# Calendar Organization Event vs TCHAK!

The clearest difference is ads: TCHAK! at none against Calendar Organization Event's shown. Calendar Organization Event's advantage is update cadence (every 5 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Calendar Organization Event sells 2 in-app purchases, starting at $1.99 per month and TCHAK! sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Calendar Organization Event ships an update every 5 days, TCHAK! every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calendar Organization Event | TCHAK! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/calendar-organization-event/id6443968850/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 99 MB | 48 MB |
| Requires iOS | **15** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Huy Van](https://appshunter.io/developer/1651079168) | [Romain Pons](https://appshunter.io/developer/1889903414) |

## What reviewers say

### Calendar Organization Event

[App page](https://appshunter.io/ios/app/calendar-organization-event/id6443968850)

This app simplifies time management by consolidating your personal and work tasks into a single, coordinated planner. It offers customizable views, reminders, and integrated features like weather forecasts and QR code generation to keep your schedule organized.

**Highlights:** Integrated calendar and to-do list, Customizable day, week, month, year views, Reminder notifications, Drag-and-drop UI for events, Location-based calendar sets, QR code generation, 10-day weather forecasts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annual | $5.99 | per year |


### TCHAK!

[App page](https://appshunter.io/ios/app/tchak/id6761486573)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TCHAK - Full Monthly | $2.99 | per month |
| TCHAK Full Yearly | $17.99 | per year |


## Frequently asked questions

### Is Calendar Organization Event free?

Calendar Organization Event is free to download, with in-app purchases available.

### Is TCHAK! free?

TCHAK! is free to download, with in-app purchases available.

### Do Calendar Organization Event or TCHAK! have ads?

Calendar Organization Event shows ads; TCHAK! does not.

### Which is updated more often, Calendar Organization Event or TCHAK!?

Calendar Organization Event ships an update every 5 days, and TCHAK! every 3 weeks. Most recently, Calendar Organization Event was updated on November 3, 2026 and TCHAK! on October 31, 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.*