# ToDo Calendar Pro vs CIFApp

The clearest difference is in-app purchases: CIFApp at none against ToDo Calendar Pro's 1. CIFApp also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). ToDo Calendar Pro's advantage is update cadence (every 2 months vs every 7 months). On price and device support there is nothing between them.

Both are free to download. ToDo Calendar Pro sells 1 one-off in-app purchase. CIFApp asks for nothing beyond the download.

ToDo Calendar Pro ships an update every 2 months, CIFApp every 7 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ToDo Calendar Pro | CIFApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/todo-calendar-pro/id1485076112/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 82 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NAOAKI SEKIGUCHI](https://appshunter.io/developer/1146328819) | [CIFA S.p.A.](https://appshunter.io/developer/1457336366) |

## 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 |


### CIFApp

[App page](https://appshunter.io/ios/app/cifapp/id1541129837)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ToDo Calendar Pro free?

ToDo Calendar Pro is free to download, with in-app purchases available.

### Is CIFApp free?

CIFApp is free to download, with no in-app purchases.

### Do ToDo Calendar Pro or CIFApp have ads?

ToDo Calendar Pro shows ads; CIFApp does not.

### Which is updated more often, ToDo Calendar Pro or CIFApp?

ToDo Calendar Pro ships an update every 2 months, and CIFApp every 7 months. Most recently, ToDo Calendar Pro was updated on October 23, 2026 and CIFApp on October 25, 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.*