MOBILE APP DESIGN

Not every team can

design mobile app UI

that triples engagement

Our

mobile app design

services have delivered 3x longer sessions, 70% user retention, and 40% faster MVP launches. If that’s the kind of traction you’re after, we’re the team that makes it happen.

Let’s talk View cases

Your next growth stage starts with the right mobile app design services partner — at launch, or at scale

DESIGNING PRODUCTS FOR STARTUPS BACKED BY

and more

phenomenon studio IN NUMBERS

98%

customer satisfaction rate

35%+

boost in conversions after redesign

60+

top-tier designers and developers on board

500M+

investments raised by our clients

BEFORE YOU HIRE A MOBILE APP DESIGN AGENCY

Read what most founders struggle with — and how our mobile app UI/UX design services fix it

Some mobile apps fail long before launch — not because the idea is weak, but because the design misses what real users (and teams) need. Here’s how our mobile application design company solves the problems you’ve already faced (or are trying to avoid).

People download our app, open it once, and never come back. We’ve tried everything, but nothing sticks.

As a top-rated mobile app design agency, we build flows that drive retention from the first tap. Through onboarding logic, habit loops, and emotionally intelligent UX, we turn installs into engagements by combining modern mobile app design with user behaviour insights.

It took us six months to get an MVP out — and by then, the investor we were talking to had already moved on.

We deliver mobile app design & development fast, without cutting corners. With lean sprints, cross-functional collaboration, and dev-ready Figma systems, we help startups launch 40% faster, without sacrificing quality.

Every time we try to add an app feature, something breaks. The UI looks nice, but it’s not built to grow.

We replace fragile design with scalable systems. Through modular libraries, mobile app interface design best practices, and components optimized for dev execution, we eliminate rework and support faster iterations as your product evolves.

OUR MOBILE APP DESIGN SERVICES

Your users don’t care how “slick” your mobile app looks if it doesn’t work

From early UX mapping to polished UI and development-ready design, our mobile app design and development services help teams enhance user engagement, boost in-app conversions, and reduce development rework. Here’s exactly how:

Prototype design
UI/UX design
App redesign

Fast, focused mobile app responsive design prototypes to validate core ideas.

Mid-fi prototypes

Interactive wireframes illustrating structure and flow for rapid stakeholder feedback and iteration.

High-fi prototypes

Pixel-perfect mockups with animations to simulate final experience and test visual polish.

MVP pack

Core screens and flows bundled into demo build for investors, pilots, or tests

Full-scope design for mobile apps tailored to user flows, business goals, and feature complexity.

UX audit

Identify usability gaps using heuristics, analytics, and interviews; prioritize actionable, high-impact fixes.

User-flow mapping

Blueprint optimal journeys, reducing friction, clarifying tasks, and guiding design decisions with evidence.

Wireframes

Low-fidelity layouts defining hierarchy and interactions before detailed visual design begins confidently.

Visual UI

Craft high-impact interfaces using colour, typography, and spacing for consistent, intuitive aesthetics.

Design system

Reusable components boost scalability, development speed, and team alignment across multiple products.

Visual and functional overhauls for products falling behind in usability, clarity, or growth.

Interface refresh

Modernize visuals, update styles, and enhance clarity without changing underlying functionality or structure.

Usability overhaul

Restructure flows based on analytics, improving conversions, retention, and overall user satisfaction metrics.

Brand alignment

Synchronize app visuals with brand guidelines, voice, and values for cohesive user experiences.

Motion upgrade

Introduce animations and micro-interactions that guide attention, reinforce feedback, and delight users effectively.

Accessibility tune-up

Refine contrast, typography, and navigation patterns to meet WCAG standards and inclusive design.

TYPES OF MOBILE APPS WE DESIGN

No one app fits all: explore the types of mobile apps we design and develop

Not every mobile product needs to be native, and not every hybrid should be. Our mobile app design & development company helps you choose the right format based on your product vision, users, and roadmap.

Native mobile applications

High-performance, intuitive apps built specifically for iOS (Swift) or Android (Kotlin).

Native mobile applications

Ideal for performance-critical mobile apps requiring seamless interactions and hardware access.

Let's discuss

Ideal for performance-critical mobile apps requiring seamless interactions and hardware access.

Let's discuss

Cross-platform native apps

A single shared codebase provides a native-like user experience across multiple platforms when using React Native or Flutter.

Cross-platform native apps

Best suited for startups rapidly building across platforms to capture wider market reach.

Let's discuss

Best suited for startups rapidly building across platforms to capture wider market reach.

Let's discuss

Hybrid mobile applications

Web-based technologies (Ionic, Cordova) packaged within native wrappers for faster build cycles.

Hybrid mobile applications

Suitable for content-driven or internal business apps needing quick deployment.

