# Vertical Calendar.

> Productivity

Canonical page: [https://chrome-stats.com/d/id447320312](https://chrome-stats.com/d/id447320312)

## Overview

- **ID:** `id447320312`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Unitac
- **Category:** Productivity
- **Rating:** 4.00 / 5 (6 ratings)
- **Version:** 2.032
- **Last updated:** 2020-11-02
- **First published:** 2011-07-07
- **Size:** 4.70 MB
- **Data as of:** 2026-09-24
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/vertical-calendar/id447320312)
- **Website:** [http://verticalcalendar.seesaa.net/article/213694657.html](http://verticalcalendar.seesaa.net/article/213694657.html)
- **Privacy policy:** [http://unitac.jounin.jp/VCalPrivacy.html](http://unitac.jounin.jp/VCalPrivacy.html)

## Description

Vertical Calendar is a productivity Chrome extension that provides an at-a-glance monthly calendar, merging all calendars into one view. It supports major calendar services and lets you customize colors, fonts, and day icons for a personalized experience.

Key features include calendar syncing across Google Calendar, Outlook and CalDAV, holiday calendars, task management, and the ability to create personalized calendar wallpapers. It also offers input history, location links for events, and adjustable font sizes for monthly or daily displays.

## Rankings

- #447,686 — Overall

## Review summary

Overall, users praise Vertical Calendar for its monthly-at-a-glance layout, robust multi-calendar syncing, and built-in to-do style features. The app is readable, customizable, and well-supported. Recurring concerns center on lock-screen expectations, mixed feelings about the vertical month view’s execution, occasional Google sync problems, and duplicate-billing issues. Despite these, many users consider it a leading calendar app for daily use.

### Pros

- Clear vertical month view with a full-month-at-a-glance and the ability to see all calendars together.
- Strong calendar syncing across iPhone Calendar and Google, with multi-calendar support and search.
- Integrated day-to-do style: you can check off completed events and see tasks within the day view.
- Easy-to-read design with color coding and customizable colors/icons; full event details in daily view.
- Responsive updates and good customer support that stays current with iOS changes.

### Cons

- Lock screen wallpaper feature is not a true lock-screen calendar and feels misrepresented; multiple reviews warn against focusing on this aspect.
- Vertical monthly view receives mixed feedback: some users like it, others call the execution poor.
- Google calendar syncing can be problematic for some users (reports of nightmarish sync issues).
- Billing/purchase issues like duplicate charges when transferring devices.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id447320312)