Best Day Calculator Apps

250+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated November 2026

From beginner-friendly picks to power-user tools, our day calculator list covers 250+ iPhone apps updated through November 2026. Compare ratings, prices, and screenshots in one place.

Compare top Day Calculator Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Date and Time CalculatorDate and Time CalculatorFree4.7★ (9.9K)YesNoNov 2026
2DayCountDayCountFree4.7★ (26K)NoYesNov 2026
3Date Calculator, Days CalcDate Calculator, Days CalcFree4.5★ (131)NoYesNov 2026
4The Date Calculator PROThe Date Calculator PROFree4.7★ (2.6K)YesYesNov 2026
5Day Calculator EliteDay Calculator EliteFree—NoNoMay 2026
6Days + Date + Time CalculatorDays + Date + Time CalculatorFree4.7★ (879)YesNoNov 2026
7Number of Days CalculatorNumber of Days CalculatorFree—YesNoMay 2026
8DayFinder - Date CalculatorDayFinder - Date CalculatorFree—YesNoNov 2026

Top Picks for Day Calculator

4.7😐(9.9K ratings)
FreeAds
Date and Time Calculator screenshot 1
Date and Time Calculator screenshot 2
Date and Time Calculator screenshot 3

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.

What We Love

  • 💡 Helpful for tracking dates and time
  • 👍 Simple and easy to use
  • 🚀 Accurate calculations
  • 🚀 Useful for various purposes (medication management, work timelines, etc.)

Room to Improve

  • 🐛 Ads are intrusive and difficult to close
  • 🐛 Compatibility issues on iPad
  • 🐛 Bugs with date/time calculations
  • 🐛 Language issues with ads
DayCount#2

DayCount by Zaminiti Pty Ltd

Countdown Days Until Or Since
Strong Contender
📊 Productivity
4.7😊(26K ratings)
FreeIn-App Purchases
DayCount screenshot 1
DayCount screenshot 2
DayCount screenshot 3
DayCount screenshot 4
DayCount screenshot 5
DayCount screenshot 6

Track upcoming events and past milestones with customizable counters. Build positive habits with streak tracking and set timely reminders. Personalize your experience with themes and widgets, and sync across devices for seamless management.

What We Love

  • 👍 Intuitive and easy to use
  • 🚀 Clean and fast app
  • 💡 Customizable backgrounds and themes
  • 🎨 Beautiful and visually appealing design
  • 🕰️ Accurate countdown tracking

Room to Improve

  • 🔒 Requires sign-in/account to use full features
  • 💰 Paid subscription for advanced features
  • 🐛 Bugs and glitches after updates
  • 🔄 Lost data/events after updates
  • 📊 Limited functionality in free version
Date Calculator, Days Calc#3

Date Calculator, Days Calc by Phan Nhat Đang

Time: Add, Between, Difference
Worth Considering
🔧 Utilities
4.5(131 ratings)
FreeIn-App Purchases
Date Calculator, Days Calc screenshot 1
Date Calculator, Days Calc screenshot 2
Date Calculator, Days Calc screenshot 3
Date Calculator, Days Calc screenshot 4

Easily solve date math problems with multiple calculation options. This intuitive app helps you find the difference between dates, add or subtract days, and calculate workdays. It's simple and user-friendly for all your date-related needs.

More Day Calculator apps to explore

FAQ about Day Calculator

What are the best day calculator apps for iPhone?
Date and Time Calculator tops our day calculator apps ranking as of November 2026, with a 4.7-star average from 9.9K App Store ratings, and it's free to download.
Yes — 19 of the top day calculator apps we rank are free to download, including Date and Time Calculator and DayCount.
Date and Time Calculator shows ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 250+ day calculator apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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