Let's discuss

Suitable for content-driven or internal business apps needing quick deployment.

Let's discuss

Progressive web applications

Browser-based apps delivering native-app experiences without app store constraints.

Progressive web applications

Quick-to-market solutions ideal for early validation or increasing web presence.

Let's discuss

Quick-to-market solutions ideal for early validation or increasing web presence.

Let's discuss

E-commerce mobile apps

Apps with optimized flows, mobile checkout UX, product catalogues, and integration with inventory and payment systems.

E-commerce mobile apps

Ideal for brands looking to grow DTC or marketplace sales through native mobile channels.

Let's discuss

Ideal for brands looking to grow DTC or marketplace sales through native mobile channels.

Let's discuss

SaaS mobile extensions

Mobile counterparts to desktop-first SaaS platforms, built for on-the-go access, feature parity, and user retention.

SaaS mobile extensions

Best suited for: SaaS companies extending key product functionality to mobile users.

Let's discuss

Best suited for: SaaS companies extending key product functionality to mobile users.

Let's discuss

OUR MOBILE APP DESIGN EXPERTISE

Inside our approach to

mobile app design & development

across industries we build in most

Different products call for different mobile app design strategies. Here’s how our design & mobile app development services adapt to real user behaviour, product logic, and go-to-market priorities — with examples from 120+ launches.

Fast, flexible mobile app UI/UX design services for complex SaaS products

Where mobile UX breaks:

Feature overload
Cluttered dashboards
No mobile parity
Confusing pricing flows

How we fix it:

Prioritized flows by role
Modular UI libraries
Billing & onboarding UX
Mobile-first navigation logic

Explore

Healthcare mobile app interface design for patient trust, care delivery, and compliance

Where mobile UX breaks:

Poor data clarity
Anxiety-inducing UI
No accessibility support
HIPAA misalignment

How we fix it:

Calming, intuitive visual language
Secure interface design
Accessible, ADA-compliant layouts
UX that supports care delivery logic

Explore

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Mobile app UI/UX design for motivation, accessibility, and structured learning

Where mobile UX breaks:

Boring UI
Poor content navigation
No mobile-optimized learning flow
Inconsistent user roles

How we fix it:

Role-specific UX (learner, teacher, admin)
Gamified UI for engagement
Offline-ready design for mobile study
Clear progress & achievement logic

Explore

Image - original-b192cb984071cf246dfd93fb4cad942d

Trust-first fintech mobile app design that converts and retains

Where mobile UX breaks:

Cold, transactional interfaces
High user drop-off in onboarding
Overcomplicated money flows
Compliance friction

How we fix it:

Human-first onboarding
Clear financial journeys
Secure yet intuitive UX patterns
Design tuned for KYC, AML, PCI

Explore

Image - original-c3e8351049d2affe66179c23260e6205

Mobile app design that makes crypto-native tools usable and human

Where mobile UX breaks:

Clunky wallet connections
Visual overload
No onboarding clarity
High drop-off post sign-in

How we fix it:

Simplified onboarding
Wallet-agnostic flows
Token/asset UX clarity
Clean visuals for Apps & dashboards

Explore

Need to launch your mobile app?

Book a call with Kseniia Shalia, our account executive, to talk through your goals and get a clear path forward.

Book a Consultation

DESIGNING MOBILE APP FEATURES THAT MATTER

From onboarding to analytics, we design app features your users will use — and investors will ask about

Onboarding & account management

Geolocation management

Real-time tracking, local discovery, and location-triggered actions.

Payments & subscriptions

In-app payments, billing logic, plan upgrades, and wallet integrations.

In-app messaging & chat

User-to-user or system messaging with optional support and moderation layers.

Multi-device synchronization

Consistent user data and session continuity across platforms.

Voice recognition & audio recording

Hands-free input for journaling, commands, or content capture.

Chatbots & auto-replies

Automated responses and guided flows triggered by user behaviour.

Scheduling & booking

Built-in calendar views, time slot selection, and confirmations.

Image recognition & upload

Camera-based capture, document scanning, and visual tagging.

QR code scanning

Quick access, onboarding, or feature unlock via native scanner.

Push notifications & alerts

Real-time updates, reminders, and engagement prompts.

Wearables & smart TV integration

Support for fitness trackers, watches, and large-screen devices.

IoT device interaction

Sync and control smart sensors or connected hardware.

Mobile business intelligence

In-app dashboards, usage insights, and goal tracking.

AI-driven user experience

Adaptive flows, content, and recommendations based on behaviour.

Gamification & progress tracking

Streaks, milestones, and achievements to drive repeat use.

Two-factor authentication (2FA)

Extra login security via SMS, email, or authenticator apps.

