# ToDo Calendar Pro vs Vertical Calendar

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.

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.

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.

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.

## The numbers

| Metric | ToDo Calendar Pro | Vertical Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/todo-calendar-pro/id1485076112/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/vertical-calendar-planner/id6751930821/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 33 MB | 52 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NAOAKI SEKIGUCHI](https://appshunter.io/developer/1146328819) | [naoki otsu](https://appshunter.io/developer/1082476153) |

## What reviewers say

### ToDo Calendar Pro

[App page](https://appshunter.io/ios/app/todo-calendar-pro/id1485076112)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ToDo Calendar Pro License | $1.99 | one-time |


### Vertical Calendar

[App page](https://appshunter.io/ios/app/vertical-calendar-planner/id6751930821)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium | $19.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*