Best Calendar Week Calculator Apps

243+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated October 2026

If you already know Week Calendar, this is the deeper bench. 243+ calendar week calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Calendar Week Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Week Calendar - Smart PlannerWeek Calendar - Smart PlannerFree4.4★ (10K)YesYesOct 2026
2Calendar Week CalculatorCalendar Week CalculatorFree—NoNoMay 2026
3Date and Time CalculatorDate and Time CalculatorFree4.7★ (9.7K)YesNoOct 2026
4Work Week CalculatorWork Week CalculatorFree4.3★ (3)NoNoMay 2026
5Calendar: ChronosCalendar: ChronosFree—NoYesSep 2026
6Calendar - 2026Calendar - 2026Free2.4★ (8)YesYesSep 2026
7Calendar App- Schedule PlannerCalendar App- Schedule PlannerFree—NoNoMay 2026
8This Calendar WeekThis Calendar WeekFree—NoNoMay 2026

Top Picks for Calendar Week Calculator

Week Calendar - Smart Planner#1

Week Calendar - Smart Planner by Do More Mobile, LLC.

Sync Agenda Tasks & Reminders
Editor's Choice
📊 Productivity
4.4😐(10K ratings)
FreeAdsIn-App Purchases
Week Calendar - Smart Planner screenshot 1
Week Calendar - Smart Planner screenshot 2
Week Calendar - Smart Planner screenshot 3
Week Calendar - Smart Planner screenshot 4
Week Calendar - Smart Planner screenshot 5
Week Calendar - Smart Planner screenshot 6

This app offers a highly customizable calendar experience with multiple view options and automation tools. It allows for easy event management, integration with popular calendar services, and includes features like weather forecasts and calendar insights. An optional Pro version unlocks additional widgets and features.

What We Love

  • 👍 Excellent calendar app
  • 🚀 Highly customizable
  • 💡 Useful features like color-coding, templates, and rolling events
  • 👍 Easy to use and organize schedule
  • 👍 Seamless integration with native iOS calendar

Room to Improve

  • 🐛 Occasional bugs and glitches
  • 💰 Aggressive push for subscription upgrade
  • 🔒 Concerns about privacy and data collection
  • 🔄 Removal of previously available free features
4.7😐(9.7K 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

More Calendar Week Calculator apps to explore

FAQ about Calendar Week Calculator

What are the best calendar week calculator apps for iPhone?
Week Calendar - Smart Planner tops our calendar week calculator apps ranking as of October 2026, with a 4.4-star average from 10K App Store ratings, and it's free to download.
Yes — 18 of the top calendar week calculator apps we rank are free to download, including Week Calendar - Smart Planner and Calendar Week Calculator.
Week Calendar - Smart Planner shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 243+ calendar week calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.