Mobile App Development Company California:

Reliable App Developers in California

California-based app development business that creates intelligent applications with an emphasis on results. We are ready to start working on the native or hybrid mobile apps of your dreams.

Trusted By 650+ Happy Clients, Including Fortune Companies

What Our Clients Say

Awards and Accolades

Globally Serving Mobile App Development Company Located in California

With professionals ready to assist customers day and night, we have been the industry leader in promptly providing top-notch mobile app development services at a reasonable cost.

iPhone App Development

We can provide fully functional, reliable, and scalable mobile app solutions since we have the experience and knowledge all under one roof. We use CocoaPods, RxSwift, SwiftLint, SwiftUI, Objective-C, and Swift for the design and development of our apps.

Android App Development

We use cutting-edge technologies to assist firms in establishing their presence on contemporary platforms and gadgets. Our California app developers have a track record of creating powerful mobile applications.

IoT App Development

Our IoT app development creates several chances and possibilities to lower business expenses and boost productivity. We concentrate on offering end consumers a single, unified platform to handle several devices.

Blockchain App Development

For customers across the world, our app developers in California create and construct blockchain mobile apps that are 100% safe. Apps built on blockchain technology may handle thousands of transactions per second.

Crypto Wallet App Development

With the simple of QR code scanners, you can improve the transactional experience for your consumers. Additionally, users can exchange currencies, and transactions are kept secure thanks to private critical accessibility.

AR VR Software

AR and VR provide smartphone applications with a more immersive feel. Profit from the potential of AR and VR apps to serve the world. Participating in the "try-before-you-buy" idea in retail and e-commerce sites broadens the client base.

NFT App with White Label

The pre-made, ready-to-launch white-label NFT software makes it simple and easy for NFT traders and collectors to exchange NFT memorabilia. Launch your NFT marketplace by getting in touch with our specialists.

Clone App Development

Work with the top mobile app development firm in California for your organization to create copies of well-known applications. We are a one-stop solution for all your clone app creation requirements to significantly increase your returns on investment.

Looking For A Mobile App Development Company in California For Your Next Business Venture?

California-Based Mobile App Development Company

Located in California, USA, USM Business Systems is a top developer of custom mobile applications. We have become one of the fastest-growing tech firms in California, specializing in software development and mobile applications, using our thirty years of expertise in designing and developing high-quality, flawless software and mobile apps.

We are specialists in offering businesses and entrepreneurs high-performing and scalable mobile app development services. We provide cross-platform and native iOS and Android app development services.

We've worked on every phase of the mobile app development lifecycle with some degree of practical expertise. The USM team collaborates with customers throughout the app development process, from ideation, wireframing, and prototype design to development, deployment, and maintenance, to guarantee that the app meets their goals and expectations.

USM is at the forefront of innovation, creating mobile app solutions that cater to the specific requirements of our client companies. Our team of professional mobile app developers uses cutting-edge tools and technology such as Artificial Intelligence, Machine Learning, and Natural Language Processing to create cutting-edge Android and iOS applications that accelerate the development of your company.

2500 +

Successful Projects

13 +

Years in Business

650 +

Happy Customers

50 +

Team Members

Our Complete Suite of Mobile App Development Services in California

Our full suite of services is not limited to just development but beyond that. Here’s what we have to offer you:

App Development

  • Android App Development
  • iOS App Development
  • Cross-platform App Development
  • MVP Development
  • UI/UX Design

Staff Augmentation

  • Hire Android Developer
  • Hire iOS Developer
  • Hire React.js Developer
  • Hire Laravel Developer
  • Hire Flutter Developer

Digital Marketing & App Store Optimization

  • Marketing Strategies
  • Search Engine Optimization (SEO)
  • Social Media Optimization (SMO)
  • App Store Optimization (ASO)

Maintenance Services

  • Updates & Upgrades
  • App Maintenance
  • Feedback Integration
  • Bug Fixes

Why Select Mtoag Technologies as Your Development Partner for Mobile Apps?

As tech enthusiasts, we transform creative concepts into valuable tools that meet the demands of our clients. We provide mobile app development services in Los Angeles and can handle any issue because of our knowledge, experience, and ethics.

Elite Talent

With decades of expertise, our unwavering quest for perfection drives us to create cutting-edge mobile app development solutions for various sectors.

Adaptable Models of Engagement

We provide many engagement options that precisely match our customers' needs.

Innovative Minds

When the conventional methods fail to provide results, we continually look for fresh solutions to tackle the challenges.

Round-the-clock Assistance

Being one of the top mobile app development companies in Los Angeles, we make sure that customers are paired with the appropriate team and have their problems solved quickly.

Want to Hire Mobile App developers for your Project ?

Take a Look at Our Portfolio and Discover App Ideas Brought to Life

We Don't Just Use Technology; We Live It! Our dedicated team of experts creates innovative mobile app solutions that empower businesses and transform ideas into reality. Check out our portfolio and experience the difference between working with a team that truly understands and embraces the power of technology.

Industries We Serve

Our Methodology for Developing Mobile Apps

As one of the top developers of bespoke mobile apps in California, we are dedicated to providing top-notch programs for iOS and Android operating systems. We combine your app concept with our experience in application development to create applications jam-packed with essential features and customer requirements.


Acquisition of Requirements

We primarily gather the needs of the customer or user at this stage. Our professional business analysts will examine each need in the next phase. We analyze and then provide an app solution.


Design for UI/UX

The creation of the blueprint framework marks the start of this phase. We then proceed to wireframe each of the application's screens. Wireframing is finished, and then we design the UI/UX to provide a premium user experience.



The project is turned over to the development team after finishing the design phase. The development team will handle the coding portion of this phase. The work will be completed and given to the customer for input.



Our QA experts will handle the app's screening and testing, ensuring it is 100% bug-free before sending it to the customer for approval.



Your app project is now prepared for deployment on the client's server and in the iOS and Android app marketplaces. The creation of mobile apps is ready for usage in the actual world.


Upkeep and Assistance

Our mobile app development firm is passionate about maintenance and support. Our staff is ready to assist customers around the clock.


We Love to Listen to Your Requirements

+ 1 (856) 272-1112 (Call Us Now)

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