Comparison

日期計算 vs Date Calendar Calculator

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

Head to head
About

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.

Highlights
  • Calculate difference between two dates
  • Calculate end date from start date and period
  • Set days inclusive
  • Exclude first day option
  • Free to use
Features
Read full description

【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]

About

Date Calendar Calculator

This app helps you calculate date and time durations, add or subtract time from dates, and determine working days. It also converts between calendars and time zones, and estimates ovulation and pregnancy due dates. The design is simple and intuitive.

Highlights
  • Calculate date and time durations
  • Add/subtract time from dates
  • Calculate working days
  • Convert between calendars
  • Convert time zones
  • Estimate ovulation and pregnancy due dates
  • Calculate current age
Features
Read full description

Master Your Timeline with Date Calendar Calculator. Date Calendar Calculator is your all-in-one tool for effortlessly calculating dates, times, ages, and schedules. Whether you are counting down the days to a special event, tracking a pregnancy, or managing global time zones for work, this app does the heavy lifting for you. =====Features===== • Calculate duration between two dates. (With optional time mode) • Calculate a date by adding or subtracting a duration from a date. (With optional time mode) • Calculate number of working days from start day. (With options to exclude certain workdays in the week & added holidays) • Calculate number of working & non-working days between 2 dates. (With options to exclude certain workdays in the week & added holidays) • Calculate multiple working hours between 2 dates. • Calculate your current age. • Convert Gregorian calendar to other calendars such as Islamic, Chinese Lunar, and many more. • Convert between time units. • Convert date and time from different time zones. • Calculate estimated ovulation and pregnancy due date. • Simple, intuitive design. ================= Download your comprehensive Date Calendar Calculator with time features today! Do send an e-mail for any feedbacks and suggestions. By downloading and installing the app, you agree to our terms of use: https://link2get.app/link/date-calculator/lrpNd

Screenshots

日期計算4 screens
Date Calendar Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: 日期計算 at none against Date Calendar Calculator's 1. 日期計算 also leads on rating (5.0 vs 4.8). Date Calendar Calculator's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (30 vs 4). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Date Calendar Calculator sells 1 one-off in-app purchase. 日期計算 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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 Calendar Calculator has 30 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

日期計算 ships an update every 3 months, Date Calendar Calculator every 3 weeks. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

Scorecard5 real differences · 5 level
日期計算 versus Date Calendar Calculator: the parameters behind the verdict, then further details
Parameter日期計算Date Calendar Calculator
PriceFreeFree
Rating5.0 (4 ratings) — better4.8 (30 ratings)
Positive reviews—71.4% of reviews
Number of ratings430 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size6 MB37 MB
Age rating4+4+
DeveloperHuaping YeYuno Solutions Sdn Bhd

Customer experience

日期計算

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Date Calendar Calculator

All ratings29 ratings
Positive96.6%
Neutral3.4%
Negative0.0%
Written reviews14 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

In-app purchases

None

日期計算

No in-app purchases

1 purchases

Date Calendar Calculator

One-time1
  • Pro Version [Ad-free]$2.99

Questions

Is 日期計算 free?
日期計算 is free to download, with no in-app purchases.
Is Date Calendar Calculator free?
Date Calendar Calculator is free to download, with in-app purchases available.
Which has better reviews, 日期計算 or Date Calendar Calculator?
日期計算 is rated higher. 日期計算 averages 5.0 out of 5 from 4 ratings, while Date Calendar Calculator averages 4.8 from 30 ratings.
Do 日期計算 or Date Calendar Calculator have ads?
Both 日期計算 and Date Calendar Calculator show ads.
Which is updated more often, 日期計算 or Date Calendar Calculator?
日期計算 ships an update every 3 months, and Date Calendar Calculator every 3 weeks. Most recently, 日期計算 was updated on October 24, 2026 and Date Calendar Calculator on October 23, 2026.

Other comparisons