# CalendarDC 2026 vs Operation Round

The clearest difference is in-app purchases: Operation Round at none against CalendarDC 2026's 19. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CalendarDC 2026 sells 19 one-off in-app purchases. Operation Round asks for nothing beyond the download.

CalendarDC 2026 ships an update every 3 weeks, Operation Round fortnightly. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CalendarDC 2026 | Operation Round |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (33 ratings)](https://appshunter.io/ios/app/calendardc-2026/id1376414499/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 31.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 24 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hung Duong](https://appshunter.io/developer/1376414498) | [Khang Trường Thịnh](https://appshunter.io/developer/1660902263) |

## What reviewers say

### CalendarDC 2026

[App page](https://appshunter.io/ios/app/calendardc-2026/id1376414499)

This application helps you organize your schedule by viewing events and tasks on calendars, setting reminders, and managing your to-do list effectively. It offers email and phone notifications, lock screen widgets, and synchronization with a desktop version for seamless time management across devices.

**Highlights:** Calendar event and task management, Customizable reminders (email, phone), Lock screen widgets, Desktop synchronization, Repeatable task scheduling, Lunar calendar support, Event sharing

**Features:** macOS Compatibility

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Widget đẹp | $0.99 | one-time |
| Beautiful widgets | $0.99 | one-time |
| Beautiful and cool wallpapers | $0.99 | one-time |
| Buy beautiful widgets | $0.99 | one-time |
| Attractive wallpaper bundle | $1.99 | one-time |
| Widget Luxury | $1.99 | one-time |
| Pro max widget | $1.99 | one-time |
| VIP widget | $2.99 | one-time |
| Widget Pro | $2.99 | one-time |
| Luxury widget | $2.99 | one-time |
| Lịch Việt chuyên nghiệp | $3.99 | one-time |
| Tải Widget Pro tuyệt đẹp | $3.99 | one-time |
| Elegant wallpapers | $4.99 | one-time |
| Widget Premium tuyệt đẹp | $4.99 | one-time |
| Awesome widgets | $5.99 | one-time |
| Upgrade to Pro version | $6.99 | one-time |
| Ultimate widget | $39.99 | one-time |
| Royal widget | $79.99 | one-time |
| Full widget set | $119.99 | one-time |


### Operation Round

[App page](https://appshunter.io/ios/app/operation-round/id1660902261)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalendarDC 2026 free?

CalendarDC 2026 is free to download, with in-app purchases available.

### Is Operation Round free?

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

### Do CalendarDC 2026 or Operation Round have ads?

Neither CalendarDC 2026 nor Operation Round shows ads.

### Which is updated more often, CalendarDC 2026 or Operation Round?

CalendarDC 2026 ships an update every 3 weeks, and Operation Round fortnightly. Most recently, CalendarDC 2026 was updated on October 20, 2026 and Operation Round on October 8, 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.*