UX/UI Design Agency

App Design Services

for Startups

Do you have an idea that you want to bring to life? Or perhaps a product that could benefit from enhancements? Experience our comprehensive product design service, tailored for innovative user interface (UI) and intuitive user experience (UX).

What’s Included in Our Digital Product Designs?


Verify Ideas

Develop Ideas

Improve UX

Improve UI


Design Workshop

Scoping Session

Design Thinking

UX Prototyping

Low-fi mockups


UX Audit

UI Design

Design system

High-fi mockups

Motion design

Assesment of Technology


No-code applications

Motion design

Discover our Competitive Edge

We believe that successful product design goes beyond just creating something that looks good. Dive into the values guiding our work and explain how they shape our products.

Business-Driven Design Decisions

With extensive experience in the tech industry, we offer valuable insights into digital product retention and engagement. Our approach prioritizes the customer experience and uses leading indicators to optimize retention and prevent churn. By understanding the user journey and gauging customer satisfaction, we proactively address issues and maintain user loyalty.

We Walk Miles in Your Customer Shoes

It’s important to understand the needs and pain points of your target audience. We conduct thorough research to gain an understanding of your users' behavior, preferences, and goals. This allows us to create intuitive and user-friendly interfaces that cater to their specific needs.

We Help You Find Your Optimal Tech Stack

Each client's needs are unique. Some require custom code, while others benefit from scalable components for their MVP. Our team is well-versed in various technologies and understands their advantages and drawbacks. We carefully assess the most suitable approach for your project, considering factors such as technology type and vendor selection, from freelancers to large agencies. We prioritize asking detailed questions to recommend the ideal developer for your design handoff, or we can collaborate with your existing development team to bring your product to life.

Avoid Headaches

Streamlining the design process is crucial for cost savings and avoiding headaches. That's why we prioritize comprehensive documentation and prototyping to capture elements such as active states, hovers, mobile views, and user journeys. This approach facilitates handoff to developers, reducing their involvement, inquiries, and hence your expenses. Our goal is to provide you with a smooth product development experience.

"Charly's members were able to respond quickly and effectively, going above and beyond. Their dedication, attention to detail, and willingness to accept feedback were impressive."

Brendan Hsu, Co-Founder at Aerial Canvas

Featured Projects

UX/UI Design
App Development
Project Management
Content Writing
Web App Maintenance
Digital Strategy
Real Bitcoin
Content Writing
UX/UI Design
App Design
Content Writing
Project Management
UX/UI Design

"They are smart, dedicated and really invested. I loved working with Charly and I’m sure you will too"

Marvin Yee, CEO at Farm&Me

Partners and Platforms

Charly Builds Brands

“Visitors increased more than two-fold and new sign-ups by 60%. The team was great to communicate with and delivered results on time.”

Max Kwok, CEO at Jobfit

“I’ve seen a significant increase in sales since we made a website redesign. We are so happy with how everything turned out on our site!”

Erica Liu Williams, CEO at Gr8nola

“I always find something to complain about but with Charly I can honestly say, that they have impressed me. Flawless from the beginning to the very end.”

Sebastian Stemmer, CEO at Digitup

“They demonstrated a strong commitment to delivering top-notch, quality work. The team was also highly responsive and quick to implement any requested changes.”

Madeleine Wallace, CEO at Windrose Vision

“Our new website has made a huge difference for our business. Our site now instills confidence in our clients and has been instrumental in attracting job seekers. The collaboration process was seamless, and post-launch, clients have praised our website and we have seen a surge in conversions.”

April Starlight, CEO at Tangerine

April Starlight, CEO at Tangerine

How the Charly Process Works

We have a proven, proprietary process that will get the best possible book out of you—but be entirely your ideas, in your words, and in your voice. The entire process typically lasts 2-3 months if the author stays on schedule.

Discovery & Planning

Market Research

What customer needs are we fulfilling and what’s already out there? A time to understand the market, map out potential competitors and learn from existing ones.

Business Requirements

Meeting stakeholders and understanding your business needs is crucial. This involves analyzing significant documents, having meaningful conversations with your team on the trajectory of your business, understanding budgetary constraints, establishing goals and expectations, and agreeing on some key metrics that define success.

