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Development Studio

Native mobile applications built with precision code.

We build high-performance native iOS and Android apps using Swift, Kotlin, and React Native. Clean architecture, offline capabilities, and enterprise-grade security.

Free 30-min discovery call
Fixed-price contracts
NDA on request
professionaldesigners.ch
40+ Native AppsTrack Record
8–16 WeeksAvg. Timeline

Trusted by enterprise clients across 18 countries

ALLIANZ NOVARTIS UBS GROUP ABB LTD NESTLÉ ROCHE
What is Mobile App Development?

Swiss-engineered mobile development for iOS and Android.

Mobile apps demand absolute performance and responsiveness. Users expect native animations, offline functionality, instant startup times, and respect for device resources.

At Professional Designers, we engineer robust mobile applications. Whether building natively (Swift/Kotlin) for maximum performance or utilizing cross-platform frameworks (React Native/Flutter) for code efficiency, we deliver secure, scalable solutions.

Every mobile app we build undergoes rigorous automated testing, security audits, and comes pre-configured for App Store and Google Play compliance.

Native Swift & Kotlin coding
Secure OAuth2 integrations
Offline-first databases
Native UI rendering speeds
App store publishing assistance
Comprehensive crash logging
Mobile App Development Development Studio
40+ Native AppsTrack Record
100% Store ApprovalQuality Standard
4.8/5Client Rating
8–16 WeeksAvg. Timeline
What's Included

Every deliverable. No hidden extras.

Our Mobile App Development packages are comprehensive by default. You'll never pay extra for something that should have been included from the start.

Native Mobile App Build

Complete source code for your mobile app, built with clean, modular architecture and native layout guidelines.

  • iOS & Android source code
  • Native Swift & Kotlin components
  • Figma design match
  • Dependency documentation

Offline-First Database

Integration of a secure, lightweight database (SQLite/Realm) enabling offline usage and background data syncing.

  • Secure database design
  • Background sync algorithms
  • Offline data queue systems
  • Device storage optimizations

App Store Submission Pack

Provisioning files, certificates, metadata sheets, app icons, and screenshot assets required to launch on App Store and Google Play.

  • App Store guidelines check
  • Metadata & visual assets pack
  • Publishing certificate setup
  • Store listing configuration

Crash Logging & Analytics

Integration of diagnostic tools (Firebase Crashlytics, Sentry) monitoring app performance, bug reports, and user metrics in real-time.

  • Real-time crash tracking
  • User behavior analytics
  • Device performance metrics
  • Custom event logging

Maintenance & SLA

A detailed service agreement offering quarterly updates, OS compatibility checks, security patches, and server uptime monitoring.

  • OS update compatibility checks
  • 24/7 server monitoring
  • Security patch deployment
  • Incident response team
Our Process

Structured delivery. Zero guesswork.

Every Mobile App Development project follows the same proven framework — Swiss precision with agile delivery so you always know what's happening next.

01

Discovery

Identify core mobile features, database needs, APIs, and platform specifications.

02

Architecture

Map sitemaps, data flows, database schemas, and API integration paths.

03

Development

Develop native app code across sprints, with bi-weekly test builds sent to stakeholders.

04

QA & Testing

Audit security compliance, gesture response times, offline syncing, and crash rates.

05

Publishing

Configure store accounts, set up listing details, submit for review, and handle approvals.

06

Support

Go live, monitor crash logs, deploy immediate patches, and coordinate SLA support.

Week 1–2

UX Mapping & Database Design

Week 3–4

API Specifications

Week 13–16

App Store Publishing & Review

Transparent Pricing

Fixed prices. No surprises.

All packages include the full service process. No scope creep, no hidden extras.

Starter
CHF 5,000

Ideal for SMEs needing a simple, professional mobile MVP.

  • Up to 8 primary screens
  • Core layout grid setup
  • iOS or Android (single platform)
  • Basic API integrations
  • Interactive clickthrough link
  • 1 revision round
  • No offline database
  • No dark mode variant
Timeline: 8–16 Weeks
Get Started
Enterprise
CHF Custom

Bespoke native apps for global corporations with complex integrations and high-traffic requirements.

  • Unlimited screen layouts
  • Custom layout grids & spacing
  • Advanced biometric security
  • WCAG 2.1 AA accessibility
  • Multi-language support
  • Dedicated account manager
  • Ongoing development retainer
  • Unlimited revisions
Custom timelines available
Request a Quote

All prices are fixed-fee contracts. Ask about our multi-studio bundle discounts.

Recent Work

Projects we're proud of.

Corporate Project

Allianz Switzerland

Native claims filing app for iOS and Android with offline support and document upload.

Native AppOffline-First
Corporate Project

ConnectorSaaS

React Native app for real-time cloud data monitoring with biometric login.

React NativeData Monitoring
Corporate Project

Zurich Financial

iOS banking companion app with secure account management and push notifications.

iOS AppFintech

"Professional Designers' mobile app development exceeded our expectations. The code is clean, stable, and user satisfaction scores increased by 45% post-launch."

LH
Laura Henning Chief Design Officer, Professional Designers AG
★★★★★
40+Native apps launched
100%Store approval rate
4.8/5Client rating
FAQ

Answers before you ask.

We build native apps using Swift and Kotlin, and cross-platform apps using React Native and Flutter, recommending the best tool for your requirements.

A standard native app development project takes between 8 and 16 weeks depending on complexity.

Yes — we handle the entire provisioning, code signing, and metadata submission process for both App Store and Google Play.

We design an offline-first database using SQLite or Realm, queuing updates on the device and syncing with the server once connection is restored.

Yes. All our mobile development packages are fixed-price contracts.

Yes. We execute mutual NDAs before any internal documents, technical specs, or data are shared.

Ready to get started with Mobile App Development?

Talk to a senior specialist — free 30-minute discovery call. No sales pitch, no commitment.