日期計算 vs Date & Time Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
日期計算
Easily determine the number of days between two specific dates. This tool also calculates an end date based on a starting date and a specified duration. It offers options to include or exclude the first day in the calculation.
- Calculate difference between two dates
- Calculate end date from start date and period
- Set days inclusive
- Exclude first day option
- Free to use
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【日期計算】 1. 快速計算兩個日期之間的日數差距 2. 根據指定的日數及起始日期,計算結束日期 3. 自訂「包括首尾兩日」或「不包括首天」 【Day Calculator】 1. Quickly calculate the difference between two dates. 2. Calculate End Date based on the given Period and Starting Date. 3. Allow free setting of [both days inclusive] and [exclude first day]
Date & Time Calculator
Calculate the duration between two dates, including workdays, or add/subtract time units to a specific date. This tool helps with planning, scheduling, and tracking time-sensitive tasks with a clean, minimalist interface.
- Count days, months, years between dates
- Add or subtract date and time units
- Calculate business days in a range
- Add or subtract working days
- Option to include start date
- Light and dark themes
- Offline availability
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Whether you're planning a vacation, scheduling a project or simply settling a "how many days until..." question, Date & Time Calculator gives you fast, accurate answers every time. This minimalist date duration calculator finds the exact number of days between two dates, and adds or subtracts time from any date with a single tap. No more counting squares on a calendar or guessing the math in your head. From everyday planning to precise business scheduling, it's the date and time tool that quietly handles the numbers so you don't have to. WHAT YOU CAN DO • Days between dates — calculate the exact gap between any two calendar dates in years, months, weeks, days, hours and minutes. • Add or subtract time — add or remove years, months, weeks, days, hours and minutes from any date to land on a new one. • Business days between dates — count only the working days within a range, ideal for project timelines and leave planning. • Add or subtract workdays — shift a date by a set number of working days, with customizable settings for your week. WHY YOU'LL LOVE DATE & TIME CALCULATOR • Precise results — accurate down to the minute, every single time. • Workday-aware — handle business days separately from calendar days. • Include start date — toggle whether the first day counts in your total. • Flexible settings — tailor every calculation to the way you work. • Clean and instant — get your answer the moment you enter the dates. • Works offline — no internet connection required. • Light & dark themes — a minimalist design that is easy on the eyes. • 70+ languages — built for users worldwide. HOW IT WORKS 1. Choose Difference, Add/Subtract or Workdays. 2. Enter your dates, or the amount of time to add or subtract. 3. Get your exact answer instantly — then plan with confidence. EVERYDAY USES • Count down the days to a holiday, birthday, wedding or deadline. • Work out a baby's due date or a pregnancy timeline. • Track notice periods, contracts, warranties and trial periods. • Plan project milestones and delivery dates in business days. • Find out exactly how long until — or since — any event. PERFECT FOR • Professionals managing timelines and business days. • Planners, freelancers and project managers. • Students and anyone with deadlines to hit. • Curious minds who just need the number, fast. WHY A DATE CALCULATOR BEATS A CALENDAR Flipping through calendar pages is slow and error-prone, especially across months or years, or when you only want to count working days. Date & Time Calculator does the heavy lifting instantly and accurately, so you can trust the result whether you're counting two weeks or two decades. ACCURATE BUSINESS-DAY MATH Project managers, HR teams, lawyers and freelancers all live by working days, not just calendar days. With dedicated workday tools, you can count the business days in a range or add and subtract working days from any date — perfect for delivery dates, notice periods and deadlines that skip the weekend. SIMPLE ENOUGH FOR EVERYDAY, PRECISE ENOUGH FOR WORK The clean, three-tab design keeps things effortless: pick what you want to calculate, enter your dates, and read your answer. There's nothing to learn and nothing to get in your way. Date and time calculator: count the days between two dates, add or subtract years, months, weeks, days, hours and minutes, calculate business days and workdays in any range, and find any deadline, duration, due date or anniversary with ease. Download Date & Time Calculator today and never do calendar math by hand again. Privacy Policy: https://www.shpavda.com/products/date-calculator/privacy/ Terms & Conditions: https://www.shpavda.com/products/date-calculator/terms/ios/
Screenshots
Verdict
The clearest difference is in-app purchases: 日期計算 at none against Date & Time Calculator's 2. Date & Time Calculator's advantage is ratings volume (28 vs 4) and iOS requirement (13.0 vs 15.0). On price, rating, update cadence and ads 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 & Time Calculator sells 2 in-app purchases, starting at $0.99 per month. 日期計算 asks for nothing beyond the download.
日期計算 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Date & Time Calculator has 28 ratings behind it against 4, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.
| Parameter | 日期計算 | Date & Time Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.8 (28 ratings) |
| Positive reviews | — | 77.8% of reviews |
| Number of ratings | 4 | 28 — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 114 MB |
| Age rating | 4+ | 4+ |
| Developer | Huaping Ye | SHPAVDA, TOO |
Customer experience
日期計算
Date & Time Calculator
In-app purchases
日期計算
No in-app purchases
Date & Time Calculator
- Monthly Ad-Free$0.991 Month
- Yearly Ad-Free$9.991 Year
Questions
Is 日期計算 free?
Is Date & Time Calculator free?
Which has better reviews, 日期計算 or Date & Time Calculator?
Do 日期計算 or Date & Time Calculator have ads?
Which is updated more often, 日期計算 or Date & Time Calculator?
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