Comparison

Time Duration Calc vs Clockulator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Time Duration Calc

Features
Read full description

Calculate your age & working hours using the Time Tracker Free app in a precise manner. This application will help you deal with time calculations. This calculator will help you calculate time. With the help of a time calculator app, you can calculate tasks related to hours, minutes, and seconds. Who is this App For?: This calculator is developed keeping in mind the following entities: • Employees who need to calculate working hours. • Freelancers who are managing one or more clients. • Event planners who are juggling the starting and ending times. • Anybody who wants an effective Time Tracker Free. Features of Time Calculator Pro: • Calculates the Time in-between Dates: If you want to calculate the time in-between dates, begin by selecting the start date with its time and the ending date with its time. The time tracker will do its work of calculating the time difference for you. Consider the example below. Example: Starting date: 04-07-25, timing: 18:00 Ending date: 04-08-25, timing: 19:00 Time Difference: Duration: - 25 hour - 0.002854 year - 0.034722 month - 0.14881 week - 1.041667 day - 1,500 minute - 90,000 second • Calculate the Time using the hours, minutes, seconds, and milliseconds: This feature allows you to calculate time differences down to milliseconds. It is an ideal choice for timing events or scheduling. Below are two different examples of time calculating. Example: • 4 hours + 8 min = - 0.005741 month - 0.024603 week - 0.172222 day - 4.133333 hour - 248 min - 14,880 sec • 6 week * 9 day = - 1.035616 year - 12.6 mon - 54 week - 378 day - 9,072 hour - 544,320 min - 32,659,200 sec - Total: 1 year 1 week 6 day • Add or subtract years, months, weeks, days, hours, and minutes: Calculating past duration becomes a tough challenge. Insert starting time, date, and choose to add or subtract with the mixture of year, month, week, day, hour, or minutes. Keep an eye on the example below. Example: 5 year + 6 mon + 2 week + 4 day + 9 hour + 3 min = End Time: 20:03 Fri, Jan 17, 2031 6 year - 8 mon - 3 week - 9 day - 1 hour - 5 min = End Time: 09:55 Tue, Oct 9, 2018 • Calculate Age: Want to know your age as well as your date of birth, all in one app? Don’t worry, the Age Calculator is here to help you out. Our age app is the most accurate calculator for calculating your age and date of birth. Let’s look at a practical calculator example of it below. Example: Date of Birth: July 5, 1991 Calculation: 34 year (Today), 408 mon, 12,419 day, 298,056 hour, 17,883,360 min Why Choose Time Calculator Pro? Time Hours Calculator provides you with the following benefits: • It is one of the most explicit time calculators. • It comes equipped with the following time units: hours, minutes, seconds, milliseconds, years, months, weeks & days. • Other supported arithmetic operations include: addition, subtraction, multiplication, division & percentage. Unlike the standard time calculator, this application comes equipped with the calculation of hours, minutes, and seconds with extreme accuracy. Need to know how long a task took, or need to calculate time in-between, or add & subtract time; the time hours calculator app has got you covered. Use Cases: • Find out somebody’s exact age for their birthday plans using the birthday calculator. • Get to know how old you are in years, months, days, hours, or minutes. No matter if you’re a student or a working professional, the age calculator is the perfect tool for accurate calculations.

About

Clockulator

This app offers a comprehensive suite of tools for all your time-related calculations. It allows for direct arithmetic on hours, minutes, and seconds, along with over 40 specialized tools for durations, scheduling, and everyday time puzzles. All calculations are processed locally on your device for enhanced privacy.

Highlights
  • Real-time arithmetic on hours, minutes, seconds
  • 40+ specialized time tools
  • Duration and date calculations
  • Pace, speed, and finish time estimators
  • Work and payroll calculators
  • World clock and time zone converter
  • Privacy-focused, on-device processing
Features
Read full description

Clockulator is a complete time calculator and a full toolkit for every time question in your day. Add, subtract, multiply, and divide hours, minutes, and seconds directly — no decimal math in your head, no scratch paper. Beyond the calculator you get 40+ focused tools covering durations, pay, scheduling, world clocks, pace, and everyday oddities like baby age, pet age, and cooking timers. Core calculator • Real time arithmetic on hours, minutes, and seconds • Four result formats: clock, decimal hours, natural, total seconds • Step-by-step breakdown of every calculation • Smart paste — drop in any duration string and Clockulator parses it • Tap any value or operator to edit • Custom themes, from Classic to Atomic Age and Cyber Punk 40+ time tools • Conversion — decimal clock, 12/24 hour format, unit converter, Unix timestamp • Date math — add or subtract days, day of year, leap year, weekday finder • Duration — age calculator, countdown, date span, time between, workday counter • Pace & speed — pace, speed/distance, finish time estimator, split tables • Percentages — life percentage, percent of day, year progress • Productivity — Pomodoro planner, time blocking, meeting cost • Sleep & wellness — sleep cycle, nap timer, water intake • Work & payroll — shift calculator, overtime, time card totaler, payroll rounder, break splitter • World clock — time zone converter, meeting planner, world clock • Specialized — baby age, pet age, billing rate, music BPM, retirement timer, cooking timer Pay rate conversions Turn any duration into money at your hourly or per-minute rate. Useful for freelancers, hourly workers, and anyone who bills time. Saved history Every calculation is saved. Revisit, reuse, or copy any result from a searchable history. Privacy first Everything runs on your device. No account, no sign-in, no servers, no tracking. Optional iCloud sync keeps your history in step across your own devices. iPhone and iPad Native on both, with a layout that adapts to every screen size. Terms (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Time Duration Calc4 screens
Clockulator4 screens

Verdict

The call

The clearest difference is in-app purchases: Time Duration Calc at none against Clockulator's 2. Time Duration Calc also leads on iOS requirement (15 vs 26.2). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Clockulator sells 2 in-app purchases, starting at $2.99 per month. Time Duration Calc asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Time Duration Calc versus Clockulator: the parameters behind the verdict, then further details
ParameterTime Duration CalcClockulator
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15 — better26.2
Further details — not scored
Size42 MB46 MB
Age rating4+4+
DeveloperWebbyGenius Infotech Private LimitedLife Utility Apps, LLC

In-app purchases

None

Time Duration Calc

No in-app purchases

2 purchases

Clockulator

Subscriptions1
  • Monthly$2.991 Month
One-time1
  • Lifetime Access$14.99

Questions

Is Time Duration Calc free?
Time Duration Calc is free to download, with no in-app purchases.
Is Clockulator free?
Clockulator is free to download, with in-app purchases available.
Do Time Duration Calc or Clockulator have ads?
Neither Time Duration Calc nor Clockulator shows ads.

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