C Calendar logo

C Calendar for iOS

By Be Jump $2.99

Developer's Description

Initially, I developed C Calendar for my own use. Not until recently did my friends find out I was using a cool app that they never heard about. They kidnapped me and urged me to put it at App Store so they can use it too. So, here you go C Calendar.

I've used many great calendar apps (Google Calendar, Outlook, Fantastical, Calendars, Tiny Calendar, Sunrise, Timepage, etc.) but none of them meet my needsI'm a hopeless productivity freak. So I thought, why don't I develop one for myself? Now I've been using C Calendar for more than a year, and it saved me every day.

What's good about C Calendar?

One tap only

Try current calendar apps at App Store, and you'll find out they always ask you to tap here, here, and here to just complete a simple task such as adding an event. C Calendar only asks you to tap onceone tap and you're done.

I-want-it-all bird view

Many calendar apps have a bird view (monthly view) where events are displayed as a dot or a bar, but you cannot see its content directlyyou've to tap into the event and jump to a different view to see it. C Calendar shows content, status, and highlight all on its bird viewyou want it all, now you have it all at a single glance.

Categorize and highlight

Usually, calendar apps don't allow you to categorize and highlight events or make it a complex process to complete. C Calendar allows categorizing events with just one tap. You can use different colors to categorize events and bold to highlight them. I like to use bold to highlight important events, white for class, blue for work, green for life, yellow for side project, purple for trip, and red for deadline/priority. I use strikethrough to indicate an event is completed and struck out.


C Calendar has a notebook attached to each event. You can write "Tech Meeting" as an event title and pen down details in the notebook.

Enhanced keyboard

When you edit notebook, an enhanced keyboard will pop up. It has a handy toolbar that lists frequently-used punctuations and numbers. So you don't have to switch between letters and punctuations back and forth anymore. This significantly enhances your typing speed.

Font size adjustment

You can adjust font size for the pleasure your eyes.

Good design

Font type, font size, line spacing, kerning, color, icon, layout, and the whole flow are polished to ensure it's a good design.


All the functions of C Calendar are straightforward to use. You don't need to switch between views back and forth, or tap relentlessly. One tap only. That's the principle of C Calendar.

This is the first version. More features will come in future updates, such as search, holiday, file attachment, etc. Send me feedback and suggestion. Tell me what feature you want most in future updates. Below are my contacts.

Weibo: @bejump

Twitter: @bejump

Email: ask@bejump.com

I've translated C Calendar into 10 languages. Special thanks to friends who helped proofread:


French, Emma

German, Elfluis

Korean, Lena

Please contact me if you spot any problem in translation. I will revise it in future updates.

Full Specifications

What's new in version


Release December 1, 2019
Date Added December 1, 2019

Operating Systems

Operating Systems iOS
Additional Requirements Requires iOS 8.0 or later. Compatible with iPhone 5S, iPhone 6, iPhone 6 Plus, iPhone 6S, iPhone 6S Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XS, iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPad Air, iPad Air Wi-Fi + Cellular, iPad mini 2, iPad mini 2 Wi-Fi + Cellular, iPad Air 2, iPad Air 2 Wi-Fi + Cellular, iPad mini 3, iPad mini 3 Wi-Fi + Cellular, iPad mini 4, iPad mini 4 Wi-Fi + Cellular, iPad Pro (12.9-inch), iPad Pro (12.9-inch) Wi-Fi + Cellular, iPad Pro (9.7â??inch), iPad Pro (9.7-inch) Wiâ??Fi + Cellular, iPad (5th generation), iPad (5th generation) Wiâ??Fi + Cellular, iPad Pro (12.9â??inch) (2nd generation), iPad Pro (12.9â??inch) (2nd generation) Wiâ??Fi + Cellular, iPad Pro (10.5â??inch), iPad Pro (10.5-inch) Wiâ??Fi + Cellular, iPad (6th generation), iPad Wi-Fi + Cellular (6th generation), iPad Pro (11-inch), iPad Pro (11-inch) Wi-Fi + Cellular, iPad Pro (12.9-inch) (3rd generation), iPad Pro (12.9-inch) (3rd generation) Wi-Fi + Cellular, iPad mini (5th generation), iPad mini (5th generation) Wi-Fi + Cellular, iPad Air (3rd generation), iPad Air (3rd generation) Wi-Fi + Cellular, iPad (7th generation), iPad (7th generation) Wi-Fi + Cellular, iPod touch (6th generation), and iPod touch (7th generation).


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