Biometric authentication

Face ID, Touch ID, or native fingerprint login for fast, secure access.

Technology stack

Frameworks &
technologies we use

Swift

Kotlin

React Native

Flutter

INSIDE OUR MOBILE APP DESIGN SERVICES

Key steps

Dev-ready specs and annotations
Component naming + asset prep
QA support during implementation

Deliverables

Final Figma kit UI library handoff checklist

See what it’s like to work with us

Your product. Your priorities. One week of focused mobile app design at a reduced rate. Use it to test a screen, a flow, or a critical feature before committing to a full engagement with our mobile application design company.

START YOUR DESIGN TRIAL

FEATURED CASES

The results you get when a time-tested strategy meets great mobile app design

See how our

mobile app design and development

agency helped fast-growing startups launch products that convert, engage, and scale.

#Product redesign #Mobile app development

MyWisdom — a digital platform for safer, more connected aging

MyWisdom

USA

Tech Stack

Flutter, Java, Spring Boot, Python, WebSocket, Computer Vision, AWS, PostgreSQL, Redis, Docker, Swagger, Liquibase

Timeline

5 month

Results

Clearer focus and smoother user flows

Better accessibility for diverse user needs

Consistent and scalable design system

Explore

KlickEx – frictionless cross-<wbr>border payments for the Pacific Island communities - image cover

#UX audit #Product redesign #web development

KlickEx – frictionless cross-border payments for the Pacific Island communities

Nomupay

New Zealand

Tech Stack

Next.js, TypeScript, React Redux

Timeline

6 months

Results

+35% "Add Money" conversion rate

+30% "Money Transfer" completion rate

Raised $1M in additional funding within 6 months

Explore

Izek Lal

Country manager

We have seen a significant improvement in terms of mobile friendliness and the general flow of the system. I believe this has contributed significantly to the growth of our business. Many thanks, Phenomenon.

#Product discovery #MVP Building

MindTales – mental health app

MindTales

Image - round-united-arab-emirates-flag-isolated-on-white-background-round-national-flag-of-uae-vector-removebg-preview

UAE

Results

$750K investment secured

Streamlined therapist-patient interaction

Efficient MVP development

Explore

Explore All Cases

What Our Clients Say

5.0 is our average on clutch & designrush

5.0

4.9

Craig Tortolani

CPO at Dekryption Labs

Alex Friedman

CEO at Open Path

Not only is the team extremely communicative, their work is exceptional. I have never worked with a team so talented while also being competitively priced and communicative.

KlickEx Team

George Fry

Founder at Neap

The quality of the designs is fantastic. Phenomenon Studio works at speed and is extremely punctual with timelines. They deliver top-notch outcomes with exceptional designs.

Andre Guerra

Co-Owner at RADCAT Design

Kevin Alvarez

Founder & General Partner, Predictive

Phenomenon Studio's ability to translate concepts and rough design mock-ups into high-fidelity assets, designs, and visuals was very impressive. The goal was to maintain simple elegance in the design aesthetic, and they did it very well.

MOBILE APP DESIGN COST

What shapes the price of mobile app design & development at Phenomenon Studio?

Every mobile build is its own ecosystem—whether it’s a three-screen proof of concept, a consumer app with chat and payments, or an enterprise platform streaming real-time analytics.

That range means we can’t price design like an off-the-shelf template. Instead, we size each engagement against your product scope, technical depth, launch timeline, and the capabilities already inside your team.

What affects your mobile app design cost?

Scope & screen count

More logic, more states,
more hours

App type & tech stack

Native, cross-platform, or hybrid—all impact
delivery speed and complexity

Reusable design systems

Investing in scalable UI libraries increases up-front
scope but reduces future cost

Validation and testing needs

MVP? Funding round? Enterprise launch? Each
use case changes the design & mobile app

Team collaboration

Working with your devs vs delivering turnkey
changes how we scope and staff the team

Get a custom mobile app design estimate

Our pricing and your product are not prepackaged. Book a free consultation and get a tailored quote for mobile app design, UI/UX, or full mobile app development services.

Get Your Project Estimate

How to work with us

Move your mobile app design forward — at your pace, with the right level of support

Outsource
Dedicated team
Team extention

Explore All

Partner with a full-cycle product design company

We work as your long-term product design and development partner, owning strategy, discovery, design, dev, QA, and scaling iterations. This is not a “project”— it’s your full product team.

Best for

Founders who want a senior team thinking beyond sprints
Startups scaling beyond MVP and needing deep product ownership

What you get

Expert team aligned with your roadmap, KPIs, and business goals
Strategic discovery, UX systems

Hire Your Full-Cycle Team

Hire a full-stack dedicated team

We deliver your product from idea to launch—fast and lean. You get execution-ready design and development support with a clear project scope and delivery timeline.

