Professional Mobile App Design by Christoph BogatzkiProfessional Mobile App Design by Christoph Bogatzki
Professional Mobile App DesignChristoph Bogatzki
Cover image for Professional Mobile App Design
I’ve worked with over 100 clients on countless projects across different freelance platforms and beyond — and have never, not once, received negative feedback.
That's because I design mobile apps that are intuitive, visually refined, and frustration-free — helping users stay engaged and reducing churn. My goal is to make complex products feel effortless while keeping a strong, consistent visual identity. You’re not just buying a design service — you’re investing in the security that your project will be handled professionally and reliably from start to finish.

What's included

🗺️ Userflow Map (low fidelity)
A visual overview of how users move through the app — showing all key screens and interactions. It helps you and your team understand the logic, structure, and user journey at a glance.
🧩 Wireframes (mid fidelity)
Simplified layouts of each screen that define content structure, navigation, and functionality before visual design begins. Wireframes make sure the app feels intuitive and clear.
🎨 Final User Interface (high fidelity)
High-fidelity screens showing the final look and feel of your app — including colors, typography, icons, spacing, and states. This is the design your users will actually see and interact with.
Design System
A collection of reusable components (buttons, inputs, tabs, cards, etc.) and style tokens (colors, fonts, spacing) that ensure consistency across your app and make future updates faster and easier.
Developer Handoff
Everything your developers need to build the app exactly as designed — including annotated Figma files, exported assets (SVG/PNG), design specifications, and short video walkthroughs explaining logic and interactions.
FAQs
You’re not buying a design service — you’re investing in the peace of mind that your project will be handled professionally and reliably from start to finish. My process is structured, transparent, and focused on delivering intuitive, high-quality results that stand the test of real-world use.
The timeline depends entirely on the app’s scope and complexity. Smaller projects can be completed in as little as two weeks, while more complex platforms with multiple flows and features may take several months. I’ll always provide a realistic schedule upfront so you know exactly what to expect.
It’s generally not recommended, as designs often evolve — earlier screens may be refined or restructured during later stages. However, if it’s essential for your workflow, early access can be arranged with full upfront payment.
In the course of development, some ideas naturally need to be reworked or even dropped — that’s completely normal. That’s why I provide a comprehensive hand-off package to keep everything clear and consistent. It includes detailed Figma files with specs, exported assets (SVG/PNG), Loom videos explaining the design logic and component structure, and short developer support.
Before we start, we can sign a non-disclosure agreement (NDA) for your assurance. You’ll receive all final design files, assets, component documentation, and the rights to use them as we agree in the contract — you’ll be the owner of the delivered work.
Contact for pricing
Tags
Adobe Illustrator
Adobe Photoshop
Figma
Midjourney
Mobile Designer
UI Designer
UX Designer
Service provided by
Christoph Bogatzki proHamburg, Germany
1
Paid projects
4
Followers
Professional Mobile App DesignChristoph Bogatzki
Contact for pricing
Tags
Adobe Illustrator
Adobe Photoshop
Figma
Midjourney
Mobile Designer
UI Designer
UX Designer
Cover image for Professional Mobile App Design
I’ve worked with over 100 clients on countless projects across different freelance platforms and beyond — and have never, not once, received negative feedback.
That's because I design mobile apps that are intuitive, visually refined, and frustration-free — helping users stay engaged and reducing churn. My goal is to make complex products feel effortless while keeping a strong, consistent visual identity. You’re not just buying a design service — you’re investing in the security that your project will be handled professionally and reliably from start to finish.

What's included

🗺️ Userflow Map (low fidelity)
A visual overview of how users move through the app — showing all key screens and interactions. It helps you and your team understand the logic, structure, and user journey at a glance.
🧩 Wireframes (mid fidelity)
Simplified layouts of each screen that define content structure, navigation, and functionality before visual design begins. Wireframes make sure the app feels intuitive and clear.
🎨 Final User Interface (high fidelity)
High-fidelity screens showing the final look and feel of your app — including colors, typography, icons, spacing, and states. This is the design your users will actually see and interact with.
Design System
A collection of reusable components (buttons, inputs, tabs, cards, etc.) and style tokens (colors, fonts, spacing) that ensure consistency across your app and make future updates faster and easier.
Developer Handoff
Everything your developers need to build the app exactly as designed — including annotated Figma files, exported assets (SVG/PNG), design specifications, and short video walkthroughs explaining logic and interactions.
FAQs
You’re not buying a design service — you’re investing in the peace of mind that your project will be handled professionally and reliably from start to finish. My process is structured, transparent, and focused on delivering intuitive, high-quality results that stand the test of real-world use.
The timeline depends entirely on the app’s scope and complexity. Smaller projects can be completed in as little as two weeks, while more complex platforms with multiple flows and features may take several months. I’ll always provide a realistic schedule upfront so you know exactly what to expect.
It’s generally not recommended, as designs often evolve — earlier screens may be refined or restructured during later stages. However, if it’s essential for your workflow, early access can be arranged with full upfront payment.
In the course of development, some ideas naturally need to be reworked or even dropped — that’s completely normal. That’s why I provide a comprehensive hand-off package to keep everything clear and consistent. It includes detailed Figma files with specs, exported assets (SVG/PNG), Loom videos explaining the design logic and component structure, and short developer support.
Before we start, we can sign a non-disclosure agreement (NDA) for your assurance. You’ll receive all final design files, assets, component documentation, and the rights to use them as we agree in the contract — you’ll be the owner of the delivered work.
Contact for pricing