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7 Essential Principles of Good UI/UX Design for Mobile Apps

The way a mobile app looks and interaction experience that users get when working with it are equally important for developing a successful product. To make a mobile app fully reveal its potential for business, it must be convenient to use, pleasant to look at, and comprehensible for the target audience.

A correct UI/UX design will allow achieving this goal. In this article, we will share some tips on mobile app design and hope they will help you create a truly high-quality product popular with users.

Assist in Solving Problems

Unlike art, any mobile app design exists in the context of solving a specific problem. Users launch an app to solve their problems or find answers to questions. Help them do it quickly and easily, and then, they will be satisfied and may even recommend the app to their friends.

Follow the Guidelines

The work with apps should be habitual and intuitive even to new users. Therefore, Google and Apple urge developers to unify the interfaces of native apps.

Google Material Design was compiled for Android, and the Human Interface Guidelines were developed for iOS. Make sure to add these pages to your bookmarks, as you will come around to them during your work. Do not forget that these documents are regularly updated, so review them from time to time to keep yourselves up-to-date with any changes.

iOS and Android Guidelines

Do not consider these documents as something immutable. They are just recommendations, not strict instructions. They are here to help you, but you do not have to follow them always and everywhere. You can even mix recommendations and apply elements specific to one platform to the other.

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Label UI Elements

If the icon is not labeled, chances are high users will not understand what it is meant for. Even icons with quite obvious functions (for example, a hamburger menu — a column of three horizontal lines) can puzzle users, despite the UX designers’ expectations.

Things will become even worse if your app features completely different icons since it will be even harder for users to understand what they mean. Consequently, label your interface elements so that users do not get confused.

Follow the Sequence

If users get to know your app gradually, that is the best way to give them time to comfortably adapt to it. Users follow a specific path and get solutions to their problems. Consistency increases conversion rates and provides a positive experience.

Here are a few examples of how consistency manifests itself in design:

  1. Step by step registration. Users specify their email, enter a verification code from the mail, and get access to their personal account.
  2. Visual harmony. Typography, buttons, and blocks make an integral whole.
  3. The unity of style. App versions for Android and iOS maximally resemble each other, allowing users to avoid discomfort when switching from one system to another.

The unity of style in mobile design

by Ben Low, Dribble

Use Micro-interactions

These are minor events that are part of a global system. They attract attention, communicate information, and reduce negative expectation impressions.

Some examples:

  • Animation after clicking the icon;
  • Navigation while scrolling the content;
  • Event indication (changing the number of unread letters or notifications);
  • Data entry visualization. A plastic card picture is often added to a payment form. After filling in the form fields, the numbers automatically appear on the image;
  • Call to action (CTA).

Microinteraction in mobile app ui

Micro-interactions work because they provide feedback and a clear understanding that the operation is completed or being resolved.

Adjust to the Audience

It would be best to know who your target audience is to tailor the design accordingly. Consider all the parameters known to you: age and gender, preferences and interests, the most popular services. Knowing this data, you will easily simulate users’ paths and determine their wishes and expectations from the interface in advance.

Answer the following question yourself: why does the user launch your app? Build the design based on the answer. Relatively speaking, if a person launches the app just to order food delivery services, the appropriate functionality for this action should be placed right on the main page.

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Our team is ready to implement your ideas. Contact us now to discuss your roadmap!


Simpler Means Better

Do not complicate your interface with numerous details and elements, even if they seem nice to you. The mobile app design should allow users to perform minimum actions to achieve their goal: minimum clicks, minimum text reads, etc.

The same applies to functionality. There is no need to load your product with unnecessary functions. It would be best to develop the necessary minimum but ensure its uninterrupted operation.

We hope these tips will come in handy, and you will be able to use them while working on your mobile app.

Lvivity Team
Lvivity Team

Flexibility, efficiency, and individual approach to each customer are the basic principles we are guided by in our work.

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