Top iOS App Development Companies in California

Discover top ios app development companies in California. Compare reviewed agencies, portfolios, pricing, and services to hire the best iOS App Developers for your project.
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4.9 out of 5, based on 685 real reviews.
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Explore Reviewed iOS App Development Companies in California — Find Skilled iOS App Developers for Your Project

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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2

SF Score

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

2

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 (%)
  • 20% Mobile App Development

  • 40% Software Development

  • 20% Ecommerce Development

  • 20% Web Design

Transforming schools and school systems by developing exceptional school leaders

New Leaders is a national nonprofit organization dedicated to developing transformational school leaders and advancing equity in K-12 education. Founded with a mission to ensure every student in America has access to excellent schools, New Leaders designs and delivers leadership development programs for principals, aspiring principals, and district leaders. The organization partners with school districts, charter management organizations, and state education agencies to build the leadership capacity required to improve student outcomes in high-need communities. New Leaders combines rigorous leadership training, coaching, and ongoing support to equip educators with the skills, knowledge, and mindset needed to lead high-performing schools and drive systemic educational change.

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Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Truckee, USA

Location

2

SF Score

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

2

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 (%)
  • 20% Mobile App Development

  • 20% Product Engineering services

  • 20% Artificial Intelligence

  • 20% Internet of Things

  • 10% Cloud Computing Services

  • 10% Web Design

Humanizing technology

RKS Design is a California-based product development and industrial design consultancy delivering innovative prototyping and engineering services for global brands. The company provides industrial design, user experience design, product strategy, engineering validation, and rapid prototyping services across healthcare, consumer electronics, and mobility industries. RKS Design uses human-centered design methodologies to help organizations create functional, scalable, and emotionally engaging products. Their teams support businesses through concept development, MVP engineering, manufacturing planning, and commercialization. The company focuses on innovation strategies that improve usability, market differentiation, and long-term product success.

View RKS Design Profile
Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$50,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Thousand Oaks, USA

Location

2

SF Score

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

2

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 (%)
  • 20% Mobile App Development

  • 20% Internet of Things

  • 20% Software Development

  • 20% IT Services

  • 10% Web Design

  • 10% Web Development

Etymology: Latin, literally, from the egg: from the beginning

Ab Ovo, Inc. is a Santa Clara, California-based IT consulting and staff augmentation firm founded in 2006, providing technology and operations solutions to Global 1000 companies. As a woman- and minority-owned business, Ab Ovo specializes in e-commerce platforms, cloud enablement, IoT, big data, business intelligence, automation testing, and enterprise application development and integration. The firm combines deep technical expertise with an understanding of client industries to solve complex business challenges with speed and agility. Ab Ovo's staff augmentation and software engineering services help organizations quickly scale technical teams while maintaining quality and adaptability to evolving business needs. With operations extending to the UK and India, the company supports clients across automotive, energy, eCommerce, financial services, manufacturing, medical, and retail sectors. Ab Ovo's productized applications and platforms are designed to accelerate digital transformation initiatives, making the company a reliable technology partner for enterprises seeking flexible, innovation-driven IT services and skilled technical talent.

View Ab Ovo, Inc. Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Santa Clara, 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 (%)
  • 11% Mobile App Development

  • 45% IT Services

  • 22% Software Development

  • 11% Web Development

  • 11% Cloud Computing Services

IT managed services and consulting firm

Langtech is a trusted IT solutions and digital transformation company helping businesses streamline operations through innovative technology services. With over 25 years of industry experience, the company delivers fully integrated solutions, including managed IT services, cloud computing, virtualization, CRM implementation, custom software development, and on-site technical support. By combining deep technical expertise with a customer-focused approach, Langtech enables organizations to improve efficiency, enhance collaboration, and accelerate business growth. Headquartered in San Francisco, the company partners with businesses of all sizes to manage complex technology environments and implement scalable solutions that support long-term operational success and digital innovation.

View Langtech Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

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
info
Expertise Distribution (%)
  • 10% Mobile App Development

  • 10% Ecommerce Development

  • 10% Software Development

  • 10% Web Development

  • 10% Blockchain Development

  • 10% Internet of Things

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

  • 10% CMS

  • 5% IT Services

  • 5% Digital Marketing

Plan Driven. Be ready for tomorrow's business world, today.

Founded in 2014, Ordex Technology Solutions (OTS) is a trusted software development company delivering high-quality, customized IT solutions for businesses worldwide. We specialize in custom software development, eCommerce websites, mobile app development (Android & iOS), and seamless integrations such as QuickBooks and marketplace automation. Our team provides end-to-end services—from requirement analysis and solution design to development, deployment, and ongoing support. We help businesses maximize IT value, streamline operations, and adapt to evolving market demands. With a strong focus on innovation, quality, and client satisfaction, OTS delivers scalable, secure, and performance-driven solutions that empower organizations to achieve sustainable growth and long-term success.

View Ordex Technology Solution Inc Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Cerritos, 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% 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
info
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

  • 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
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