Designing for the Thumb: Best Practices in Mobile UI/UX Design

In today’s digital world, mobile UI/UX design leads all others, as mobile is where consumers spend entire hours every day. Since many internet users prefer to visit sites and read materials on a Smartphone, the provision of mobile user-friendly experience is therefore vital. Thumb even (as the most important button) is a factor usually not considered in the design (of software). In the following paragraphs we are going to consider spatial design features of thumbs that mobile users might need.

Why Design for the Thumb?

Now we will figure out what principles of the Mobile UI UX design services favoring the thumb should be observed, but, firstly, we have to understand why it is important. The touchscreen interface is one of the features that has made smartphones stand out as a technology and ushered in the new era of how people interact with their smartphones. Now, what users mostly their thumbs for is using them to navigate and to interact with content on their devices. Developing in a way that fulfills the needs of a human thumb requires only a smartphone user to reach the most distal areas in the screen without overstretching or any strain.

Best Practices for Designing for the Thumb

  1. Place Important Elements within Reach

Apart from keeping in mind the navigation facilities of the prospective users, there is a need to place the major elements that are often used within sight and reach of the user’s thumb for a mobile interface. Item 5 is the use of buttons, navigation menus and calls to action (CTA) which should be developed. The elements situated in the lower half of the screen can be easily reached with the thumbs as they don’t need to either change their grip or posture as compared to symbols in the topmost part of the screen.

  1. Use Large, Tappable Buttons

Another critical factor of developing applications for the thumb is that buttons must be not only tappable but also clear and long enough to be touch sensitive. The small buttons that are packed to each other so closely is often a challenge for the user to hit the target buttons as precisely. The larger button sizes with plenty of spaces in between them make whatever is meant for users’ interaction easy to pick and use.

  1. Consider Ergonomics

The great importance of the hand educational or palm of hand ergonomics in mobile UI/UX design is that it must be taken into account. The natural motion range of the thumb is narrow, and components need to be placed in such a way that is easily reachable by the thumb, thus positioned where it would normally rest when using the screen. By utilizing this approach, we can avoid users from feeling discomfort or irritation which can be a result of using our application or website.

  1. Optimize for One-Handed Use

For case users, most of them work a smartphone with a hand, thus, it is vital to improve the mobile interface / user experience of your hand in a single hand only. By the token of this, you have to suppose the element’s position where it would be within the touch range of the user’s thumb and also should be designed in such a way that the interaction would be completely natural and comfortable. If you offer the possibilities of one-handed procedures, you could optimize for your users the user experience of mobile usage and gain an understanding of it.


The design of thumb driving the mobile UI/UX ensures that impacts users experience. For UIs with limited thumb motion range, absolutely the thing to be considered is the placing of the important items within the reach and the big taps buttons, the more effectively for one hand use, the better it will be for intuitive interface. Adopt principles that will make the system user-friendly and enjoyable therefore increasing engagement and satisfaction.

In fact, you need to keep in mind that unless you design UI/UX for mobile users, the thumb is a ruler here. When you pay attention to the thumb operation in your design process, you are able to come up with interfaces that are attractive and also function in a highly optimized way.

Companies, having the goal of enhancing their mobile apps UI/UX, can collaborate with other firms having the services of the Custom Mobile App Development and UI/UX Design. To do this, you should team up with professionals who specialize in mobile apps development and they will assist you to achieve the best outcome in getting your interface designed working for the thumb. This will provide your users with superior user experience.

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