Comparison

Mega Calendar vs Quietdays

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

Head to head
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/

About

Quietdays

Features
Read full description

The countdown app with no ads, free basic widgets, free sync and no subscriptions. Count down to birthdays, trips, weddings, exams and Christmas, or count up the days since you met. Quietdays puts them on your Home Screen, Lock Screen and Apple Watch as beautiful cards, and keeps them in sync on all your devices. How many days until my birthday? Until Christmas? Until our vacation? How many days have we been together? Quietdays answers at a glance. WHY QUIETDAYS • No ads, ever. No pop-ups, banners or videos to watch. • Basic widgets are free: Home Screen, Lock Screen and Apple Watch. • Syncs across your iPhone, iPad and Apple Watch with iCloud, free. Get a new phone and your events come back. • Pay once. Pro is a one-time purchase, never a subscription. • No tracking. No ad or third-party analytics SDKs. Beautiful cards Storybook, romance, photographic and pure typography styles with matching colors. Put the picture beside, below or behind your countdown. Count down together A full-screen countdown made for setting your phone down where everyone can see it. The final hour, the final minute and the last ten seconds build up with sound and light, and fireworks go off at midnight. Count in days, sleeps or even heartbeats. Put countdowns on your Lock Screen too: a full-width illustrated card or an always-on widget (Pro, free 3-day trial). When the holiday is over, it simply starts counting to the next one. Lock Screen wallpapers with Pro. Widgets and Apple Watch Small and medium Home Screen widgets, Lock Screen widgets, and watch face complications with a progress ring. Updates at midnight and never drifts a day across time zones. The new Multiple Events widget shows two at once on a small card, and a countdown widget can rotate through several events (Pro). Count down, count up, repeat Yearly, monthly, weekly or every N days, including lunar dates. Reminders on the day or days before, at the time you choose. Calendar and holidays A month view with your events, every 100th day, anniversaries and the public holidays of your region. Tap a holiday to count down to it. Share the moment 10 share layouts, from boarding pass to postcard, as an image or a short video with music. On day 100, day 1,000 and anniversaries, make a keepsake poster. All free. Never lose a day Free iCloud sync, a daily backup kept for 30 days, and backup files you can save anywhere. No account needed. Perfect for: birthdays, anniversaries, vacations, weddings, Christmas, Halloween, Thanksgiving, New Year, exams, graduation, baby due date, retirement, concerts, moving day and more. QUIETDAYS PRO (one-time purchase) Multiple Events and rotating widgets, your own photos on cards and widgets, every template, 4K wallpapers, cloud backup, and share images without the Quietdays mark. Privacy Policy: https://quietdays.app/privacy

Screenshots

Mega Calendar4 screens
Quietdays4 screens

Verdict

The call

The clearest difference is ads: Quietdays at none against Mega Calendar's shown. Quietdays also leads on update cadence (every 3 days vs every 2 weeks). Mega Calendar's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support 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 and Quietdays sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Mega Calendar ships an update every 2 weeks, Quietdays every 3 days. The most recent releases landed on November 4, 2026 and November 13, 2026 respectively.

Scorecard3 real differences · 7 level
Mega Calendar versus Quietdays: the parameters behind the verdict, then further details
ParameterMega CalendarQuietdays
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 weeksEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size103 MB167 MB
Age rating4+4+
DeveloperVU THANH深圳市智联创网络科技有限公司

In-app purchases

3 purchases

Mega Calendar

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

Quietdays

One-time1
  • Quietdays Pro$5.99

Questions

Is Mega Calendar free?
Mega Calendar is free to download, with in-app purchases available.
Is Quietdays free?
Quietdays is free to download, with in-app purchases available.
Do Mega Calendar or Quietdays have ads?
Mega Calendar shows ads; Quietdays does not.
Which is updated more often, Mega Calendar or Quietdays?
Mega Calendar ships an update every 2 weeks, and Quietdays every 3 days. Most recently, Mega Calendar was updated on November 4, 2026 and Quietdays on November 13, 2026.

Other comparisons