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Last updated 18 December, 2024

Best Mobile App Development Companies in California

Mobile App Developers in California

Are you searching for the leading mobile app development company in California? You must have done your research and found a few companies, but we were hoping you could wait until you explore the list we have analyzed and selected for you. TopDevelopers.co is the only reliable platform that not only lists companies when they meet our parameters but also gives 100% freedom to businesses to choose their desired agencies. We analyze hundreds of app development companies (who apply for listing on this platform) but select only those our experts find reliable with excellent expertise and skills in modern technologies and a good portfolio range. We also verify testimonials and reviews given by genuine clients, and based on that, we rank them on our platform. So, whether you want to hire Android developers, iOS developers, or hybrid developers from California, the list brings you all in one place. Just select them and discuss your projects as the rest of the things we have done for you.

List of Top-Rated Mobile App Development Companies in California

532 Companies | Last Updated 20 December, 2024

Prismetric

(28 Reviews)

Delivering Quality Products and Premium Services

Prismetric is an ISO certified mobile app development company providing the most advanced services including Product strategy, Mobile app consultancy, MVP development, App design, App integration, Testing…Explore the detailed profile of Prismetric

Jye

Thank you team Prismetric!

  • 51 to 250

  • Up to $25

  • $5001 - $10000

  • California, USA

With close to one and a half decades of experience in the IT sector, Prismetric houses more than 1000 solutions in its bag. With 100+ developers and clientele spanning more than 25 countries, Prismetric, an ISO 9001:2015 company, has been a preferred outsourcing destination for mobile app development for SMEs and enterprises of all sizes and kinds.

Clients

  • GLYD
  • Yeeb
  • Macy
  • ipointTV
  • Today publications

Clients commend Prismetric for its collaborative approach and secure mobile app development practices to render quality projects based on native and cross-platform technologies.

  • Clients praise Prismetric for its agile development approach rendering pitch-perfect mobile app solutions.
  • Prismetric excels in cloud-based infrastructure. With an amazing team of developers, they utilize scalable backend architecture.
  • Good value for money, positive people, and fantastic communication – their pillars as reflected in clients’ reviews.
Erbis

(3 Reviews)

Expert development. Expert delivery.

Erbis is an app development firm that focuses on building cloud-native products for Saas companies. From an idea to a market-ready solution– we provide full-cycle mobile app development complimenting…Explore the detailed profile of Erbis

Anonymous

Highly satisfied!

  • 51 to 250

  • $26 - $50

  • $10001 - $25000

  • California, USA

Phenomenon Studio

(12 Reviews)

Fueling business growth with data-driven digital products

Phenomenon is a product design and development company focused on data-driven solutions and business-oriented digital outputs. We collaborate with clients across different project phases, specializing…Explore the detailed profile of Phenomenon Studio

Rachita

A professional partner that is wide open to changes.

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

Siddhi Infosoft

(3 Reviews)

500+ Clients From Startups to Fortune 500 Enterprises

Since 2011, Siddhi Infosoft is a leading Web and Mobile app development company in the USA, UK and, Canada for providing IT solutions to every industry sector out there. Our web and…Explore the detailed profile of Siddhi Infosoft

J

I cannot think about a company other than them

  • 11 to 50

  • $26 - $50

  • $5001 - $10000

  • California, USA

Matellio Inc.

(15 Reviews)

Navigating Ideas

Matellio Inc. is a reputed mobile app development agency helping clients deliver exceptional user experiences and services across various devices and platforms. We help you expand your business reach…Explore the detailed profile of Matellio Inc.

Wei

They were very professional and cooperative.

  • 51 to 250

  • $51 - $100

  • -

  • California, USA

  • With a strong custom app development track record, Matellio Inc. is the top-rated agency for end-to-end app development.
  • 250+ expert developers, 500+ projects delivered and five global offices.
  • Good expertise in various app development technologies, including native development, such as Java, Android Studio, Kotlin for Android and Swift, Objective C for iOS, and potentially cross-platform frameworks.
  • They have expertise in perfecting solutions on the top of Artificial Intelligence, Machine Learning, Mixed Learning, RPA, Conversational AI, and more.
  • Good experience working with various industries,  including finance, healthcare, retail, and travel.

