Date and time calc vs Date and Time Checker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Date and time calc
Easily calculate the difference between dates or add/subtract time intervals. This utility app simplifies date and time arithmetic with straightforward operations.
- Date difference calculation
- Date addition and subtraction
- Time difference calculation
- Time addition and subtraction
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This is a convenient app that makes date and time calculations easy. With simple operation, you can quickly perform the calculations you need. # Features - Date difference calculation - Date addition and subtraction - Time difference calculation - Time addition and subtraction
Date and Time Checker
Easily calculate elapsed time, dates, and durations with multiple calculation formats. Save your results as a history for quick reference. Ideal for tracking work hours, travel time, or significant dates.
- Calculate elapsed time (hours, minutes, seconds)
- Calculate elapsed dates (days, weeks, months, years)
- Add or subtract time/dates
- Set alert notifications for calculated times/dates
- Save calculation results as history
- Option to include/exclude first day in date calculations
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"Date and Time Checker" is an application that can easily calculate the date, number of days, time, etc.Multiple calculation formats are available for various applications. The following calculation formats are available. 1. "End time - Start time" 2. "Specified time ± Elapsed time" 3. "End date - Start date" 4. "Specified date ± Elapsed date" 1. "End time - Start time" Calculate the elapsed time from the start time to the end time (hour / minute / second, etc.). It is also possible to exclude any time (minutes). 2. "Specified time ± Elapsed time" Calculate the elapsed time (later / ago) from the specified time. It is also possible to receive an alert notification at the calculated time. 3. "End date - Start date" Calculate the elapsed days (days / weeks / months / years, etc.) from the start date to the end date. You can choose to calculate the first day as 0 day or 1 day. 4. "Specified date ± Elapsed date" Calculate the elapsed date (later / ago) from the specified date. It is also possible to receive an alert notification on the calculated date. You can save the calculation results and check them as a history. 【Use cases of Date and Time Checker】 ・ Calculation of working hours ・ Calculation of overtime hours ・ Calculation of sleep time ・ Calculation of possible stay time ・ Calculation of work time ・ Calculation of waiting time ・ Back calculation of departure time ・ Calculation of travel time ・ Calculation of end time of abandoned game ・ Check how many days have passed since you were born ・ Calculate how many years have passed since you purchased ・etc Use the Date and Time Checker to quickly check the cumbersome date and days calculations.
Screenshots
Verdict
The clearest difference is review sentiment: Date and Time Checker at 100% against Date and time calc's 29%. Date and Time Checker also leads on update cadence (every 3 months vs every 11 months). Date and time calc's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement 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. Date and Time Checker sells 2 one-off in-app purchases. Date and time calc asks for nothing beyond the download.
Date and time calc ships an update every 11 months, Date and Time Checker every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Date and time calc | Date and Time Checker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 28.6% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 11 months | Every 3 months — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Osamu Ishigami | mitsuhiro nara |
Customer experience
Date and time calc
Date and Time Checker
In-app purchases
Date and time calc
No in-app purchases
Date and Time Checker
- Remove Ads$3.99
- Export to File$3.99
Questions
Is Date and time calc free?
Is Date and Time Checker free?
Do Date and time calc or Date and Time Checker have ads?
Which is updated more often, Date and time calc or Date and Time Checker?
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