Stakeholder Interviews

Stakeholder interviews play a crucial role in truly hearing their perspectives and gaining a deep understanding of their needs. By engaging in conversations with users, staff, and relevant individuals, we gather valuable insights. We combine market research and stakeholder input to craft thought-provoking questions that encourage thoughtful responses.

Data Analysis

If you have an existing product, we want to understand how people access, browse, and interact with your product. This enables us to identify pain points and successful user journeys without unnecessary changes to high-performing project components.


Defining personas and understanding their user journey and current challenges is crucial for outlining an effective design. Each persona represents a distinct user type that may interact with our product.


Once we have gathered sufficient information, we can draw a conclusion. This conclusion, however, remains a hypothesis until it is developed and put into practice. The discovery phase aims to define these hypotheses, forming the foundation for our future product. It is upon these ideas that the product will be built.


After completing our research, we have a thorough understanding of the steps required for product development. Next, we need to align these requirements with your budget. Sometimes, we create fully-featured products, while other times we opt for versioning. This approach begins with a fully functional product that offers a limited set of features.

Product Design

User Journeys

User journeys are the paths users take to reach their goals in an app or website. The quicker and easier these paths are, the better your product becomes. Now, there are countless options, but there are definitely some paths that are better than others. And guess what? We excel at mapping them!

Information Architecture

We outline the essential information that should be incorporated into the product, providing us with a blueprint for the design structure. This blueprint serves as the foundation for creating wireframes and sitemaps that shape the project.

Lo-Fi Prototypes

To translate high-level design concepts into testable artifacts, we use lo-fi prototyping. It focuses on functionality rather than visual appearance, often targeting specific features rather than the overall app experience.


Wireframing is the process of designing a digital product at a structural level. It considers user needs and journeys, and is commonly used to lay out page content and functionality. Wireframes establish the basic structure of a page before applying visual design or content.


Our diligent work culminates in the creation of a UX sitemap - a meticulously organized, hierarchical diagram that prioritizes, links, and labels all the elements of a website or application.

User Interface Design

Research & Inspiration

Staying current with trends is crucial to ensure that designs remain relevant. Each industry has its own design expectations that users subconsciously anticipate.

Look & Feel Exploration

Exploring different UI design directions allows us to uncover the ones that truly resonate. During the look & feel phase, we embrace a collaborative approach to define the vibe that best suits the product, drawing from our research, your feedback, and our creativity. This ensures a cohesive and impactful design that aligns perfectly with your vision and business objectives.

Design System

The holy scripture of UI design, your ultimate source of truth. A design system ensures consistency across screens, enabling rapid application of changes and improvements. It simplifies life for you, your current, and future designers and developers.

Schedule a Call

We want to learn more about you! This short call gives you time to let us know about your needs to see if our product is right for you.

Drop Us a Message

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Good to Know

What services do you offer?

We offer the following services:

  • Ecommerce Design & Development, custom-made on Shopify, Webflow or WooCommerce
  • Web Design and Development, custom-made on WebFlow, WordPress or Bubble.io
  • App Design
  • New Branding Guidelines (new name, logo, color and style guides)
  • Content writing
  • Social Media Paid Marketing Campaigns
  • Search Engine Optimization (SEO)
  • Search Engine Marketing (SEM & PPC)

How much will it cost to design and develop my website or app?

Pricing for website redesigns varies greatly based on a business’s needs. A typical end-to-end project costs $5,000-$25,000 and includes everything from the initial consultation, to designing your site or app and making it live.

Contact us to request a detailed breakdown and proposal for your specific needs!

How long will it take to build my website or app?

The time it takes to complete a web or app design project varies depending on its scope. A typical timeline is approximately 2-3 months.

What type of companies do you work with?

We work with companies across all industries including retail, tech, insurance, finance and healthcare.

What is the process of working with Charly like?

You’ll get a team composed of experts to address all your technical, content, and strategy needs. We make ourselves remarkably available to our clients.

You can expect daily communication via email, Slack or other channels that your company usually uses.

We’re also available for meetings in order to communicate any changes or other important information that arises during this process

Will you be within reach once your services are complete?

We’ll be there for you long after your website launches.

Whether it’s a quick question or concern about the website we built together – maybe even years down the road when something new pops up just let us know and we’ll be there!