, HIIT, and Circuit Training with customizable settings, voice assistant, saved workouts, and quick setup feature. Supports Apple Health for activity tracking. Download for free with subscription option available. Good luck with your training!

💪 Health & Fitness
(3.2K)
5
TimeClock Plus Clock
TimeClock Plus Clock
TimeClock Plus Clock
by Data Management Inc.
Free

Revolutionize employee management with a mobile application that allows remote clock-ins, job code changes, time-off requests, schedule checks, and more. Enhance efficiency and streamline operations with TCP MobileClock - the perfect solution for modern workforce management. Explore resources at https://timeclockplus.force.com/TCPSupport/s/ for a seamless experience.

💼 Business
(16K)
6
Seconds Interval Timer
Seconds Interval Timer
Seconds Interval Timer
Tabata, HIIT, Circuit Training
Free

Optimize your Tabata, HIIT, and circuit training with a top interval timer. Fine-tune your workouts with ease. Start now for a more efficient fitness routine!

💪 Health & Fitness
(23K)
7
Days + Date + Time Calculator
Days + Date + Time Calculator
Days + Date + Time Calculator
Days Between Two Dates
Free

Calculate the number of days, duration between dates, and time intervals with this versatile application. Easily determine the days, dates, and times between two points - Try it now!

📊 Productivity
(795)
8
Date & Time Calculator(9 in 1)
Date & Time Calculator(9 in 1)
Date & Time Calculator(9 in 1)
Best tool to work with time
$0.99

Meet new people through video chats based on your interests. Simply set up your profile, choose your preferences, and start connecting with others instantly. Find like-minded individuals and engage in meaningful conversations today!

💼 Business
(246)
9
RUN interval - Running Timer
RUN interval - Running Timer
RUN interval - Running Timer
Interval running made easier.
Free

This application simplifies interval running by allowing users to easily set up and record customized running sessions using time or distance targets for different effort levels. It provides detailed feedback, sharing options, and works seamlessly with an Apple Watch. Improve your running sessions today!

💪 Health & Fitness
(980)
10
Time Card Calculator-Timeclock
Time Card Calculator-Timeclock
Time Card Calculator-Timeclock
Calculate Paycheck Punch Hours
Free

This application is a Time Card Calculator for tracking weekly and bi-weekly timesheets. Users can log in and out to calculate work hours, add lunch breaks, and compute overtime pay rates. Simplify your paycheck calculations with ease!

📊 Productivity
(1.2K)
11
Next Up - Interval Timer
Next Up - Interval Timer
Next Up - Interval Timer
Customizable interval timer
Free

A customizable interval timer app where you can create and customize your intervals, sets, colors, and sounds. Features include detailed and full-screen display modes, progress highlighting, swipe actions for easy management, and the ability to sync and share timers. Privacy Policy and Terms of Use available. Start optimizing your intervals now!

💪 Health & Fitness
(2.8K)
12
Intervals Pro: HIIT Timer
Intervals Pro: HIIT Timer
Intervals Pro: HIIT Timer
Running & Fitness Workouts
Free

Intervals Pro is an innovative HIIT timer app designed to help users optimize their workout routines. With customizable interval settings and audio cues, this app maximizes efficiency and motivation during high-intensity training sessions. Elevate your fitness regimen with Intervals Pro today!

💪 Health & Fitness
(13K)
13
TimeCalc: Time Calculator
TimeCalc: Time Calculator
TimeCalc: Time Calculator
Working hours, between & more
Free

Calculate your work hours effortlessly with this intuitive app. Keep track of your time spent on different tasks and projects with ease, simplifying your time management.

🔧 Utilities
(89)
14
Time + Date Calculator
Time + Date Calculator
Time + Date Calculator
Best tool to work with time
$0.99

Utilize the ultimate Time and Date Calculator app for seamless time management. Calculate time differences, workdays, add/subtract time, convert between various units, predict future dates, manage time zones, determine your age, and plan trips efficiently. Download now for enhanced productivity.

🔧 Utilities
(944)
15
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

PCalc Lite is the ideal calculator app for scientists, engineers, students, and programmers offering RPN mode, multi-line display, unit conversions, constants, and more. Try it for free on your iPad and upgrade for additional features or themes. Also available on Apple Watch for on-the-go calculations.

🔧 Utilities
(213)
16
Hours + Minutes Calculator Pro
Hours + Minutes Calculator Pro
Hours + Minutes Calculator Pro
Minutes + Seconds Calculator
Free

Calculate time easily with this app - enter hours, minutes, and seconds for precise calculations. Perfect for various time calculations like adding or subtracting days, hours, minutes, and more.

📊 Productivity
(165)
17
Timer+ Timers and Stopwatches
Timer+ Timers and Stopwatches
Timer+ Timers and Stopwatches
Cooking, Workouts, Meditation
Free

Set and manage multiple timers and stopwatches simultaneously with the ability to run multi-step countdowns. Stay organized and efficient with this comprehensive timer application. Try it now for improved time management!

🔧 Utilities
(40K)
18
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
big buttons and wallpapers
Free

A free calculator app with HD graphics and multitasking support. Features general math operations, memory functions, thousands separators, and multilingual UI. Try it for quick and easy calculations on the go!

🔧 Utilities
(3.1K)
19
Toggl Track: Hours & Time Log
Toggl Track: Hours & Time Log
Toggl Track: Hours & Time Log
Tracking & Hours Management
Free

Track your work hours efficiently with a user-friendly application that helps you monitor and manage your time effectively. Simplify your time-tracking process and increase productivity today with this powerful tool!

💼 Business
(9.3K)
20
Hours Tracker: Time Calculator
Hours Tracker: Time Calculator
Hours Tracker: Time Calculator
Work Log & Hour Tracking Clock
Free

Track your work hours efficiently and accurately with our time calculator app. Log your work hours, set reminders, and generate reports easily. Stay organized and manage your time effectively.

🔧 Utilities
(68K)