Clients

  • Forseti
  • Ostrij
  • NockI
  • PracticeBuilder
  • Successful delivery of complex projects
  • Exceeding expectations in terms of quality and functionality
  • Expert development team with outstanding skills and professionalism
  • Able to handle complex mobile app development tasks
  • Clear communication throughout the development process
  • Utilizing a collaborative and partnership-oriented approach
  • Flexible to adapt to client needs and requests
  • Lauded for meeting experiences and aligning with their vision 
Tvisha Technologies Pvt Ltd

Top Mobile app development company in India and USA

TVISHA TECHNOLOGIES PVT LTD (TTPL) is a fast-track IT solutions provider powered with a perfect balance of technology innovation, mobile app designing-development, and premier Digital Marketing solutions.…Explore the detailed profile of Tvisha Technologies Pvt Ltd

Niya

Mobile application for our Retail Industry

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

Mobulous Technologies

(2 Reviews)

We Build your Next Generation App

We, Mobulous, are the top rated mobile app developers having 10 years + expertise in creating innovative and out of the box native applications. With over 500+ native android and iOS apps developed, our…Explore the detailed profile of Mobulous Technologies

Somya

Thank you for the amazing work!

  • 51 to 250

  • Up to $25

  • Less than - $5000

  • California, USA

Consagous Technologies LLC

Innovate. Integrate. Inspire

Founded in 2008, Consagous Technologies stands as an end-to-end provider of sophisticated IT solutions that are customized as per requirements and deliver maximum value and scalability across the technology…Explore the detailed profile of Consagous Technologies LLC

Ahmed

Korah (ball) mobile apps

  • 51 to 250

  • $26 - $50

  • Less than - $5000

  • California, USA

TechnoScore

(5 Reviews)

Smart Business Solutionswith Intelligence

TechnoScore is a leading mobile, web, and software design and development company offering full-cycle app and web development services to diverse enterprises across various industry domains for over twenty…Explore the detailed profile of TechnoScore

Sarah

A blend of skill and expertise!

  • 51 to 250

  • Up to $25

  • Less than - $5000

  • California, USA

Diffco

(9 Reviews)

​​Your trusted partner for software development and

Diffco is a global software development and team augmentation company based in Silicon Valley. With over 16 years of experience delivering robust software solutions in mobile, web, and AI development,…Explore the detailed profile of Diffco

Mason

Their unique combination of creativity and technical expertise exceeded our vision!

  • 11 to 50

  • $51 - $100

  • $25001 - $50000

  • California, USA

Seasia Infotech

(1 Reviews)

A CMMI Level 5 Company

Seasia Infotech proudly serves as an app development service provider that delivers strategically designed mobile app development services to propel your business. Our proficiency in diverse technologies…Explore the detailed profile of Seasia Infotech

Shelly

They’re excellent programmers and know how to come up with innovative solutions that meet our ultimate goals.

  • 251 to 1000

  • Up to $25

  • Less than - $5000

  • California, USA

Travancore Analytics

(12 Reviews)

Innovation Beyond Digital

Travancore Analytics is a global IT company in California providing services in Mobile and Web App Development with cloud-capable solutions, AR VR development, Data Analytics and Business Intelligence,…Explore the detailed profile of Travancore Analytics

Tyler

Thank you team Travancore for bringing up my idea into reality!

  • 51 to 250

  • $26 - $50

  • $25001 - $50000

  • California, USA

CMARIX

(9 Reviews)

Envision • Leverage • Infinite

CMARIX is a leading technology outsourcing company. With a team of 228+ in-house experts, CMARIX is working with clients across 46 countries globally and have tailored 1100+ Web & 290+ Mobile applications…Explore the detailed profile of CMARIX

Tanya

I could always rely on CMARIX to be very timely in their response.

