Thanks to the official WordPress application for iOS you'll be able control your own website or blog from your iPhone or iPad easily.
The most popular CMS also on iOS devices
It has all the basic elements necessary to write new entries in your blog, edit its contents and manage comments, receive notifications each time there is some kind of activity on your website. Likewise, you'll be able to add images or videos easily, supporting both the web version as well as installable version 2.9.2 or later.
You won't need to know web coding to be able to design your webpage with WordPress
With WordPress for iOS it will no longer matter where you are to be able to manage and maintain the contents of your website updated.