Relevant
  1. Relevant Software
  2. Services
  3. Mobile app development

Mobile app development services for iOS, Android, and cross-platform

Backed by more than a decade in mobile app development, we design applications that combine stability, intuitive UX, and strategic advantage. Whether it’s a native solution for iOS or Android, or a cross-platform app via Flutter or React Native, our mobile app development company provides end-to-end support, from MVPs to enterprise-grade solutions.

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  • iso-27001
  • gdpr-compliant
  • hipaa-compliant
  • fortune-500
  • clutch-3
  • goodfirms-3
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Our mobile app development services

  • Product discovery and product research
  • iOS and Android app development
  • Mobile app UX design and UI design
  • Progressive web App development
  • Native mobile app development
  • Cross-platform mobile app development
  • Offline-first React Native development
  • High-load mobile app development
  • Mobile testing, QA advisory, and consulting
  • Seamless online performance development
  • Mobile app modernization
  • Maintenance and support
  • Product discovery and product research
  • iOS and Android app development
  • Mobile app UX design and UI design
  • Progressive web App development
  • Native mobile app development
  • Cross-platform mobile app development
  • Offline-first React Native development
  • High-load mobile app development
  • Mobile testing, QA advisory, and consulting
  • Seamless online performance development
  • Mobile app modernization
  • Maintenance and support
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Product discovery and product research

Starting with an in-depth discovery phase, we dive deep to understand your business needs, market, and target audience. This stage covers competitor analysis, user journey maps, and feature priorities. By setting a clear foundation, we ensure the final product aligns with your goals, reduces risks, and creates a roadmap for an app that delivers tangible results.

Ready to build a mobile app that resonates with users and drives growth? Let’s make it happen.
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Paul Carse, CTO and Co-founder of Life Moments, UK

Our mobile app development for your industry

  • Healthcare and wellness
  • Financial services and fintech
  • Retail and eCommerce
  • Education and eLearning
  • Manufacturing
  • Real estate
  • Entertainment
  • Travel and hospitality
  • Agriculture
  • Logistics
  • Sports and fitness
  • Food and beverage
  • Energy and utilities
  • Automotive and transportation

Benefits of cooperation with our mobile app development company

Comprehensive in-house services

Broad technological expertise

Top-tier tech talents

Award-winning partnerships

On-time, on-budget delivery

Stable teams for long-term success

Success stories

Join our growing list of 200+ satisfied clients

Partner with Relevant to create custom mobile app solutions that boost efficiency, streamline processes, and drive growth.

Let’s collaborate!

Our core tech stack

Backend

  • Node.JS
    Node.JS
  • Nest.JS
    Nest.JS
  • Salesforce
    Salesforce
  • Java
    Java
  • Python
    Python
  • .NET
    .NET
  • PHP
    PHP
  • TypeScript
    TypeScript

Mobile

  • Swift
    Swift
  • Kotlin
    Kotlin
  • React Native
    React Native

Frontend

  • Vue.JS
    Vue.JS
  • React
    React
  • Next.JS
    Next.JS
  • TypeScript
    TypeScript
  • angular
    Angular

Cloud

  • GCP
    GCP
  • Azure
    Azure
  • AWS
    AWS
  • Vercel
    Vercel

What clients are saying about Relevant

4.9 is our Clutch
average

Our mobile app development roadmap

  1. Discovery and requirements gathering
    01
    Discovery and requirements gathering

    We validate your app idea with thorough market and user research, defining a clear roadmap. This process ensures alignment with business goals and user needs.

  2. Security and regulatory planning
    02
    Security and regulatory planning

    We establish tailored security measures and compliance protocols that safeguard data privacy and meet industry regulations.

  3. Architecture and design
    03
    Architecture and design

    We create a scalable architecture and intuitive user interface, with each component crafted to support core functions and elevate user experience.

  4. Prototyping and PoC development
    04
    Prototyping and PoC development

    We create prototypes and proof of concept to test essential features and usability, using feedback to refine the app’s design and functionality.

  5. Development and integration
    05
    Development and integration

    We implement core features and integrate third-party systems with a focus on performance, stability, and compatibility.

  6. Testing and quality assurance
    06
    Testing and quality assurance

    We conduct comprehensive tests across devices to verify performance, security, and functionality, resolving any issues for a reliable user experience.

  7. Deployment and scaling
    07
    Deployment and scaling

    We deploy the app on target platforms with optimized server capacity, ensuring smooth scale-up to meet rising user demands.

  8. Support and maintenance
    08
    Support and maintenance

    We provide ongoing support, resolve bugs, and apply updates. This helps us enhance app performance and security to maintain seamless operations.

Insights from our experts

























Questions you may have

What kinds of mobile apps can you create?
How do you make sure the app aligns with our business objectives?
What security measures do you put in place to safeguard app data?
Can you handle app maintenance and updates post-launch?
How long does it typically take to develop a mobile app?

Let’s talk about your project

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