  • 51 to 250

  • Up to $25

  • Less than - $5000

  • California, USA

RipenApps Technologies

(16 Reviews)

Ripening Idea into Apps

RipenApps is a top-reviewed & globally renowned mobile app development company that provides consultancy, web & app development services to multi-level businesses, right from Entrepreneurs/Startups…Explore the detailed profile of RipenApps Technologies

Joel

Great experience working with them!

  • 51 to 250

  • Up to $25

  • $10001 - $25000

  • California, USA

Rootstrap has been featured in major publications and has garnered the attention of millions of users. With iterative design process and relentless focus on validation ensures that you avoid unnecessary…Explore the detailed profile of Rootstrap

SB

We never felt as two different teams but worked as one team

  • 51 to 250

  • $101 - $150

  • $50001 - $100000

  • California, USA

Offering services in 21 Top countries worldwide, Intellectsoft is the right choice for startups and SMEs. The company has good hands-on experience in Native, Hybrid, PWA, and Wearable app development…Explore the detailed profile of Intellectsoft

Anonymous

Their on time delivery makes them a excellent choice!

  • 51 to 250

  • $51 - $100

  • $25001 - $50000

  • California, USA

Clients

  • UNIVERSAL
  • NHS
  • Nestle
  • JAGUAR
  • WALTDISNEY

Known for productivity and cost efficiency, Intellectsoft has much appreciation from clients worldwide. The firm has received 5-star ratings from 90% of its clients and is appreciated for its dedication, research, outstanding listening skills, and more. We have summarized some of the testimonials.

  • Received appreciation for better project management, prompt action on feedback, and expert support for post-development concerns Better expertise, work on stricter deadlines, seamless collaboration
  • 15% increase in KPI, an app developed by the firm that works better among customers
  • High-quality app development and design work
  • Applauded for insightful ideas, quick response time, and scalability 
Magneto IT Solutions

(31 Reviews)

IF YOU CAN IMAGINE IT, WE CAN DEVELOP IT

Magneto IT solutions is a well established and award winning B2C and B2B eCommerce agency founded in 2009. Our core competencies lie in developing market-leading end-to-end B2C, B2B eCommerce solutions…Explore the detailed profile of Magneto IT Solutions

Ekta

FOODITTER

  • 51 to 250

  • $26 - $50

  • Less than - $5000

  • California, USA

Sunlight Media LLC

Award wining digital marketing services since 2011.

Sunlight Media is a renowned website and mobile app development firm located in downtown Los Angeles. The company's services include web design, mobile app development, graphic design, and digital…Explore the detailed profile of Sunlight Media LLC

  • 2 to 10

  • $51 - $100

  • Less than - $5000

  • California, USA

VentureDive

(2 Reviews)

Innovating to improve lives

An award-winning data & AI company dedicated to transforming lives globally through cutting-edge technology solutions. Since its inception in 2012, VentureDive has catalyzed the success of two…Explore the detailed profile of VentureDive

Anonymous

Attentive and collaborative team!

  • 251 to 1000

  • $51 - $100

  • $10001 - $25000

  • California, USA

Atta Systems

(2 Reviews)

Build impactful software products with us

We work with innovative VC-backed startups as well as established companies in Healthcare, Education, Finance, and Government&Adminsitration. With offices in Singapore and Bucharest, Romania,…Explore the detailed profile of Atta Systems

Mircea

Our active users have increased significantly.

  • 11 to 50

  • $51 - $100

  • $25001 - $50000

  • California, USA

SayOne is a fast growing Information Technology and Digital services company headquartered in India. We help our clients to become future ready by harnessing the power of new and emerging technologies.…Explore the detailed profile of SayOne Technologies

  • 51 to 250

  • $26 - $50

  • Less than - $5000

  • California, USA

Ojas is a Cost Effective IT Services Company with 8 years of rich experience in serving its customers with an excellent team IT Professionals. Ojas is one of the fastest growing companies in India providing…Explore the detailed profile of Ojas Innovative Technologies

  • 251 to 1000

  • Up to $25

  • Less than - $5000

  • California, USA

Vipra

Your Partner From Creation to Promotion

We stand apart from other agencies and web studios. We offer a wide array of creative and strategic services for brands, companies, foundations, and other remarkable organizations. We assist and educate…Explore the detailed profile of Vipra

  • 51 to 250

  • Up to $25

  • Less than - $5000

  • California, USA

Innofied

Expect A 5 Stars Customer Experience!

