---
title: "OneCalendar - Desktop Calendar — App Overview"
url: https://marlvel.ai/apps/onecalendar-desktop-calendar
category: Utilities
developer: Chengdu Reinvent Technology Co., Ltd.
platforms: ios
rating: N/A (0 ratings)
pricing: free
report_level: overview
generated: 2026-05-09
last_verified: "2026-05-09T00:49:49.392Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** OneCalendar is a specialized utility focused on aesthetic and functional desktop calendar integration for Mac users.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Utilities |
| Rating | N/A ★ (0) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 1.2.2 |
| Developer | Chengdu Reinvent Technology Co., Ltd. |

<!-- SECTION: Summary -->
## What is OneCalendar - Desktop Calendar?

OneCalendar is a desktop-integrated calendar utility for macOS that allows users to display their schedule directly on their wallpaper. It differentiates itself through extensive visual customization, including multiple styles, color themes, and precise positioning controls across multi-monitor setups.

<!-- SECTION: Key Features -->
## Key Features

- **Desktop Integration**: Displays the calendar directly on the desktop with adjustable opacity and multi-screen support.
- **Visual Customization**: Offers three calendar styles (Default, Square, Line) and at least 12 color themes.
- **Positioning Controls**: Provides five recommended screen positions or manual X, Y, and width adjustments.
- **Localization and Preferences**: Supports local country calendars, holiday displays, and configurable start-of-week settings.

<!-- SECTION: Target Audience -->
## Who is it for?

Mac users seeking a persistent, highly customizable desktop calendar for improved schedule visibility.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/onecalendar-desktop-calendar/id1540421652?mt=12&uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/onecalendar-desktop-calendar)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/onecalendar-desktop-calendar).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*