Date & Time Interval vs Shift Work Calendar & Schedule
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Date & Time Interval
Calculate time intervals, age, and perform date arithmetic with ease. This tool helps you add or subtract years, months, and days, convert time zones, and count exact hours and days between dates.
- Calculate interval between two dates
- Detailed age calculator
- Add/subtract years, months, days
- Convert time zones
- Hour and minute calculations (HH:MM format)
- Working week calculator (include/exclude weekends)
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In search of an easy to use time calculator and age calculator? Do you want to have a date calculator with days counter and see the exact hours and days between dates? Introducing Date & Time Interval, your new favourite date to date calculator. Use this advanced time hours calculator and: .. make simple mathematical hours calculations .. add/subtract hours with an easy-to-use hours calculator .. find the interval between two different dates .. calculate your exact age with a super-detailed age calculator, and much more. Date & Time Interval is a free hour, days counter & time calculator app that not only helps you with making simple mathematical hour operations, including adding or subtracting years, months, and days to any date, but it also enables you to convert time zones, find dates and time intervals, and calculate your exact age with details. So, if you are looking for an easy to use yet advanced date and time calculator that calculates days between dates, you have come to the right place. Download Date & Time Calculator for free and say goodbye to all the mental calculations you used to do while calculating your age. ◉ ADVANCED TIME CALCULATOR TO FIND AN INTERVAL BETWEEN TWO DATES Date & Time Calculator, the free date & age calculator, and time zone converter come with a clean and neat design, and the interface is so user-friendly that you will get the whole idea as soon as trying to calculate a date interval or making simple calculations on a specific date and time. Here are some reasons while you will love our date finder & hours and minutes calculator. + Hour and Minute Calculator: Use this calculator to perform operations in HH:MM format. This will take away the pain of converting each time unit into a decimal point and performing the operations. For example, adding 5hours 32 minutes and 2hours and 23 minutes in this app is 5:32 + 2:23 + Convert time zones with ease: Make use of a simple time zone converter feature that lets you check the time in almost any location all around the world, with the option to convert time between different time zones. + Find weekdays between two dates: What makes this time calculator app stand out in the competition is the option to find weekdays between two days. Find the remaining days between two dates with the option to include/exclude weekends using our unique working week calculator. + How old are you? Find your exact age: How do you usually calculate your age? Using the advanced age calculator feature, you can find out your exact age and see how many minutes, hours, days, weeks, months, and years you have lived since your birthday. + Add/subtract years, months, and days to any date: There is no need to look at the date calendar to figure out a future date or even a previous date. To get started, choose a date, specify how many days, months, or years you wish to add/subtract with our date to date calculator, and in the blink of any eye, you will see the calculated date. + Time Calculator : How do you usually work on a Timesheet? Using the Time calculator feature, calculations like adding 1 hour 20 minutes + 2 hour 32 minutes is easier than ever. No more conversions to decimal points and doing mental calculations What else? Well, there is still a lot to discover about this advanced time calculator app. And since the entire features of the Date & Time Calculator are available for free, there is no harm giving it a try and explore the features for yourself. ◉ DATE & TIME CALCULATOR MAIN FEATURES AT A GLANCE: - Clean and neat design with a fresh and intuitive interface - Use age calculator to find out how old you are - Time zone converter supporting all the cities and regions in the world - Add or subtract years, months, and days to any date with the simplest date to date calculator - Find weekdays between two dates with our simple weekday calculator Let us know about any bugs, questions, feature requests, or any other suggestions.
Shift Work Calendar & Schedule
Organize your work and personal life with this calendar app designed for shift workers. Easily plan your days off, track income, and manage complex schedules. Supports multiple calendars for different jobs or colleagues.
