WEB AND MOBILE APP DESIGN

onyenanu sandra

Starting at

$

2,500

About this service

Summary

As a UX/UI Designer, I specialize in crafting intuitive, visually engaging, and conversion-focused digital experiences for both web and mobile platforms.
I bring interfaces to life with clean, modern visuals that reflect your brand identity and elevate the user experience:
Design for Web Applications
For web-based platforms, I focus on:
Dashboard & Admin Panel Design Creating data-rich layouts that are clean, navigable, and easy to use.
Landing Pages & Marketing Sites Designing high-converting pages that drive engagement and conversions.
E-commerce & SaaS Interfaces for all Industry Crafting user flows for sign-up, onboarding, shopping, and checkout that reduce drop-offs and increase retention.
Design for Mobile Applications
For mobile-first experiences, I offer:
Native & Cross-platform Design Designing with both iOS and Android best practices in mind.
Touch-Friendly Interactions Incorporating gestures, feedback animations, and mobile UI patterns for better usability.
Microinteractions & Transitions Adding delightful, purposeful animations to elevate user satisfaction.
The Outcome
When you work with me, you’re not just getting "screens" — you’re getting:
A strategic product that aligns with your users’ needs
A beautifully designed interface that reflects your brand
A functional and scalable system that developers can implement with ease
A user experience that converts, retains, and delights

Process

User Experience (UX) Design
I start with a deep understanding of your users and business goals, ensuring every design decision is grounded in purpose. My UX process includes:
User Research & Persona Development Conducting interviews, surveys, and competitor analysis to define user needs and behaviors.
User Journey Mapping Visualizing the step-by-step user experience to uncover friction points and improve flow.
Information Architecture Structuring content in a logical, user-friendly way through sitemaps and navigation flows.
Wireframing & Prototyping Creating low- to high-fidelity wireframes that map out every screen and interaction in your app.
Usability Testing Running tests with real users to validate designs and identify areas for improvement.
User Interface (UI) Design
I bring interfaces to life with clean, modern visuals that reflect your brand identity and elevate the user experience:
High-Fidelity UI Designs Detailed screen designs for both mobile and web that align with the latest design trends and best practices.
Responsive Design Ensuring your app looks and works beautifully on all screen sizes — mobile, tablet, and desktop.
Mobile App Design (iOS & Android) Following platform-specific guidelines to create intuitive interfaces for native and hybrid apps.
Design Systems & UI Kits Building scalable design systems and reusable components for design consistency and faster development.
Visual Branding Integrating typography, color schemes, iconography, and brand assets into a unified visual language.
Handoff & Developer Collaboration
I work closely with development teams to ensure smooth implementation:
Developer-Ready Files in Figma, Zeplin, or Adobe XD Organized layers, annotations, and design tokens for pixel-perfect execution.
Design Documentation Clear guides that explain user logic, states, component behavior, and edge cases.

FAQs

  • Who is this service for?

    This service is for startups, entrepreneurs, product managers, developers, agencies, and businesses of all sizes looking to create or improve their web or mobile applications. Whether you’re building a brand-new platform or redesigning an existing product, I work with clients across all industries — including tech, health, fintech, education, e-commerce, NGO, and more.

  • What is included in your UX/UI design service?

    My end-to-end design service includes: User research and persona creation Information architecture and user flows Wireframes (low to high fidelity) UI design (mobile & web) Responsive layouts for all screen sizes Design systems & component libraries Prototypes (clickable/mockup interactions) Developer handoff files + support Usability testing insights and iteration

  • Do you provide designs for both mobile apps and web applications?

    Yes! I specialize in designing for both platforms. Mobile app designs follow iOS and Android best practices, while web designs are tailored for responsive performance across desktop, tablet, and mobile. Whether it’s a dashboard, e-commerce site, SaaS platform, or mobile-first experience, I’ve got you covered.

  • What makes your UX/UI design approach different?

    I don’t just create beautiful screens — I design with strategy, clarity, and purpose. Every element is backed by UX research, thoughtful flows, and visual consistency to drive engagement and results. Plus, I provide developer-ready handoff, collaborate closely with your team, and support you all the way to launch (and beyond, if needed).

  • How will we communicate?

    Once we begin, I’ll be available through the channel that’s most convenient for you—whether that’s email, WhatsApp, Telegram, or even a quick Zoom or Google Meet call when needed. I’ll make sure communication is smooth, clear, and consistent from start to finish.

What's included

  • Research & Discovery

    - User Personas Profiles representing core user types with goals, behaviors, and pain points - User Journey Maps Visual flow of user interactions and emotions throughout the product experience - Competitive Analysis Summary of strengths, weaknesses, and opportunities compared to industry competitors - UX Audit (if redesign) Heuristic evaluation of the existing product for usability issues

  • Information Architecture

    - Sitemap Visual hierarchy of pages/screens showing how content is organized - User Flows Step-by-step paths users take to complete key tasks (e.g., sign up, checkout)

  • Wireframes

    - Low-Fidelity Wireframes Basic layout of key screens to validate structure and content hierarchy - Mid-Fidelity Wireframes More refined wireframes with interaction details and screen transitions

  • Visual Design

    - High-Fidelity UI Designs Polished, final versions of screens with brand colors, typography, spacing, etc. - Design System / UI Kit Consistent components (buttons, inputs, cards) and styles for dev handoff - Responsive Layouts Separate designs for mobile, tablet, and desktop views

  • Mobile-Specific Deliverables

    - Platform-Specific Guidelines iOS and Android UI variations following respective HIG/Material Design - Touch Targets & Gestures Consideration for swipe, tap, long press, etc. for mobile interactions

  • Prototypes & Testing

    - Interactive Prototypes Clickable mockups for user testing and stakeholder reviews (Figma) - Usability Testing Reports Insights from moderated/unmoderated testing sessions with real users - Iteration Plans Updates based on user feedback and usability issues found

  • Handoff & Support

    - Developer Handoff ( Figma, etc.) Organized components, spacing, specs, and design tokens for developers - Design Documentation Notes explaining logic behind interactions, transitions, and use cases

Duration

4 weeks

Skills and tools

Mobile Designer

UX Designer

Web Designer

Adobe Illustrator

Adobe Illustrator

Figma

Figma

Miro

Miro

Sketch

Sketch

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