Best Date Converter: All Calendars Apps

250+ iOS apps curated and reviewed

4.6 avg rating

19 free apps

Updated August 2026

Looking for free date converter: all calendars apps? 19 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Date Converter: All Calendars Apps (August 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Roozegar - روزگار	Free	4.7★ (10K)	No	No	Sep 2026
2	Date Converter: Calendars	Free	4.4★ (102)	Yes	Yes	Sep 2026
3	Ethiopian Calendar & Converter	Free	4.8★ (4.1K)	No	No	Sep 2026
4	Date Converter: All Calendars	Free	—	No	No	May 2026
5	Dates Convert	Free	—	Yes	Yes	Sep 2026
6	Date Converter (تبدیل تاریخ)	Free	5.0★ (2)	No	No	Sep 2026
7	Calendar · Planner & Reminders	Free	4.6★ (59K)	Yes	Yes	Sep 2026
8	Almanac Converter	Free	—	No	No	Jun 2026

Top Picks for Date Converter: All Calendars

#1

Roozegar - روزگار by Reza Moallemi

Roozegar, Persian Calendar

Editor's Choice

🔧 Utilities

4.7😊(10K ratings)

Free

Roozegar - روزگار screenshot 1

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Roozegar - روزگار screenshot 3

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Roozegar - روزگار screenshot 5

Roozegar - روزگار screenshot 6

This app provides a comprehensive Persian (Jalali) calendar for iPhone, iPad, and Apple Watch. It includes date conversion tools and multiple widgets for easy access to your schedule. You can also log events directly into your system calendar.

What We Love

👍 Simple and easy to use
🚀 Accurate and reliable
💡 Useful features like date conversion
🌟 Great integration with Apple ecosystem

Room to Improve

🐛 Issues with event reminders and notifications
🔧 Needs more customization options
⚠️ High CPU usage on some devices

#2

Date Converter: Calendars by TenTal

Convert dates across calendars

Strong Contender

🔧 Utilities

4.4(102 ratings)

FreeAdsIn-App Purchases

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Date Converter: Calendars screenshot 6

Easily convert dates between various calendar systems like Gregorian, Islamic, Coptic, and Hebrew. Features authentic month names and a modern, customizable interface for researchers, historians, and religious observers.

#3

Ethiopian Calendar & Converter by Teferi Aleme

Holidays, Reminders, Prayers

Worth Considering

📊 Productivity

4.8😊(4.1K ratings)

Free

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This app provides a comprehensive Ethiopian calendar, including Orthodox holidays, fasting days, and national events. It features a date converter, time zone adjustments, and reminders for birthdays and significant dates. Additional utilities like a calculator, notes, and world clock enhance its functionality.

What We Love

👍 User-friendly
🚀 Excellent features
🎉 Great app
💯 Highly recommended
🌟 Best app
🙌 Wonderful
👏 Amazing
✨ Fantastic
🤩 Impressive
🔥 Awesome

Room to Improve

🐛 Incorrect holiday dates
🐛 Bugs and glitches
🔍 Misleading information
🚫 Useless for Muslims
💤 Dated design
📢 Intrusive notifications

More Date Converter: All Calendars apps to explore

Date Converter: All Calendars

Date Converter: All Calendars

Date Converter: All Calendars

by Fahad Alrashidi

Convert dates in any calendar

Easily convert dates between various calendar systems, including Gregorian, Persian, Islamic, Hebrew, Japanese, and Indian. Calculate the time difference between any two dates with a simple and intuitive interface.

Date conversion between multiple calendarsCalculate date differencesSupports Gregorian, Persian, Islamic, Hebrew, Japanese, Indian calendars

free with in-app purchases

Date Converter (تبدیل تاریخ)

Date Converter (تبدیل تاریخ)

Date Converter (تبدیل تاریخ)

Gregorian, Shamsi, Qamari

Easily convert dates between Gregorian, Shamsi, and Qamari calendars. This app displays important occasions, supports local languages, and offers offline functionality. Share dates and receive notifications.

Gregorian, Shamsi, Qamari date conversionDisplays occasionsLocal language support

Calendar · Planner & Reminders

Calendar · Planner & Reminders

Calendar · Planner & Reminders

Tasks, Agenda & To Do List AI

This app offers a streamlined calendar experience with beautiful, intuitive views of your schedule. It unifies events and reminders, allows for quick natural language event entry, and provides contact history. It supports major calendar services and offers premium features through subscription.

Intuitive day and month viewsUnified events and remindersNatural language event entry

📊 Productivity

free with in-app purchases

Almanac Converter

Almanac Converter

Almanac Converter

Calendar, TZ & Timestamp

Time Master Converter

Time Master Converter

Time Master Converter

Calendar, TZ & Timestamp

Calendar Converter–Lunar&solar

Calendar Converter–Lunar&solar

Calendar Converter–Lunar&solar

World Date Converter

World Date Converter

World Date Converter

by BEK Service LTD

Time Calc & Converter

Time Calc & Converter

Time Calc & Converter

Smart Timezone Tools

Calendar App- Schedule Planner

Calendar App- Schedule Planner

Calendar App- Schedule Planner

Plan Your Day, Week & Life

📊 Productivity

Time Query and Converter

Time Query and Converter

Time Query and Converter

Smart Timezone&Timestamp Tools

World calendar converter

Universal Calendar Converter

Universal Calendar Converter

Universal Calendar Converter

Compare dates across calendars

Calends: Merge Calendars

Calends: Merge Calendars

Calends: Merge Calendars

Share work & family schedules

📊 Productivity

DevTime: Date & Time Toolkit

DevTime: Date & Time Toolkit

DevTime: Date & Time Toolkit

Unix · ISO · Timezone Tools

🛠️ Developer Tools

OneCalendar Free - All in one calendar

OneCalendar Free - All in one calendar

OneCalendar Free - All in one calendar

This app combines multiple productivity tools into a single interface. Manage your schedule, to-do lists, weather forecasts, and notes with photo diaries, all in one place.

Calendar synchronizationTo-do list managementWeather forecasts

📊 Productivity

by Maghawry Maghawry

FAQ about Date Converter: All Calendars

What are the best date converter: all calendars apps for iPhone?

Roozegar - روزگار tops our date converter: all calendars apps ranking as of August 2026, with a 4.7-star average from 10K App Store ratings, and it's free to download.

Are there free date converter: all calendars apps for iPhone?

Yes — 19 of the top date converter: all calendars apps we rank are free to download, including Roozegar - روزگار and Date Converter: Calendars.

Does Roozegar - روزگار have ads or in-app purchases?

Roozegar - روزگار has no ads and has no in-app purchases, according to its App Store listing as of August 2026.

How many date converter: all calendars apps are on the App Store?

We track 250+ date converter: all calendars apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.

What is Roozegar?

Roozegar is a comprehensive Persian (Jalali) calendar application designed for iPhone, iPad, and Apple Watch. It offers a complete calendar experience with features like date conversion and event management.

What are the key features of Roozegar?

Key features include a complete Jalali calendar, a tool to convert dates between different calendars, multiple widget options for quick access, and the ability to register events directly into your device's system calendar. It also supports Apple Watch.