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Mobile App Development

Mobile apps that bring your vision to life

We design and build native and cross-platform apps for iOS and Android, from a first idea through App Store and Google Play launch. Intuitive design, solid engineering, and a fixed quote before we start.

iOS & Android Native or cross-platform Store launch handled

Get a free quote

Tell us about your app idea and we will reply within 24 business hours.

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We have your details and will come back with a fixed quote and a clear plan within 24 business hours.

What we build

Apps built for how people actually use their phone

Whatever kind of app you need, we design it around one job: keeping people engaged and coming back.

Native App Development

Swift for iOS, Kotlin for Android, built to feel exactly right on each platform and use its full capability.

Cross-Platform Development

React Native and Flutter apps that reach iOS and Android from one codebase, faster and for less.

eCommerce Apps

Secure checkout, product catalogs and order tracking, built for customers who shop from their phone.

Entertainment & Media Apps

Gaming, streaming and social features designed to hold attention and bring people back.

Custom Application Development

Apps built around your exact business process, not bent to fit a generic template.

App Maintenance & Support

Bug fixes, OS updates and new features, so your app keeps working as iOS and Android move on.

Getting to launch

We handle the whole road to the App Store and Google Play

Building the app is half the job. We also prepare your store listing, manage the submission, and handle the back and forth with Apple and Google review, so launch does not stall on paperwork.

  • Swift
  • Kotlin
  • React Native
  • Flutter
  • Push notifications
  • Store listing and screenshots prepared for you
  • App Store and Google Play review handled end to end
  • Push notifications and analytics wired in from day one
  • Kept current as new iOS and Android versions ship
Why OKS

Why clients choose us

Six reasons teams come to us for their app, and stay for the next one.

Expert team

Skilled iOS, Android and cross-platform developers with real production experience.

Timely delivery

We agree a timeline up front and keep to it, with regular updates along the way.

Latest technologies

Modern, well-supported frameworks and tools, so your app is easy to extend later.

Agile methodology

Short cycles with regular check-ins, so you see progress and can steer along the way.

Customized solutions

Every app is scoped around your goals, not squeezed into a one-size-fits-all template.

Cost-effective

One fixed quote before we start, built for real value rather than the lowest bid.

How it works

A streamlined process for every build

We follow the same four steps on every project, for quality, timeliness and fewer surprises.

  1. Planning & Analysis

    We understand your goals, your audience and your technical needs, then map a clear roadmap.

  2. Design & Prototyping

    Visually striking, user-friendly designs and clickable prototypes that capture your brand.

  3. Development & Testing

    Agile development with continuous QA, so the app is fast, secure and free of surprises.

  4. Deployment & Support

    A managed launch to the App Store and Google Play, then ongoing support after you go live.

Client words

What clients say about our apps

"I have worked with OKS Technologies on more than one app now, and every time they understand exactly what my business needs and deliver it."

Rick StaffordClient

"It was our first time choosing OKS Technologies for our enterprise application, and they built exactly what we asked for."

Lauren AaronClient

"I own a beauty and wellness brand and needed an app that resonated with my audience. OKS Technologies built something creative and genuinely functional."

Paula AndersonClient
Good to know

Mobile app development questions

Native (Swift for iOS, Kotlin for Android) gives the best performance and platform feel for demanding apps. Cross-platform, with React Native or Flutter, gets you to both iOS and Android faster and for less. We will recommend whichever fits your app and budget.

It depends on scope and platform choice. A focused app is usually a few thousand dollars; a larger app with backend, payments or real-time features costs more. You get one fixed quote after a scoping call.

A focused app is often ready in six to eight weeks. Larger apps with more features or a custom backend take longer, and we give you a real timeline after the planning stage.

Yes. We prepare your listing, handle the submission process, and manage the back and forth with Apple and Google review teams so your launch does not stall on paperwork.

We offer thirty days of free support after launch, then ongoing maintenance plans to fix bugs, keep the app working with new iOS and Android versions, and ship updates as you grow.

Ready to build the app your users will love?

Get a fixed quote within 24 business hours. See a few of our builds on the portfolio, or reach out on the contact page.