Comparison

Date and Time Calculator vs Date Calculator【Sunny】

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

Head to head
About

Date and Time Calculator

Calculate the exact number of days, hours, and seconds between any two dates. This tool also allows you to find the date before or after a specified period, making it useful for tracking deadlines, events, or financial products.

Highlights
  • Calculate time between any two dates
  • Second-level precision
  • Calculate future dates
  • Calculate past dates
  • Period time calculation
Read full description

Want to know how many days you can receive the Christmas gift? Want to know how many days you will have the college entrance exam?Want to know how many days the 158-day wealth management product expired? This tool helps you to calculate the distance between any time, down to second. It can also calculate the day after that day between any time. This tool is not only for wealth management but also for period time. It can tell you the date before or after a certain period.

About

Date Calculator【Sunny】

Calculate the duration between two dates or determine a future date by adding a specified duration. This utility app supports iOS 15 and includes a simple calculator function. It offers precise calculations with decimal places and handles years, months, weeks, and days.

Highlights
  • Calculate duration between two dates
  • Determine future date by adding duration
  • Supports years, months, weeks, and days
  • Shows decimal places
  • Includes a simple calculator
  • Ad-free experience
Features
Read full description

A simple date calculator for calculating duration between two dates. You can also input the duration days, months, years, weeks to get back the date. *No Ads * - support iOS 15 - add support for years - show decimal place - add a simple calculator Welcome to send me your comments!

Screenshots

Date and Time Calculator3 screens
Date Calculator【Sunny】4 screens

Verdict

The call

The clearest difference is ads: Date Calculator【Sunny】 at none against Date and Time Calculator's shown. Date Calculator【Sunny】 also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 81%). Date and Time Calculator's advantage is ratings volume (9.9K vs 2). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Date Calculator【Sunny】 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Date and Time Calculator has 9.9K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 81% of Date and Time Calculator's written reviews are positive against 100% of Date Calculator【Sunny】's.

UpkeepUpdate frequency

Date and Time Calculator ships an update every 4 weeks, Date Calculator【Sunny】 every 9 days. The most recent releases landed on November 4, 2026 and November 1, 2026 respectively.

Scorecard6 real differences · 4 level
Date and Time Calculator versus Date Calculator【Sunny】: the parameters behind the verdict, then further details
ParameterDate and Time CalculatorDate Calculator【Sunny】
PriceFreeFree
Rating4.7 (9.9K ratings)5.0 (2 ratings) — better
Positive reviews81.0% of reviews100.0% of reviews — better
Number of ratings9.9K — better2
Update frequencyEvery 4 weeksEvery 9 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size18 MB1 MB
Age rating4+4+
Developer山 钟Sunny Ng

Customer experience

Date and Time Calculator

All ratings9,733 ratings
Positive92.7%
Neutral3.4%
Negative3.9%
Written reviews609 reviews
Positive81.0%
Neutral4.8%
Negative14.3%

Date Calculator【Sunny】

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Date and Time Calculator

Reported bugs

3 issues
  • Date/time calculations not always accurate
  • Inability to close ads
  • Compatibility issues on certain devices

Requested features

4 requests
  • Option to calculate business days
  • Ability to save frequently used dates
  • 24-hour time format
  • Improved user interface

Date Calculator【Sunny】

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Date and Time Calculator

No in-app purchases

None

Date Calculator【Sunny】

No in-app purchases

Questions

Is Date and Time Calculator free?
Date and Time Calculator is free to download, with no in-app purchases.
Is Date Calculator【Sunny】 free?
Date Calculator【Sunny】 is free to download, with no in-app purchases.
Which has better reviews, Date and Time Calculator or Date Calculator【Sunny】?
Date Calculator【Sunny】 is rated higher. Date and Time Calculator averages 4.7 out of 5 from 9.9K ratings, while Date Calculator【Sunny】 averages 5.0 from 2 ratings.
Do Date and Time Calculator or Date Calculator【Sunny】 have ads?
Date and Time Calculator shows ads; Date Calculator【Sunny】 does not.
Which is updated more often, Date and Time Calculator or Date Calculator【Sunny】?
Date and Time Calculator ships an update every 4 weeks, and Date Calculator【Sunny】 every 9 days. Most recently, Date and Time Calculator was updated on November 4, 2026 and Date Calculator【Sunny】 on November 1, 2026.

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