Best for

MVPs or feature builds with a defined goal and launch window
Pre-seed and seed startups that need to ship without building an in-house team

What you get

UI/UX, development, QA, and PM in one dedicated team
Clear scope, fixed timeline, efficient delivery

Get Your Dedicated Team

Augment your existing team

We provide developers, designers, and QA engineers to integrate with your team, helping you scale fast while keeping full control over execution.

Best for

Startups needing specialized expertise without long-term hiring
Seed & Series A+ startups looking to accelerate development

What you get

Embedded designers, developers, or product managers to fill skill gaps
Faster product delivery without the hiring delays & overhead costs

Hire Your Full-Cycle Team

Explore All

WHY CHOOSE PHENOMENON STUDIO FOR YOUR MOBILE APP DESIGN

Your success is our priority

Design that meets regulation

HIPAA- and GDPR-certified expertise for Healthcare and beyond.

Since 2019, we’ve gained HIPAA and GDPR certifications and industry recognition, delivering hundreds of products in Healthcare, SaaS, FinTech, and EdTech — where compliance and UX go hand in hand.

Design that lasts beyond trends

We don’t chase fads. We build digital products that stay relevant.

Our work looks sharp today and stays usable tomorrow — designed around long-term value, not short-term gimmicks. Scalable systems, brand consistency, and smart UX that grows with your product.

Design that’s developer-ready

We design for implementation, not handoff.

Every component is built with devs in mind: design tokens, accessibility, reusability, and real-world constraints. We collaborate with your team, reuse existing elements, and stay involved until everything’s live.

Local presence. Global delivery

Work directly with the doers — not a chain of account managers.

Collaborate with UX strategists in North America, while our senior design and development teams in Europe deliver fast, consistent results. We integrate into your tools and workflow, working as part of your team — from a single embedded designer to a full product squad.

Among award-winning product design firms

Wins that inspire us forward

Related Services

Services that pair well with your mobile app design

Website design services

Custom website layouts and UX/UI strategies to improve engagement and conversions.

Explore

Mobile app development

End-to-end development of mobile applications for iOS and Android.

Explore

Branding

Develop a brand that resonates — visually, emotionally, and strategically.

Explore

FAQs

Questions already
answered

How do you design a mobile app at Phenomenon?

We start with your business goals, product vision, and user behavior. Then we move through user journey mapping, wireframes, visual direction, and full UI delivery. Every step is built for clarity, reuse, and launch-readiness. As a mobile app design company, we deliver dev-ready Figma files, interactive prototypes, and scalable component libraries — tailored to your app type and stack.

How to design a mobile phone app?

The best mobile app design process starts with understanding real user problems. We focus on structure, not just visuals — designing mobile app UI that aligns with platform behaviours (iOS, Android, or cross-platform), keeps interfaces familiar, and simplifies user actions. From simple onboarding to complex dashboards, our goal is user clarity and business traction.

Do you offer mobile app design and development?

Yes. Phenomenon is your partner for mobile app design, development, and full-stack execution. Our in-house developers and QA engineers work alongside our designers to deliver complete apps across iOS, Android, or hybrid frameworks like Flutter and React Native. You can hire us for delivering mobile app user interface design only, or end-to-end mobile app development services.

What affects the cost of mobile app design & development?

The cost of UI UX design for mobile apps depends on feature complexity, app type (native vs cross-platform), number of screens, design system depth, and validation needs. For example, a modern mobile app design with animations, multiple user roles, and custom components will cost more than a simple 5-screen MVP. We break this down transparently in our cost section.

Do you design responsive mobile apps?

Yes — mobile app responsive design is a standard part of our process. As part of the best mobile app design practices, we create screen variants for multiple breakpoints, including mobile, tablet, and small desktop, where applicable. Whether it’s mobile-first or adapted from desktop, we deliver mobile app user interface design that performs across devices without breaking layout or logic.

What are the current trends in mobile app UI/UX design?

Modern mobile app design is moving toward clarity, motion, and modularity. Users expect microinteractions, gesture-based flows, and a clean mobile app interface design that adapts across devices.

As a mobile app design agency, we also see a shift toward mobile app user interface design systems that are flexible, scalable, and dev-aligned — especially for products planning frequent releases. At Phenomenon, we build UI kits and flows that reflect these great mobile app design trends while staying grounded in your app’s specific goals and audience.

What’s included in UI/UX design for mobile apps?

Effective mobile app design projects go beyond screens — they include user flows, wireframes, visual systems, and interaction logic. Whether you’re building a brand-new mobile app design app or reworking an existing product, we design structure-first to support both user behavior and business outcomes.

At Phenomenon, our design mobile app development process includes dev-aligned components, motion design, and assets built to scale, not just look good in a Figma file.

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