Mobile App Development Los Angeles

We Craft Top-notch

End-to-end mobile app development Company Los Angeles for consumer-facing and corporate environments.

Mobile Consulting

Ontrix provides professional mobile consulting and business assessment to analyze your needs and elicit requirements, define and prioritize features, as well as plan out the solution architecture, and perform usability testing.


Ontrix designs and develops iPhone and iPad apps with a focus on user experience, functional design, and codebase performance. We deliver across various domains and mobile use cases, maintaining industry leadership

Android APP

Ontrix designs and develops custom apps from the ground up, taking advantage of all the features that make Android the world’s most popular mobile platform.

Mobile Process

When you sign on with Ontrix’s custom mobile application development services, you’re signing on with professionals who know how to deliver what you need.

IOS & Android App Consulting in Los Angeles.

At Ontrix, we believe that only those who gain practical success have the right to advise. We know that professional mobile app consultants must carry a wealth of hands-on experience in business and industry specifics to provide competent assistance.

Standing by our word, we tap into 14 years of industry-rich expertise as a mobile app development company in Los Angeles. With our experience in mobile application development to guides and aid businesses in their mobile initiatives. Our mobile app consulting includes device compatibility research, MVP and PoC development, features or usability improvement of existing mobility solutions, as well as an implementation of new app concepts from scratch.

Mobile Consulting Services

IOS Apps We Develop

Our expert developers are up to date with the latest requirements and guidelines, vital for professional iOS app development services, as well as address significant challenges, including:

  • Cross-device compatibility,
  • Performance and memory limitations,
  • Battery consumption,
  • Network speed, etc.

Our team ensures all challenges are adequately solved and delivers only error-free mobile solutions that can smoothly operate on iPhones and iPads, regardless of device specifications or the iOS version installed.


Diverse enterprise mobile apps for internal use of a company’s managers and employees, who work in-house or in the field.


All types of high-quality customer apps that will bring your brand exposure and profit.

IOS App UI/UX Design

When it comes to visual design, Ontrix is always on the same page with Apple. That is why it’s easy for us to meet their expectations. With UIKit, our mobile app designers create every app’s interface in compliance with Apple’s UI standards.

Transparent interaction patterns in our iOS apps guarantee a seamless user experience. To put users in complete control of an app, Ontrix’s designers tune-up navigation, feedback, authentication, as well as other UX functionalities until interacting with the app feels as effortless.

Android App Development in Los Angeles.

The rapidly expanding Android user community reports 1.5+ million Android-powered devices are being activated every day. Ontrix’s team will help you access this audience, create a highly personalized Android application and facilitate your business.

Android App Solutions

Android mobile solutions developed by Ontrix serve a vast number of industries. We develop custom Android apps with clean code and engaging UX/UI to win your customers.

Line-Of-Business Apps

Ontrix helps you improve your business by supporting current mission-critical desktop or web software with new custom-tailored Android mobile apps. This way you can continue using previous investments while maximizing reach and increasing workforce productivity.


Our expert engineers enable businesses to sell goods and services through custom eCommerce apps, grasping the power of Android Pay API. Be it a storefront for retail or online eCommerce operations, we can help you make a vital shift to Android and see lucrative profits in the short term.

Utility Apps

Ontrix builds sophisticated utility apps that help Android devices reach their highest potential and make everyday routines easy and manageable. We can help your business amplify its functional capabilities, productivity, and performance, whether you want to add more features to an existing application or build a completely new custom utility app.


Ontrix has the technical expertise to develop unique and memorable Android-based games with complex game mechanics and realistic physics with gravity, elasticity, and fragility. We utilize Play Games SDK to integrate popular gaming features such as achievements, leaderboards, and real-time multiplayer in your tablet and mobile games.

We Do Not Just Build Apps. We Craft Top-notch Mobile Experiences

End-to-end mobile application development for consumer-facing and corporate environments.

Contact Us

Mobile App Development Lifecycle

Simple as that, we help companies launch apps faster than ever, while ensuring consistent value at every step of the app development lifecycle:

We help businesses with the conceptual side of things, offering consulting on product strategy, use cases, branding and much more.

From wireframing to high-resolution, Retina-ready designs, we construct visually compelling interfaces and bring to cutting-edge user experiences.

We make the powerful features of Objective-C and Swift blossom at the client side of your project. While taking care of the underlying back-end services.

Integrate your application with existing data and apps, 3rd-party services and data sources; enable users to make secure purchases directly from the app.

Performance, stability and usability make or break your app. Ontrix embeds the full range of testing services into the development cycle, covering all requested iPhone & iPad and android devices.

We guarantee full compliance with Apple and android guidelines and a smooth submission process, helping you navigate the post-submission nuances of the App Store and Playstore.

When your app is published or deployed, you are not done yet. Benefit from professional maintenance, support and optimization services to ensure your app is never off the race track.

Our Mobile Work

Reach out for our professional mobile services and let Ontrix make your mobile project a success.

Collective Approach
Inventory Tracking
Financial Planning
Building | Ontrix

Curious about what it’s like to work with Ontrix?

Hear from clients that partnered with Ontrix for software development, web design, search engine optimization (SEO), pay-per-click (PPC) advertising, social media, and other internet marketing app development services to learn what it’s like to have our team on yours.

– P Jeff Voll

I have worked with Nes and Ontrix for well over 15 years. I remember when they were just starting out like my business. Over the years Nes and his team have built, customized, hosted and made my legal business flourish with their outstanding custom websites and on line platforms. I highly recommend for all of your business and personal website needs.
Read More

– Susanna Goltche

I highly recommend ONTRIX! They are the most kind, patient, and hard working people. I always get great service AND MY FINAL project turned out fantastic. I am very happy and satisfied with my website, NOW. I highly recommend their services for others.
Read More

Want To Talk About A Mobile App  Idea?

Drop us a line to learn more about our competencies in your industry, consult with our professionals regarding your mobile app development needs or request our mobile services right away.

    This is not a valid name

    This is not a valid phone

    This is not a valid email
    Please prove you are human by selecting the Truck.

    Since 2003 Helping Small Businesses

    Power Your Business To New Heights

    Our Los Angeles web design agency team is made up of expert marketers, designers, and developers, and we know what it takes to get real results online

    Speak with a strategist

    Google Partner | Ontrix Google Cloud | Ontrix Rackspace hosting | Ontrix Amazon Services | Ontrix Yext | Ontrix Facebook | Ontrix Bing | Ontrix Designrush | Ontrix
    youtube' twitter pinterest linkedin-letters call phone-call maps-and-flags closed-emailblack arrow-right time2 arrow-down arrow-up target arrow-right2 arrow-left music-player-play location-pin-outline mark-as-favorite-star group-1 group five-stars checked creativity controls quote smartphone-call menu-three-lines cross-mark email right-quotation-mark chat-bubbles about whatsapp google cart creativity035 - Creative ThinkingCreated with Sketch. layout search consulting technical-support process app-development apple android enterprise webportal ecommerce business-solution b2b b2c line-of-business utility-app gaming add substract calendar computer team cube computer-1 social-media globe teamwork engineering touch subscription start-up user user-1 analysis requirement design-software online-tracking maintenance b2c optimization smartphone competition profit coupon research impression workplace browser speedometer mobile-friendly planning-strategy web-design website link analysis responsive-design google cms instagram book sand-clock group video-camera levels email online-advertising chat shield wordpress backup-copy handshake save-money checked-1