Comparison

Tiny Calendar vs Calendar Op.2

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

Head to head
About

Tiny Calendar

This intuitive calendar app syncs with your existing calendars, offering powerful event creation and management tools. Access your schedule offline, set advanced reminders, and view your events in multiple formats on your iPhone, iPad, and Apple Watch.

Highlights
  • Natural language input for event creation
  • Drag and drop event editing
  • Syncs with Google Calendar and iOS local calendars
  • Supports 9 different calendar views
  • Offline event management
  • Advanced reminder system (push notifications, email)
  • Apple Watch support
Features
Read full description

Tiny Calendar is an intuitive smart calendar works with all your calendars. It inherits the simple and clean look of calendars but makes it more accessible, powerful and reliable on your iPhone and iPad. With Tiny Calendar, you can access and manipulate your google calendar events and tasks more easily, anyway you want. SMART ENOUGH TO CREATE Tiny Calendar has features like nature language input, drag and drop, gestures and other smart methods to predict your intention and help you create and edit your events more easily. SYNC & MANAGE GOOGLE TASKS You don’t need to download another app to manage Google tasks. MULTIPLE WAYS TO VIEW Tiny Calendar supports 9 standard views - Forecast, day, week, month, 4-days, year, mini-month, week agenda and agenda. You can instantly switch views to discover events or find a time you're looking for. REAL-TIME SYNC Tiny Calendar syncs directly with all your Google calendars and also works with iOS local calendar to support events on iCloud, Exchange and other calendars. WORKS OFFLINE You can still create, edit and delete events when you don't have an Internet connection. Tiny Calendar will cache your changes and sync back to your calendar account next time you're online. ADVANCED REMINDER SYSTEM Never forget about a meeting! Tiny Calendar allows you to set reminders via push notification, or email for all events. ACCESS FROM EVERYWHERE Tiny Calendar works with your iPhone, iPad and Apple Watch. You don't need to pay extra money to download multiple copies. Subscription Information: - Tiny Calendar offers a subscription which is $1.49/week & $2.99/month. - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase Terms of Use: https://apps.fengge.io/TinyCalendar/TermsConditions.html Privacy Policy: https://apps.fengge.io/TinyCalendar/PrivacyPolicy.html

About

Calendar Op.2

Organize your daily schedule with a clean and simple calendar app. It offers a beautiful month and list view with event titles, a mini pop-up for daily events, and seamless scrolling. Easily copy and paste events and search your schedule.

Highlights
  • Works with built-in iOS calendar
  • Month & list view with event title
  • Mini pop-up for daily events
  • Seamless vertical scrolling
  • Copy & Paste for events
  • Incremental search view
Features
Read full description

Calendar Op.2 [opus two] is a very simple and easy-to-use calendar application designed for everyone who loves simple life. With its clean user interface and carefully selected feature set, you can organize your daily schedule smoother than ever. FEATURES: ● Works with built-in iOS calendar. ● Beautiful month & list view with event title. ● Mini pop-up window for daily events. ● Seamless vertical scrolling to the previous and next month. ● Copy & Paste for events. ● Incremental search view. ● Syncing with iCloud, Google Calendar, etc. via built-in iOS calendar.

Screenshots

Tiny Calendar4 screens
Calendar Op.24 screens

Verdict

The call

The clearest difference is monetization model: Calendar Op.2 at free with in-app purchases against Tiny Calendar's subscription. Calendar Op.2 also leads on update cadence (weekly vs every 2 months). Tiny Calendar's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 26.0). On price, rating, review sentiment and ratings volume 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. Tiny Calendar sells 10 in-app purchases, starting at $1.49 per 7 days and Calendar Op.2 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Tiny Calendar against 4.7 for Calendar Op.2. Both are backed by a comparable volume of ratings — 21K and 13K respectively. Written reviews are what separate them: 76% of Tiny Calendar's written reviews are positive against 69% of Calendar Op.2's.

UpkeepUpdate frequency

Tiny Calendar ships an update every 2 months, Calendar Op.2 weekly. Both last shipped on November 6, 2026.

