Screen-size
While designing, you want to take under consideration the change in screen size of the 2 interfaces. A smaller display implies lesser pixels. Thereby in apps, features like heavy graphics and movie galleries are a strict no-no.

You have a keyboard at your disposal while accessing an internet site , but it are often difficult to manage an equivalent together with your smartphone. this is often where touch functions are available . Seemingly minor aspects like the situation of touch buttons can go an extended way in making your app more accessible.

Contextual
Most people access websites from their desktops or PCs, while being seated. In apps, there's no guarantee of that; for all you'll know, a user could be running while operating their phone. As a designer, you want to make sure that your app features are often used easily on the go. Add-ons like in-built dictionaries and power saving options help optimise use experience.

Slow processors
Compared to computers, smartphones have slower processors, thus demanding an easy layout for your app. Donít assume that what works for your website would work for your app, too. Also, apps which consume significant mobile data are likely to urge a thumbs down from your users.

Integration with smartphone features
If there's one thing you'll do with all types of smartphones, it's making calls. Phones won't have fast processors or big screens, but they are doing enable people to form calls and text, thereby offering an altogether different opportunity for developers, which is missing in desktops. Therefore, Mobile App Design Companies apps making use of smartphone functions are likely to be more popular.