Comparison

User Calendar vs Mega Calendar

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

Head to head
About

User Calendar

A versatile calendar app for managing work, vacations, and reminders. It offers Gregorian and Lunar calendar views, customizable alerts, and cloud storage for settings. Supports a wide range of countries and allows for custom holiday designations.

Highlights
  • Gregorian and Lunar calendar query
  • Customizable reminders with color-coding
  • System calendar integration
  • Cloud storage for settings
  • Customizable holidays and workdays
  • Country-specific calendar information
Features
Read full description

This is a powerful calendar program that allows you to customize the date of work and vacation, set various reminders, integrate system calendars, and store settings in the cloud space. 1.Gregorian and Lunar Query 2.Customize reminders for different colors of the Gregorian or Lunar calendar 3.Integrating system calendars, you can view system calendars directly 4.User-set calendars can exist in the cloud space of a personal account, and the change is not lost 5.Interval reminder 6.You can add special dates to the system calendar. The display will be distinguished by different colors, or you can hide other system calendars to distinguish between work and family trips 7.Reminder for weekdays (not counting holidays) 8.Users can customize vacation or non-holiday features 9.Astrology calendar 10.You can choose which country's calendar information to display, List of supported countries : If the country is not on the list, or the holiday is different because of different regions, you can also customize which day is a holiday or non-holiday 1.Taiwan 2.China 3.Hong Kong 4.Macau 5.Malaysia 6.Singapore 7.Japan 8.South Korea 9.Philippines 10.Vietnam 11.India 12.Canada 13.France 14.Germany 15.Austria 16.Switzerland 17.Czech Republic 18.Australia 19.Netherlands 20.Belgium 21.Luxembourg 22.Spain 23.Argentina 24.Paraguay 25.Mexico 26.Chile 27.Costa Rica 28.Portugal 29.Brazil 30.Italy 31.Ireland 32.United Kingdom 33.New Zealand 34.United States

About

Mega Calendar

Organize your schedule with detailed daily planning, recurring event setup, and customizable reminders. Create travel itineraries, manage to-do lists with notifications, and access all features offline. Personalize notification sounds to distinguish between events.

Highlights
  • Detailed daily planning
  • Recurring event setup
  • Customizable reminders
  • Travel itinerary creation
  • To-do list management
  • Offline functionality
  • Customizable notification sounds
Features
Read full description

Mega Calendar: Your Ultimate Time Management Companion Plan your day or multiple days in advance. Effortlessly schedule your day or multiple days in detail, ensuring you stay organized and never miss an important event or activity. SHARED GROUP CALENDARS - PLAN TOGETHER WITH THE PEOPLE AROUND YOU This is what makes Mega Calendar truly special - a feature most calendar apps simply don't have. Create a shared group, invite the people around you, and everyone sees the same plan update in real time. - Create a group and invite family, friends, roommates or teammates with a simple invite code - Share any plan or event to the group with a single tap - Everyone stays in sync automatically - changes appear instantly for all members - See who created or updated each shared event - Perfect for family schedules, trips, study groups, team projects and shared chores Stop juggling screenshots and group chats - keep everyone literally on the same page. Set up recurring events. Simplify reminder scheduling by repeating events daily, weekly, monthly or annually. Get timely reminders for upcoming appointments and event starts. Never forget or miss an appointment again with customizable reminders. Receive alerts well in advance of event start times. Plan trips with family or friends. Create comprehensive travel plans including itineraries, accommodations, sightseeing and more - then share them with your group so everyone is ready. To-do lists and notifications. Stay on top of your tasks by creating to-do lists and receiving notifications before each task is due. Offline functionality. Plan and manage your time anytime, anywhere — even without an internet connection. Customize notification sounds. Distinguish events using different notification sounds for each event or plan. Download Mega Calendar today and start organizing your time - together. Never miss another event again. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

User Calendar4 screens
Mega Calendar4 screens

Verdict

The call

The clearest difference is in-app purchases: User Calendar at none against Mega Calendar's 3. User Calendar also leads on iOS requirement (12.0 vs 15.0). Mega Calendar's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, rating, ratings volume and ads 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. Mega Calendar sells 3 in-app purchases, starting at $0.99 per month. User Calendar asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for User Calendar against 5.0 for Mega Calendar. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

User Calendar ships an update every 5 weeks, Mega Calendar every 2 weeks. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
User Calendar versus Mega Calendar: the parameters behind the verdict, then further details
ParameterUser CalendarMega Calendar
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size13 MB103 MB
Age rating4+4+
DeveloperYihang HuangVU THANH

Customer experience

User Calendar

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Mega Calendar

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews16 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

User Calendar

No in-app purchases

3 purchases

Mega Calendar

Subscriptions2
  • Monthly$0.991 Month
  • Yearly$3.991 Year
One-time1
  • Lifetime$7.99

Questions

Is User Calendar free?
User Calendar is free to download, with no in-app purchases.
Is Mega Calendar free?
Mega Calendar is free to download, with in-app purchases available.
Which has better reviews, User Calendar or Mega Calendar?
User Calendar and Mega Calendar are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do User Calendar or Mega Calendar have ads?
Both User Calendar and Mega Calendar show ads.
Which is updated more often, User Calendar or Mega Calendar?
User Calendar ships an update every 5 weeks, and Mega Calendar every 2 weeks. Most recently, User Calendar was updated on October 10, 2026 and Mega Calendar on October 15, 2026.

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