Scorecard4 real differences · 6 level
Tiny Calendar versus Calendar Op.2: the parameters behind the verdict, then further details
ParameterTiny CalendarCalendar Op.2
PriceFreeFree
Rating4.6 (21K ratings)4.7 (13K ratings) — better
Positive reviews76.1% of reviews — better68.5% of reviews
Number of ratings21K — better13K
Update frequencyEvery 2 monthsWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS14.0 — better26.0
Further details — not scored
Size45 MB8 MB
Age rating4+4+
DeveloperTinyWork AppsYoshihiro Sakamoto

Customer experience

Tiny Calendar

All ratings20,601 ratings
Positive91.9%
Neutral4.2%
Negative3.9%
Written reviews683 reviews
Positive76.1%
Neutral7.6%
Negative16.3%

Calendar Op.2

All ratings13,477 ratings
Positive92.1%
Neutral4.5%
Negative3.4%
Written reviews127 reviews
Positive68.5%
Neutral12.6%
Negative18.9%

User reviews

Tiny Calendar

From 21K App Store ratings

What we love

  • 💻 Excellent calendar app
  • 📆 Helpful for organizing schedules
  • 🔗 Syncs well with Google Calendar
  • 🗓 Useful month/week/day views
  • 🎨 Customizable color-coding

Room to improve

  • 🐛 Syncing issues with Google Calendar
  • 🔍 Difficulty finding past events
  • 💰 Expensive subscription model
  • 📢 Intrusive ads in free version
  • 🕰 Time zone issues with event times

Calendar Op.2

From 13K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Efficient calendar view
  • 💡 Customizable color coding
  • 🔒 Secure and private
  • 🌟 Great alternative to default calendar

Room to improve

  • 🐛 Issues with date/day synchronization
  • 🔍 Limited color options
  • 📱 No iPad version
  • 🕰️ Can't schedule in 15-minute intervals
  • 🔔 Ads can be intrusive

Bugs and requests

Tiny Calendar

Reported bugs

3 issues
  • Events disappearing from calendar
  • Crashes when changing calendar settings
  • Duplicate events created unexpectedly

Requested features

4 requests
  • Add to-do list functionality
  • Improve Apple Watch integration
  • Allow more customization options
  • Provide better customer support

Calendar Op.2

Reported bugs

3 issues
  • Events disappearing from past months
  • Time zone issues when traveling
  • Inability to edit event details

Requested features

6 requests
  • Add more color options
  • Implement landscape mode
  • Allow disabling of irrelevant holidays
  • Add support for Apple Watch
  • Improve event editing functionality
Show 1 more
  • Retain past event history

In-app purchases

10 purchases

Tiny Calendar

Subscriptions4
  • Weekly Subscription$1.497 Days
  • Monthly Subscription$2.991 Month
  • Yearly Special Offer$6.991 Year
Show 1 more
  • Yearly Subscription3 Days trial$9.991 Year
One-time6
  • Recurring Events$1.99
  • Invites & Attendees$1.99
  • Multiple Google Accounts$2.99
Show 3 more
  • Upgrade to Premium$9.99
  • Lifetime Premium Special Offer$14.99
  • Lifetime Premium$19.99
1 purchases

Calendar Op.2

One-time1
  • Remove Ads$5.99

Questions

Is Tiny Calendar free?
Tiny Calendar is free to download, with in-app purchases available.
Is Calendar Op.2 free?
Calendar Op.2 is free to download, with in-app purchases available.
Which has better reviews, Tiny Calendar or Calendar Op.2?
Calendar Op.2 is rated higher. Tiny Calendar averages 4.6 out of 5 from 21K ratings, while Calendar Op.2 averages 4.7 from 13K ratings.
Do Tiny Calendar or Calendar Op.2 have ads?
Both Tiny Calendar and Calendar Op.2 show ads.
Which is updated more often, Tiny Calendar or Calendar Op.2?
Tiny Calendar ships an update every 2 months, and Calendar Op.2 weekly. Most recently, Tiny Calendar was updated on November 6, 2026 and Calendar Op.2 on November 6, 2026.

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