End-to-end Custom Mobile Apps: Design & Development

We are designers and developers working side by side to build reliable, scalable mobile products — from MVP to growth.

70%

our clients come from referrals

15+

years in design & development

Our mobile app design & development services for every product stage

Startup / Quick testing phase

Validate fast — without overbuilding or burning budget.
What we offer:
Custom Web Apps
Low-code / AI-assisted builds
MVP design
Best for:
Early ideas or first MVPs
Testing demand and user flows
Speed and budget efficiency
Establishing an initial online presence

Early growth / Product–market fit

When users are coming in and the product needs to feel right
What we offer:
Full-Circle Mobile app Design & development
Cross-Platform Universal Apps
Customer Journey Audit & Redesign
App Store & Google Play preparation
Best for:
Live products with early traction
Improving usability and retention
Turning an MVP into a real product

Scale & optimization

When the product is growing and quality becomes critical
What we offer:
Scalable mobile architectures
Design systems & component libraries
Performance & Interface optimization
Growth experiments & A/B testing
Best for:
Increasing traffic and usage
Growing teams and feature sets
Business-critical mobile products

Enterprise / Complex products

When complexity, integrations, and reliability are key
What we offer:
Native iOS and Android development
Custom Mobile Internal Portals with deep integrations (ERP, CRM, APIs, hardware)
Security, compliance, and role-based access
Long-term partnership and support
Best for:
Complex infrastructures
High security requirements

Need only design
or just development?

We’re end-to-end product experts, built for collaboration. Our developers work confidently with external designs, and our designers deliver handoffs your team can actually build.

We can take on either part. Whether you have an in-house team missing a piece or need full-cycle execution.

Need only design
or just development?

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Validate your idea with a new user-friendly App

Get a free consultation with our project manager

Push your company's boundaries with a new user-focused App

Get a free consultation with our project manager

Modernise your App with Design & Dev experts

Get a free consultation with our project manager

Get a Custum App to solve non-obvious business goals

Submit a Request for a free consultation

How we work

Step 6: Launch & Growth Support
Post-launch partnership. We monitor metrics, run A/B tests, execute growth experiments, and maintain continuous improvement.
Step 5: Development & Delivery
Production-ready code, detailed specs, and smooth handover. We stay through QA to ensure pixel-perfect implementation.
Step 1: Discovery & Evaluation
Deep dive into your business goals, KPIs, and risks. We audit existing flows, map user journeys, analyze competitors, and build testable hypotheses.
Step 2: Product & UX Strategy
Defining goals, target users, app structure, and core functionality. We create user personas and map key user scenarios.
Step 4: UI Design & Design System
Visual direction, screen structure, interactions, navigation patterns. We build scalable component libraries and design systems.
Step 3: UX Wireframing & Prototyping
Rapid prototyping cycles validated with real users. We test, collect metrics, iterate based on feedback — fixing friction before development starts.
Apps fail not because of features
but because of user experience.
Users don’t leave because an app is missing functionality. They leave when it feels clunky, confusing, or unreliable. That’s where UX and engineering need to work together — and that’s where we come in.

Get a free UX/UI audit and discover exactly why users leave

Do you know why people don’t use your app?

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Y-Tech Projects

What makes working
with Y-Tech different
Not just a function, but a partner
Our principle is transparent communication. We ask uncomfortable questions, validate assumptions, and challenge your thinking. You acquire an involved workfellow, not just a subagent. 
Measurable progress every week
Senior team, weekly meetings and sprint KPIs. You see exactly how the process is built.
Built to scale from day one
Design systems, performance budgets, and accessibility standards that keep speed high as your app grows.
Flexible development models
From ultra-fast PWA and AI-assisted low-code builds to cross-platform and native apps — we match your needs and budget.
Engineering you can rely on
High-performance architectures, clean code, scalable infrastructure. We deliver apps that work smoothly under load.
AI-accelerated without compromise
We use AI and low-code tools to develop 2−3x faster, but user experience is always designed manually by UX experts.
American & Swiss design standards
Trained in systematic design thinking from world’s top schools, we bring design systems, scalability frameworks, and approaches junior teams can’t match.
Research-driven UX, dev-ready UI
We validate flows with real users, then deliver clean, scalable UI that developers can ship fast and safely.
Trusted by fintech, healthtech, e-commerce, SaaS & AI enterprises globally
What people say about us
164% Growth in three months
Y-Tech developed a concise, multi-market website for the US, Europe, the UAE, and South Korea. The team quickly understood our requirements and delivered an optimal solution within budget and on schedule. Within three months after launch, our business grew by 164%, and the website received two prestigious design awards—an important boost for our marketing studio’s reputation.
Anastasia Vitruk
Founder
Digital Alpaca, USA
CSS Design Awards
Y-Tech designed and developed a new website for our group of companies based on a deep understanding of our business, values, and naming. The user-centric design, refined animations, and attention to detail created a strong sense of structure, trust, and experience. The final result perfectly reflects the tone, maturity, and internal connection of the BWB group.
Serguei Aver
Chief Executive Officer
BWB Hospitality Group
#1 go-to studio
Y-Tech is my number one go-to studio for digital projects. Under Ksenia’s attentive guidance, the team not only delivers what’s needed but helps shape the vision, clarify ideas, and support the project from first inquiry to launch and beyond. Working with Y-Tech feels less like hiring a service and more like collaborating with trusted partners who truly care about the outcome.
Arina Nitschke
Executive Coach & Organizational Consultant
Basel, Switzerland
Smart design
Y-Tech redesigned and developed our new website, handling a large volume of content and design updates with clarity and precision. They delivered an elegant, minimalistic design that reflects our brand values and the high-end events we produce. The result increased website traffic by 60% and reduced bounce rate by 40%, leading to a long-term collaboration across multiple projects.
Anastasia Nisenbaum
Director, Partner
Exclamation Group, NYC
Convenient, logical, and creative
Working with Ksenia and the Y-Tech team was easy and inspiring from the first briefing to the final edits. They helped structure the idea, define priorities, and create a strong visual language supported by in-depth competitor and audience analysis. The result stands out from competitors, keeps users engaged, and consistently receives great feedback.
Jean Remi Barbier
Artist
NYC, USA
Versatile and reliable partner
Y-Tech developed an online flower shop for the UAE market, delivering a user-friendly website with CRM and secure payment integrations. The project was completed on time, with clear communication and efficient project management throughout. The team’s dedication, versatility, and commitment to quality made them a highly reliable partner.
Andrew Shevtsov
Head of IT & Co-Founder
IT Consulting Company

Our Design Awards

Smart solutions that solve business struggles:

Low conversion rates

Poor mobile traffic conversion — lost revenue on the majority of your visitors.

Competitors already have apps

They capture customers through push notifications and offline access while you're left behind.

Previous developers let you down

Poor quality, missed deadlines and unviable costs.

Manual processes drain resources

Your team wastes hours on tasks that should be automated through mobile workflows.

No direct customer access

Missing features only apps provide: push notifications, personalization, and offline mode.

Inconsistent cross-platform experience

Different behavior on iOS and Android confuses users and increases support cost.
Questions that may come up
It depends on complexity and development model. PWA takes 2−4 weeks, cross-platform apps 8−16 weeks, and native development 12−24 weeks. We work in sprints with regular check-ins, so you see progress immediately.
Every business is unique, and so is every solution we create. Let us know more about your goals, so we could provide a clear, customized proposal.
So let's get IT started!
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