Innofied is an Award-Winning Technology Company delivering End-to-end products for the last 10 years to numerous Startups, SMEs and Multi-Billion Dollar Companies. Our clients include Google, Best Buy,…Explore the detailed profile of Innofied

  • 51 to 250

  • $26 - $50

  • $5001 - $10000

  • California, USA

We here at MoveoApps tumble out of our beds in the morning thinking what amazing app will we be building today. What can we say, we love apps. So we build the best apps, with breathtaking design and impeccable…Explore the detailed profile of MoveoApps

  • 11 to 50

  • Up to $25

  • Less than - $5000

  • California, USA

Frequently Asked Questions

Mobile app development companies in California provide a wide range of services to help businesses build, launch, and maintain mobile applications. Key services include:

Custom Mobile App Development: Whether it's for iOS, Android, or both, developers specialize in building apps tailored to your specific needs.

UI/UX Design: These companies focus on creating user-friendly interfaces that ensure a seamless experience for your app users.

App Testing and Quality Assurance: Developers perform rigorous testing to ensure your app is bug-free, secure, and runs smoothly across all devices.

App Maintenance and Support: After launch, developers offer ongoing support and updates to fix bugs, add new features, and ensure your app remains functional as technology evolves.

App Integration Services: Many development companies offer integration with third-party services, databases, and existing software systems to enhance app functionality.

App Consulting: Some developers provide consultation services to help businesses define the scope of their app project, choose the right technology stack, and map out the development process.

Cloud-Based Solutions: To ensure scalability, many companies offer cloud integration, enabling apps to store and manage data effectively as user bases grow.

To hire the right mobile app development company in California, you can follow the steps given here;

  • Know your requirements, budget, goals, and team you need
  • Find relevant companies from TopDevelopers.co or other listing platforms or Google
  • Use the filter and choose mobile application development companies for the selected region based on different criteria such as costs, expertise, and technical skills
  • Check their portfolios and case studies
  • Ask the team and mobile developers to explain some of the work they do
  • Take interviews with developers
  • Know their expertise, skills, and communication skills
  • Explore if they have built a mobile app similar to yours
  • Check their engagement models
  • Check reviews and testimonials from clients on different sites about the company

Once you go through these details and find them satisfactory, you are good to go with hiring the mobile app development team or company.

Mobile app developers in California have a good knowledge and technical expertise required from app idea conceptualization to final development and deployment. The developers excel at robust coding, UI/UX designing, back-end development, quality testing, third-party integration, cyber security, and others. Furthermore, Californian app developers are well-versed in communication skills that helps them to understand project scope with ease and prepare solution required by their clientele.

It's anywhere between $25 - $150 per hour. Californian mobile app developers are talented in various technologies, and the cost of hiring them will depend on the type of developers you choose to hire. We have calculated the average cost to hire developers in California. Check them out;

Type of Mobile Developer Average Hourly Costs
Jr. iOS Developers $25 - $50
Jr. Android Developers $25 - $40+
Intermediate iOS Developer $45-60+
Intermediate Android Developer  $30 - $50+
Sr. iOS Developers $75+
Sr. Android Developers $60+

Based on the average calculation and estimation, you can hire developers from California for your projects.

The costs of developing a mobile app in California will be anywhere between $20,000 to $350,000+, depending on the type of application, developers’ experience, team size, app complexity, and more.

If you are developing a standard mobile application, you can calculate the hours it takes to develop a standard application. Here's the average cost for building mobile applications according to their type;

Mobile App Type Development Costs
Simple app $20,000 - $25,000
Medium complexity app $50,000 - $100,000
Complex app $100,000 to $350,000+

 

A good mobile development company in California has a business analysis team that carries out intensive research and analysis and creates effective mobile app launching strategies. It can be;

  • Researching the market
  • Selecting the right time
  • Choosing the right platform
  • Initiating the pre-launch marketing campaign
  • Creating app launching kit
  • Keeping a close watch on an app on the platform
  • Testing among real users before the final release
  • Create a smooth onboarding guide
  • Crate detailed documents
  • Creating user manuals (if required)

They are open to any communication channel that the client suggests, though they use Slack, Microsoft Teams, Skype, Zoom, etc., for internal and external communication. Apart from this, they also use Trello, Asana, and Ryver for other collaborations.

