Comparison

GrapNote vs Time Duration Calc

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

Head to head
About

GrapNote

Features
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GrapNote is a streamlined list-management app that helps you organize your thoughts and ideas effortlessly. Key Features: • Clean, intuitive interface • Eye-friendly color scheme that's gentle even at first wake-up • Full voice input support • Organize ideas across five categories: Vision, Style, Mission, Plan, and Action • Two-level inbox for unsorted items • Quick list additions from text input • Privacy-focused: all data stays on your device Perfect For: • Capturing every idea and inspiration • Managing your goals and action plans • Instantly noting daily tasks and sudden thoughts • Anchoring your project mindset and vision development Special Features: • Folder classification for structured thinking • Keyboard-optimized interface for efficiency • Lightweight performance for quick launch-to-note workflow All your data remains exclusively on your device and is never transmitted externally. Start organizing your thoughts and bringing your ideas to life with GrapNote.

About

Time Duration Calc

Features
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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.

Screenshots

GrapNote4 screens
Time Duration Calc4 screens

Verdict

The call

The clearest difference is update cadence: GrapNote at daily against Time Duration Calc's every 3 weeks. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

GrapNote ships an update daily, Time Duration Calc every 3 weeks. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 5 level
GrapNote versus Time Duration Calc: the parameters behind the verdict, then further details
ParameterGrapNoteTime Duration Calc
PriceFreeFree
Update frequencyDaily — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015
Further details — not scored
Size1 MB42 MB
Age rating4+4+
DeveloperRYU HARAGUCHIStub Creator

In-app purchases

None

GrapNote

No in-app purchases

None

Time Duration Calc

No in-app purchases

Questions

Is GrapNote free?
GrapNote is free to download, with no in-app purchases.
Is Time Duration Calc free?
Time Duration Calc is free to download, with no in-app purchases.
Do GrapNote or Time Duration Calc have ads?
Neither GrapNote nor Time Duration Calc shows ads.
Which is updated more often, GrapNote or Time Duration Calc?
GrapNote ships an update daily, and Time Duration Calc every 3 weeks. Most recently, GrapNote was updated on October 11, 2026 and Time Duration Calc on October 8, 2026.

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