- Create custom and preset shift patterns
- Track income and hourly rates
- Manage multiple job calendars
- Input personal events and vacations
- Analyze working hours and earnings
- Compare schedules with coworkers
- Backup and restore calendars
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Shift Work Calendar Planner is a free calendar app for shift workers or for people who want to organise their work and everyday life. The simple and concise interface of the application allows you quickly display a schedule of any complexity. You can plan your off days with ease and keep track of your ever-changing schedule. It is especially beneficial for firefighters, nurses, linemen, deputy sheriffs, and other professionals who have a constantly changing schedule. You can create as many calendars as you want and use them for different jobs or to track coworkers' schedules. This app offers its own list of preset work shift patterns that you can immediately use. If your shift work doesn’t fall into any of those patterns, you can set a custom shift pattern and use it, or adjust and edit preconfigured ones. The app is not only for work schedule roster, you can input your vacations, personal events, gym, holidays, etc. The app also has a date search feature that lets you check if you’re supposed to be working on a particular day in the future, or compare calendars with coworkers. Shifts : Create or use preset, fully configurable shifts. Enter your income, hourly rate, working time. Customise it with different colours and icons. Type a note for a shift or change its description. Put as many shifts on any date as you need. Use preset shift patterns to add shifts quickly for longer periods. Multiple Calendars : Create multiple Jobs/Calendars. Create job schedules for multiple people. Compare them on one page, date by date. Backup and restore your calendars. Personalize your calendar with multiple color palettes, icons and themes. Analytics: Track your working hours, shifts, personal events and money earned. Select a period to see your income for each week, month or year. Working goals and custom periods are under development. If you have any suggestions or questions, or you do not understand how to make your custom pattern, or you want to correct or add a translation for this app, send me an email please - 4thfloorapps.help@gmail.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Date & Time Interval and Shift Work Calendar & Schedule both sit at 4.7 stars, but that hides the real split: 82% of Date & Time Interval's written reviews are positive against 47% of Shift Work Calendar & Schedule's. Date & Time Interval also leads on in-app purchases (none vs 9) and iOS requirement (12.0 vs 15.6). On price, rating, ratings volume and update cadence there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Shift Work Calendar & Schedule sells 9 in-app purchases, starting at $0.99 per month. Date & Time Interval asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for Date & Time Interval against 4.6 for Shift Work Calendar & Schedule. Both are backed by a comparable volume of ratings — 115 and 304 respectively. Written reviews are what separate them: 82% of Date & Time Interval's written reviews are positive against 47% of Shift Work Calendar & Schedule's.
Date & Time Interval ships an update every 4 weeks, Shift Work Calendar & Schedule monthly. The most recent releases landed on September 12, 2026 and September 21, 2026 respectively.
| Parameter | Date & Time Interval | Shift Work Calendar & Schedule |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (115 ratings) — better | 4.6 (304 ratings) |
| Positive reviews | 81.8% of reviews — better | 46.8% of reviews |
| Number of ratings | 115 | 304 — better |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 15 MB | 48 MB |
| Age rating | 9+ | 4+ |
| Developer | SACHIN SABU | 4TH FLOOR APPS SIA |
Customer experience
Date & Time Interval
Shift Work Calendar & Schedule
In-app purchases
Date & Time Interval
No in-app purchases
Shift Work Calendar & Schedule
- 1 Month of Shift Work Calendar7 Days trial$0.991 Month
- Shift Work Calendar Premium7 Days trial$0.997 Days
- 1 Month of Shift Work Calendar7 Days trial$2.991 Month
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- 3 Months Shift Work Schedule7 Days trial$5.993 Months
- 1 Year of Shift Work Calendar7 Days trial$11.991 Year
- 1 Year of Shift Work Calendar$11.991 Year
- 1 Year of Shift Work Calendar14 Days trial$11.991 Year
- 1 Year of Shift Work Calendar7 Days trial$22.991 Year
- Shift Work Lifetime Premium$12.99
Questions
Is Date & Time Interval free?
Is Shift Work Calendar & Schedule free?
Which has better reviews, Date & Time Interval or Shift Work Calendar & Schedule?
Do Date & Time Interval or Shift Work Calendar & Schedule have ads?
Which is updated more often, Date & Time Interval or Shift Work Calendar & Schedule?
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