Do check with your development partner to ensure they are available on your preferred communication channel.

California-based mobile app development companies offer services across various industries, including healthcare, real estate, entertainment, gaming, food & beverages, hospitality, e-commerce, farming, finance, and banking. While these are common sectors, it's essential to consult with specific companies to discuss their expertise and experience in your particular industry.

Yes, they do. Californian mobile app developers and companies offer customized mobile app development solution that caters to your specific business and project needs. However, the quality outcomes will depend on the type of developers with specific skills, experience, and technical knowledge they possess. Hire the team after making an inquiry and checking if the team has relevant skills and experience to meet your project expectations.

Mobile app scalability is essential for businesses aiming to grow or expecting increased app usage over time. Californian mobile app developers integrate scalability strategies early in the development process to ensure apps can handle more users, additional features, and larger datasets without sacrificing performance. To achieve this, they focus on choosing the right technology stack, leveraging cloud infrastructure for dynamic scaling, implementing modular and microservices architecture, optimizing code for efficiency, and designing flexible user interfaces that can adapt to evolving requirements. Additionally, app developers monitor user behavior to make data-driven adjustments, ensuring the app stays efficient as it scales.

  • Utilize cloud infrastructure: Leveraging cloud platforms like AWS, Google Cloud, or Microsoft Azure enables apps to easily scale based on demand without needing physical infrastructure changes.
  • Implement modular architecture: They design apps with modular components, making it easier to add new features or update existing ones without disrupting the entire system.
  • Database optimization: Scalable apps often rely on databases like MongoDB or Cassandra, which support large data volumes and can be distributed across multiple servers.
  • Load balancing and microservices: Ensuring that the app can efficiently distribute traffic among servers prevents performance slowdowns as user traffic increases.

By focusing on these technical aspects, Californian mobile app developers ensure that your app can handle future user growth without compromising performance or stability.

Mobile app developers in California commonly use a variety of project management software like Asana, Jira, Trello, and slack to streamline workflows, improve collaboration, and ensure timely delivery. These tools are selected based on the specific needs of the project. Popular ones include:

  • Jira: Widely used for agile project management, Jira allows teams to track tasks, sprints, and deadlines efficiently.
  • Trello: Known for its simplicity, Trello is used by smaller teams to organize tasks visually through boards and lists.
  • Asana: Ideal for teams that need to manage complex projects with multiple tasks and dependencies, Asana offers an intuitive interface for task tracking.
  • Slack: While primarily a communication tool, Slack integrates with other project management software to keep teams updated on task progress.

These tools help developers coordinate with clients, manage tasks, and deliver high-quality apps within set timelines.

Yes, most mobile app development companies in California offer integration services to ensure your new app works seamlessly with existing systems. Whether it’s a CRM, ERP, or other third-party software, developers prioritize making sure that your app can communicate efficiently with your current infrastructure.

API Development: App developers build and customize APIs that connect your app with databases, cloud services, or other software tools.

Third-Party Software Integration: Whether you use Salesforce, Microsoft Dynamics, or any other platform, developers ensure smooth interaction between your new app and these systems.

Custom Middleware: For complex integrations, developers may create middleware that allows different systems to communicate effectively without compromising performance.

By offering integration services, developers in California help businesses enhance productivity and streamline processes.

Yes, they do. Mobile app development companies in California provide services globally and work according to the client's time zone. In most cases, they have a dedicated mobile app development team who are available to address the client's grievances according to their time zones. Even if you want to hire dedicated Android or iOS developers for your projects, they are available according to your time zone. Confirm with your technology partner, as there may be some companies (particularly those who do not provide services globally) that may not offer time-zone flexibility.




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