Date.Time Calculator vs Days calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Date.Time Calculator
Calculate date and time differences, intervals, and perform unit conversions with a pure calculator interface. Useful for determining future or past dates, calculating total time for multiple events, and converting between various time units and POSIX time.
- Date and time point calculations
- Time interval calculations
- Unit conversion of time
- POSIX time interconversion
- Time zone mutual conversion
- Arithmetic operations with time
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Date.Time Calculator lets you easily perform calculations involving dates, times, and time intervals, as well as convert between units of time — all with the familiar feel of a calculator. Date.Time Calculator supports the following operations: * Basic arithmetic with numbers (integers and decimals) * Arithmetic with numbers and Time Intervals * Operations between Time Intervals (addition, subtraction, and division) * Operations between Time Intervals and Time Points (addition and subtraction) * Operations between Time Points (calculating the difference) * Conversion between units of time * Conversion to and from POSIX Time * Conversion between time zones Date.Time Calculator is especially useful for questions such as: * What date is 100 days from today? * What date and time was it 32,768 seconds ago? * If one lap takes 1 minute 32.6 seconds, how long will 62 laps take? * What time will it be after those 62 laps? * How many days have passed since January 23 of this year? * How many days are 100,000 seconds? * What date and time does POSIX Time 1234567890 represent? * What is the current time in POSIX Time? And with a little creativity, Date.Time Calculator can be useful in many other situations as well.
Days calc
Calculate the difference between two dates or add days to a specific date. This tool helps you determine future dates, remaining days until an event, or days passed since a past date. It conveniently saves your last calculation for quick access.
- Add days to a date
- Calculate difference between dates
- Count days, weeks, or years-months-days
- Find remaining days until a date
- Track days passed since a date
- Saves last calculated date
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This app operates using dates and days: - adds the number of days to specified date and finds the new date - finds the difference between two dates in number of days, weeks or years-months-days Choose the date, enter the number of days, and get the result! It also saves the last calculated date and updates it when launching. You will know: - which date it will be after a specific period of days - how many days remain until specific date - how many days have passed since specific date No in-app ads, no subscription necessary!
Screenshots
Verdict
The clearest difference is review sentiment: Days calc at 88% against Date.Time Calculator's 0%. Days calc also leads on update cadence (every 2 months vs every 5 months). On price, ads, in-app purchases and monetization model 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
Date.Time Calculator costs $0.99 and Days calc $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Date.Time Calculator ships an update every 5 months, Days calc every 2 months. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.
| Parameter | Date.Time Calculator | Days calc |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | — | 4.8 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 87.5% of reviews — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Noriaki HASHIBA | Evgeny Turchaninov |
Customer experience
Date.Time Calculator
Days calc
In-app purchases
Date.Time Calculator
No in-app purchases
Days calc
No in-app purchases
Questions
Is Date.Time Calculator free?
Is Days calc free?
Do Date.Time Calculator or Days calc have ads?
Which is updated more often, Date.Time Calculator or Days calc?
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