Building for iPhone, iPad, or Apple Watch? Zentury Studio is a US-based iOS app development company with a track record of shipping polished, high-performance native apps that pass App Store review, earn strong ratings, and hold up under real-world use. We work in Swift, follow Apple’s Human Interface Guidelines, and never cut corners on performance or security.
From your first concept to your first five-star App Store review, we handle every phase of iOS development with the depth and attention to detail that Apple’s platform demands.
We start every iOS project with an in-depth discovery session — mapping your user goals, defining your feature set, and scoping a realistic roadmap. You'll leave with a clear picture of what we're building, how long it'll take, and what it'll cost.
Apple users have high standards — and we design to meet them. Our iOS designers build interfaces that follow Apple's Human Interface Guidelines while adding the visual identity that makes your brand stand out. Every screen is prototyped, tested, and refined before development begins.
We build in Swift using Xcode, Core Data, UIKit, and SwiftUI — giving your app the performance, security, and platform integration that only native development delivers. Whether it's an iPhone app, iPad app, or Apple Watch experience, we build it right.
We run your app through comprehensive testing before submission — device compatibility across the full iPhone and iPad lineup, iOS version testing, performance benchmarking, and security audits. We aim for first-submission App Store approval.
Running an older iOS app that needs modernizing? We migrate legacy Objective-C codebases to Swift, upgrade UI components to SwiftUI, and ensure your app is compatible with the latest iOS release — without breaking what's already working.
We design and optimize your app to deliver a consistent, high-quality experience across every Apple device it touches — iPhone, iPad, Apple Watch, and Apple TV — with adaptive layouts and device-specific features handled properly.
Our in-house, expert iOS app developers help businesses BRIDGE (Build, Review, Integrate, Deliver, Grow, and Evaluate) modern customer engagement needs with purpose-driven iOS application development services.
Our developers specialize in implementing Core Data for efficient data storage and retrieval to make sure smooth performance and reliable data management across all iOS applications, tailored to complex business needs.
Our iPhone app development services include seamless integration of third-party APIs, enhancing app functionality and user experience. We ensure secure, efficient connections to external services using advanced techniques and best practices.
Our iOS development services include scalable cloud integration using iCloud and third-party services like AWS and Firebase, ensuring seamless data synchronization and robust backend support for your app.
Access the novel toolkit for full-stack iOS application development. Combined with proficient iOS app development solutions, we help businesses build stellar apps that are intuitive at the front-end and extensible at the back-end – which also means a quick, high-fidelity MVP with adequate room for future scalability.
Thriving on accelerating the path to disruption and value creation in all directions has enabled us to receive acknowledgment and recognition by leading ratings and review platforms.
Our iOS development process is agile, transparent, and designed around the reality that Apple’s platform has specific requirements at every stage — from design guidelines to App Store review. We’ve done this enough times to know exactly what it takes.
We define your goals, target users, and Apple platform strategy.
Swift, SwiftUI, UIKit, Xcode — we pick the right combination for your app.
HIG-compliant, user-tested UI/UX design across all target Apple devices.
Native Swift development in agile sprints with bi-weekly demos.
Device compatibility, performance, and App Store submission readiness testing.
Tell us about your project. We'll come back with a clear scope, timeline, and quote — no fluff, no obligations.
Tell us about your project. We’ll come back with a clear scope, timeline, and quote — no fluff, no obligations.
We’ve built iOS apps for businesses across healthcare, fintech, e-commerce, education, and more. We understand the industry-specific design patterns, compliance requirements, and user expectations that define what good looks like in your space
Not all iOS development shops are the same. What sets Zentury apart is the depth of our platform knowledge and the discipline of our process. Our iOS engineers are specialists — they know Swift inside and out, they’ve navigated App Store rejections so you don’t have to, and they build architectures that your app can grow on for years. We work in tight agile sprints, give you working demos every two weeks, and maintain full code ownership transparency so you always know what’s been built. We target first-submission App Store approval on every project. And post-launch, we stay on — monitoring performance, responding to OS updates, and shipping improvements on your schedule.
We build iOS apps with the capabilities that drive real engagement and business results
iCloud sync, AWS integration, and Firebase backends — your app's data is always available, always backed up, and always fast.
Core ML and Create ML let us embed intelligent features directly into your iOS app — personalization, image recognition, NLP, and predictive analytics — without a cloud round-trip.
We build iOS apps that take full advantage of 5G speeds and connect to IoT devices via Bluetooth, NFC, and HomeKit — for smart home, health tech, and industrial use cases.
Apple's ARKit gives us access to world-class augmented reality capabilities. We build AR features that enhance how users interact with products, spaces, and information — in retail, real estate, education, and beyond.
A native iOS app gives you a direct channel to Apple’s ecosystem — and the business advantages that come with it.
iOS users spend more in apps, engage more deeply with brands, and are statistically more likely to be high-value customers. A native iOS app puts you in front of that audience.
A polished, reliable iOS app becomes part of your customers' daily routine. Done right, it's one of the most powerful brand touchpoints you can own.
Apple Pay, StoreKit, and seamless in-app purchase flows mean less friction at checkout and more revenue per user.
Push notifications, in-app messaging, and personalized content — iOS gives you the tools to stay relevant without being intrusive.
iPhone, iPad, Apple Watch, Apple TV — a well-built iOS app can extend across Apple's entire ecosystem, multiplying your touchpoints without multiplying your development cost.
We architect iOS apps with modularity and scalability in mind — so adding users, features, or new markets doesn't mean starting over.
Our clients come to us with ideas and leave with apps they’re genuinely proud of. Here’s what they say about the experience.
As the founder of Guardian Angel, I had a vision to create an app that would notify family members immediately in the event of an accident. When I decided to bring this idea to life, TekRevol stood out among other development companies. Their team instantly connected with my vision and showed a genuine passion for creating apps that improve lives.
As the founder of Guardian Angel, I had a vision to create an app that would notify family members immediately in the event of an accident. When I decided to bring this idea to life, TekRevol stood out among other development companies. Their team instantly connected with my vision and showed a genuine passion for creating apps that improve lives.
As the founder of Guardian Angel, I had a vision to create an app that would notify family members immediately in the event of an accident. When I decided to bring this idea to life, TekRevol stood out among other development companies. Their team instantly connected with my vision and showed a genuine passion for creating apps that improve lives.
As the founder of Guardian Angel, I had a vision to create an app that would notify family members immediately in the event of an accident. When I decided to bring this idea to life, TekRevol stood out among other development companies. Their team instantly connected with my vision and showed a genuine passion for creating apps that improve lives.
We primarily develop in Swift — Apple’s modern, fast, and safe programming language. For legacy projects or specific use cases, we also work in Objective-C. We use SwiftUI for modern interface development and UIKit where broader device compatibility is required.
A focused MVP typically takes 10–14 weeks from kickoff to App Store submission. More complex applications with custom backends, integrations, or advanced features take 4–6 months. We scope every project individually and give you a detailed timeline upfront.
Yes — we design and develop with the full Apple device family in mind. Whether you need iPhone-only, universal iOS (iPhone + iPad), or an Apple Watch companion app, we scope and build for all the surfaces your users are on.
Absolutely. We take on iOS modernization projects regularly — migrating Objective-C to Swift, updating UI to SwiftUI, adding new features, or rebuilding from scratch when the existing codebase is beyond saving. We’ll audit your current app and give you an honest recommendation.
Ready to build your iOS app? Reach out with your idea — we’ll give you an honest assessment and a clear path forward.
5900 Balcones Drive STE 100 Austin, Texas 78731