Comparison

ToDo Calendar Pro vs Vertical Calendar

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

Head to head
About

ToDo Calendar Pro

Manage your tasks efficiently with a calendar view that shows due dates. Sync tasks across all your devices via iCloud and automatically register them to other calendar apps. Attach files, create sub-tasks, and receive timely notifications.

Highlights
  • Calendar task overview
  • iCloud task synchronization
  • File and photo attachments
  • Sub-task creation
  • Template-based task registration
  • Integration with iOS Calendar and Google Calendar
  • Apple Watch task viewing
Features
Read full description

Would you like to make your smartphone or tablet PC into a useful business tool? ToDo Calendar Pro is an application to manage your tasks efficiently using a calendar.  The calendar shows you an overview of what tasks are due to be performed and when.  Tasks are synced to all your devices through iCloud, so you can manage your tasks anytime, anywhere.  You can also automatically register tasks to iOS Calendar, iOS Reminder and Google Calendar. ToDo Calendar Pro functions 1. Registering tasks First, let's register your tasks.  By setting a scheduled start date and scheduled end date, you will be able to complete your tasks on time.  You can fill in detailed information and attach photos, videos, Excel, Word or other files and maps in the tasks. Tasks can also be further divided into sub-tasks. 2. Registering tasks using a template By using pre-registered templates, you can easily register tasks. You can customize the template any way you like. 3. Managing tasks in a calendar You can see your tasks in the calendar. The calendar allows you to see which tasks will be performed when. 4. Managing tasks in a list You can also see the tasks in a list. You can see what tasks are currently being performed, what tasks have been completed, and what tasks will be performed in the future. 5. Organizing tasks in groups If you set up groups for tasks, you can view tasks by group in a calendar or a list. You can customize groups any way you like. 6. Task notifications You can specify the tasks to be notified at the scheduled start date and time or at a specified date and time. With notifications, you'll never forget an important task. 7. Linking iOS Calendar, iOS Reminder and Google Calendar You can set up your tasks to work with iOS Calendar, iOS Reminder, and Google Calendar, so they can be registered to iOS Calendar, iOS Reminder, and Google Calendar. 8. Viewing today’s tasks on Apple Watch You can see a list of tasks to be performed today on your Apple Watch. You can also mark completed tasks as completed.

About

Vertical Calendar

Organize your life with a vertical monthly calendar and unlimited tabs. Easily create color-coded events, search your schedule, and enjoy offline access. Secure your data with biometric authentication.

Highlights
  • Vertical monthly calendar view
  • One-tap appointment creation
  • Unlimited tab creation for organization
  • Color-coded event highlighting
  • Global event search
  • Automatic backup and restore
  • Biometric authentication for security
Features
Read full description

Create appointments with a vertical calendar! Revolutionize your schedule management with an intuitive monthly calendar and easy-to-use tab functionality! ◆ Easy-to-read vertical monthly calendar See your entire month's schedule at a glance with our vertical monthly calendar! Never miss important appointments even in your busy days! ◆ One-tap appointment creation Instantly add appointments by simply tapping dates on the monthly calendar! ◆ Unlimited tab creation Create unlimited tabs! Perfectly organize work, personal life, hobbies, and more by category! ◆ Color-coded event creation Color-code events with our rich color palette! Achieve optimal visibility to distinguish importance and types at a glance! ◆ Global search Instantly search all events! Discover your target appointments in seconds even from massive amounts of data! ◆ Automatic backup and restore Worry-free device changes! Automatically backup your data and instantly restore on new devices! ◆ Light mode and dark mode support Eye-friendly display with beautiful dark mode! Perfectly customize to your preferences! ◆ Complete offline support No internet connection required! Fully accessible anytime, anywhere! ◆ Notification functionality Custom message notifications at specified times! Never miss important appointments! ◆ Biometric authentication Maximize app security with Face ID and fingerprint authentication! Complete protection of your privacy! ◆ Tab notes Add notes freely to each tab! Check important category-specific information anytime! ◆ No login required No tedious registration process! Start your premium experience immediately after download! ◆ Robust security Your data is completely private! No external transmission whatsoever! Safely stored only on your device! ◆ Support 24/7 support available! Contact us anytime if you have any questions. info@naokiotsu.com ◆Privacy Policy https://naokiotsu.com/privacy-policy ◆Terms of Use https://naokiotsu.com/term-of-use

Screenshots

ToDo Calendar Pro4 screens
Vertical Calendar4 screens

Verdict

The call

The clearest difference is rating: Vertical Calendar at 5.0 against ToDo Calendar Pro's 4.2. Vertical Calendar also leads on update cadence (weekly vs every 2 months) and iOS requirement (15.1 vs 17.0). On price, ratings volume, ads and in-app purchases 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. ToDo Calendar Pro sells 1 one-off in-app purchase and Vertical Calendar sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Vertical Calendar holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

UpkeepUpdate frequency

ToDo Calendar Pro ships an update every 2 months, Vertical Calendar weekly. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
ToDo Calendar Pro versus Vertical Calendar: the parameters behind the verdict, then further details
ParameterToDo Calendar ProVertical Calendar
PriceFreeFree
Rating4.2 (5 ratings)5.0 (3 ratings) — better
Positive reviews20.0% of reviews—
Number of ratings5 — better3
Update frequencyEvery 2 monthsWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size33 MB52 MB
Age rating17+4+
DeveloperNAOAKI SEKIGUCHInaoki otsu

Customer experience

ToDo Calendar Pro

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews10 reviews
Positive20.0%
Neutral10.0%
Negative70.0%

Vertical Calendar

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

ToDo Calendar Pro

One-time1
  • ToDo Calendar Pro License$1.99
2 purchases

Vertical Calendar

Subscriptions2
  • Premium$1.991 Month
  • Premium$19.991 Year

Questions

Is ToDo Calendar Pro free?
ToDo Calendar Pro is free to download, with in-app purchases available.
Is Vertical Calendar free?
Vertical Calendar is free to download, with in-app purchases available.
Which has better reviews, ToDo Calendar Pro or Vertical Calendar?
Vertical Calendar is rated higher. ToDo Calendar Pro averages 4.2 out of 5 from 5 ratings, while Vertical Calendar averages 5.0 from 3 ratings.
Do ToDo Calendar Pro or Vertical Calendar have ads?
Both ToDo Calendar Pro and Vertical Calendar show ads.
Which is updated more often, ToDo Calendar Pro or Vertical Calendar?
ToDo Calendar Pro ships an update every 2 months, and Vertical Calendar weekly. Most recently, ToDo Calendar Pro was updated on October 23, 2026 and Vertical Calendar on October 27, 2026.

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