Nowadays the mobile phone is a commonly used way of viewing a website.
A website is actually made for viewing on a computer, but a “mobile” version for the iPad and IPhone is a must have these days.
Simple website are often made to show an “acceptable” version on your mobile devices, but if you want have it done really well, a separate mobile version is recommended.
In some cases, a separate mobile app may be a better form to communicate with your customers than a website, especially for features where the customer returns regularly, such as news or a purchases in a web store.
Two Dutch Guys is able to create a separate mobile version or app, based on your wordpress website or store, which can be offered in both the Apple App store and the Google Playstore.