Top Mobile App Development Companies in California

Discover top mobile app development companies in California. Compare reviewed agencies, portfolios, pricing, and services to hire the best Mobile App Developers for your project.
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4.9 out of 5, based on 963 real reviews.
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List of the Best Mobile App Development Agencies and Mobile App Developers in California

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

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Perimattic
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Claimed by Official Representatives

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SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 10% Mobile App Development

  • 20% Software Development

  • 20% Web Development

  • 20% IT Services

  • 20% Digital Transformation

  • 10% Artificial Intelligence

Solutions That Drive Growth

Perimattic delivers production-ready AI solutions, cloud-native platforms, and full-stack applications that transform business goals into scalable digital products. Our expertise includes LLM applications, RAG systems, MLOps, SaaS platform engineering, and data pipelines, enabling businesses to innovate faster. We design secure, high-performance systems using modern technologies like Node.js, Python, React, Laravel, and cloud platforms (AWS, Azure), supported by CI/CD and cost-optimized DevOps practices. From MVP development to enterprise modernization, Perimattic focuses on speed, scalability, and measurable outcomes—reducing operational costs, accelerating releases, and delivering seamless user experiences for growing businesses.

View Perimattic Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

San Francisco, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
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Expertise Distribution (%)
  • 10% Mobile App Development

  • 25% Software Development

  • 20% Web Development

  • 20% Digital Marketing

  • 10% Business Services

  • 10% Web Design

  • 5% Artificial Intelligence

Processes in bits & bytes.

Founded in 2004, Avaib is a global technology and outsourcing company delivering scalable IT solutions and high-quality remote talent to businesses worldwide. We specialize in custom software development, web and mobile app development, cloud solutions, eCommerce consulting, and branding services tailored to diverse industries. Our comprehensive offerings include IT outsourcing, dedicated developers, virtual assistants, and BPO services such as data processing and business support. With a strong presence across the US, Canada, Europe, and Australia, we help organizations reduce costs, improve efficiency, and accelerate growth. Avaib combines technical expertise with a client-focused approach to deliver reliable, results-driven solutions. Whether building digital products, optimizing operations, or scaling teams, we empower SMEs and enterprises with flexible, future-ready services designed to enhance performance and drive long-term success.

View Avaib Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Albany, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Mobile App Development

  • 30% Web Development

  • 30% Web Design

  • 30% Artificial Intelligence

Let's work together to bring your ideas to life going beyond the digital limit!

Aspirity is a specialized web development agency helping B2B companies scale faster with dedicated, high-performing product teams. We rapidly assemble and onboard expert developers who integrate seamlessly into your workflow, ensuring fast, efficient delivery. Our core strength lies in front-end development, where we build complex, data-driven dashboards for SaaS and cloud-based platforms. Combined with strong UI/UX design and rapid prototyping, we create intuitive, scalable digital products. We operate with an agile, sprint-based approach, focusing on outcomes rather than hours. Our teams include developers, QA engineers, and project managers to ensure consistent quality and smooth delivery. At Aspirity, you gain a reliable technology partner committed to your product’s long-term success.

View Aspirity Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Palo Alto, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Mobile App Development

  • 10% Ecommerce Development

  • 10% Software Development

  • 10% Web Development

  • 10% Web Design

  • 10% IT Services

  • 10% Blockchain Development

  • 10% Internet of Things

  • 10% Artificial Intelligence

  • 10% Business Services

Where AI transforms ideas into intelligent, future-ready experiences

Asapp Studio is a digital product development company focused on creating engaging, user-centric applications that turn users into loyal customers. We specialize in building high-performance mobile apps (iOS and Android), web applications, and desktop solutions designed to deliver exceptional user experiences and measurable business results. Our approach combines UX/UI design expertise with strong engineering practices to craft intuitive, visually appealing, and scalable products. We go beyond functionality—focusing on user behavior, seamless interactions, and brand alignment to ensure your product stands out in competitive digital markets. From idea validation and product strategy to design, development, and launch, Asapp Studio provides end-to-end services tailored to your goals. We work closely with clients to understand their vision and translate it into impactful digital solutions that drive engagement and retention. With a commitment to quality, innovation, and collaboration, Asapp Studio acts as a true technology partner—helping businesses build memorable digital experiences that strengthen brand identity and support long-term growth.

View Asapp Studio Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Temecula, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Mobile App Development

  • 40% Web Development

  • 30% Digital Marketing

  • 10% Web Design

  • 10% Ecommerce Development

We design and build your digital vision

Falcon Marketing is a Los Angeles-based full-service online marketing and web development agency founded in 2012. The agency serves small and medium businesses across diverse industries, helping them expand their online presence, increase digital revenue, and build recognizable brands. Falcon's core capabilities include responsive web design, mobile app development for iOS and Android, custom software development, branding and logo design, search engine optimization, pay-per-click advertising, social media management, and conversion rate optimization. The agency is known for hiring specialized marketing and development professionals and maintaining high standards of craftsmanship. With over a decade of experience, Falcon Marketing prides itself on making client businesses household names through data-driven digital strategies.

View Falcon Marketing Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

North Hollywood, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Mobile App Development

  • 20% IT Services

  • 20% Digital Marketing

  • 10% Ecommerce Development

  • 10% Cloud Computing Services

  • 10% Software Development

  • 10% Web Development

  • 10% CMS

Your trusted partner for end-to-end software development solutions

Developers Dev is a large-scale software development and IT services company providing comprehensive digital solutions to businesses worldwide. With a team of thousands of developers, the firm offers services spanning custom software development, mobile app development, web development, UI/UX design, AI and machine learning integration, cloud computing, and IT staff augmentation. Developers Dev caters to startups and enterprises alike, delivering scalable and innovative technology solutions at competitive rates. The company emphasizes quality assurance, agile delivery methodologies, and dedicated project management to ensure on-time, on-budget delivery for clients across North America, Europe, and beyond.

View Developers Dev Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

1,000 - 9,999

Team size
Inside Service Listing

San Jose, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Mobile App Development

  • 20% IT Services

  • 20% Artificial Intelligence

  • 20% Cloud Computing Services

  • 20% Product Engineering services

  • 10% Web Development

Microsoft-Focused Innovation Partner

Neudesic is a US-based Microsoft Gold Partner and digital innovation company specializing in cloud development, AI/ML, data analytics, and product engineering. With 1000+ engineers across USA and India, Neudesic delivers proof of concept development, digital prototyping, and full-cycle product engineering for enterprise clients. The company helps organizations validate complex technology concepts through structured PoC delivery, then builds production-ready cloud-native solutions. Neudesic serves clients in healthcare, financial services, manufacturing, and retail sectors. Their engineering teams combine Microsoft Azure expertise with AI, DevOps, and product engineering capabilities to accelerate digital innovation and business transformation.

View Neudesic Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$50,000+

Min. Budget Size
Inside Service Listing

250 - 999

Team size
Inside Service Listing

Irvine, USA

Location

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