Top 100 Cross Platform App Developers in San Francisco

Need Help Selecting a Company?
Directory image
  1. Home
  2. Mobile App Development
  3. Cross Platform
  4. San Francisco

Top 100 Cross Platform App Developers in San Francisco

The Best of December 2024

Looking for a top cross platform mobile app development company in San Francisco?

Cross-platform mobile applications have benefits that outweigh those of native applications if your users interact with your business on both Android and Apple products. Cross platform app development entails building a mobile app that’s compatible with multiple operating systems. 

Jump to Most Reviewed Companies

List of the Best San Francisco Cross Platform Mobile App Development Companies

  • 1
    (21 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • San Francisco, CA
    Synergy Labs is a mobile application development firm. They are in Hollywood, Florida; Miami, Florida; New York, New York and Dubai, United Arab Emirates and have a midsize team. The firm specializes in Mobile App Development, UX/UI Design, IT staff augmentation, Custom Software Development, and more.
    Read More

    Industries

  • Get connected with a company for free

    Tell us about your project, and we'll match you with vetted companies that meet your requirements.

    Get Started
  • 2
    (38 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • San Francisco, CA

    Zazz is a Seattle-based mobile app development company founded in 2011. They have an additional office in San Francisco. Their team of approximately 50 employees serves clients of all sizes and industries. In addition to app development, they also specialize in enterprise app modernization and UX/UI design.

    Read More

    Clients

    • Inclose

    Industries

  • 3
    (42 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      4.9
    • $10,000+
    • 50 - 249 employees
    • San Francisco, CA

    Roonyx is a web, mobile app, and AI development company founded in 2008 that caters their services to small business and midmarket clients. They have a team of nearly 30 employees who provide services from Moscow and Boston. They focus on the business services, automotive, and e-commerce industries.

    Read More

    Industries

  • 4
    (35 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      5.0
    • $100,000+
    • 250 - 999 employees
    • San Francisco, CA

    ArcTouch was founded in 2008 and has offices in San Francisco, Calif., New York, and Florianópolis, Brazil. They excel at app development, blockchain, and UX/UI design. They guide their enterprise clients through the app building process by defining a strategy for the best user experience, planning the visual design, developing and testing the prototype, and ensuring optimization and growth.

    Read More

    Clients

    • 3M

    Industries

  • 5
    (87 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      5.0
    • $25,000+
    • 1,000 - 9,999 employees
    • San Francisco, CA

    Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.

    Read More

    Clients

    • IBM
    • PayPal
    • pwc
    • IC Markets

    Industries

  • 6
    (59 Reviews) 4.9
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

      4.9
    • $50,000+
    • 1,000 - 9,999 employees
    • San Francisco, CA

    With offices in San Francisco and development centers across Latin America and the U.S., BairesDev provides end-to-end delivery for its clients. Founded in 2009, their team of over 3,000 seasoned engineers provides web and software development services in addition to managed IT support, staff augmentation, and application testing.

    Read More

    Clients

    • Google

    Industries

  • 7
    (63 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      4.8
    • $25,000+
    • 1,000 - 9,999 employees
    • San Francisco, CA
    Custom software development company Simform was founded in 2010. The agency specializes in Custom Software Development, Artificial Intelligence, cloud consulting & SI, Mobile App Development, and more and has a large team.
    Read More

    Clients

    • Redbull

    Industries

  • 8
    (52 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.5
    • Would Recommend

      4.9
    • $50,000+
    • 1,000 - 9,999 employees
    • San Francisco, CA

    Toptal is a private network of freelance technologists and designers. With more than 2000 freelance workers in its exclusive community, Toptal can be instrumental in finding the right freelance partner for development projects. The community includes developers for any platform, finance experts, and designers of both visual material and graphic interfaces. Because of its screening process, Toptal combines the reliability and expertise of an agency with the flexibility and affordability of freelance work.

    Read More

    Clients

    • Toptal clients include J.P. Morgan

    Industries

  • 9
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • San Francisco, CA

    Techlexity is a small custom software development firm. Located in L'viv, Ukraine and Los Angeles, Glendale, California, the agency was founded in 2019. Their services include custom software development, web development, mobile app development, blockchain, and more.

    Read More

    Industries

  • 10
    (115 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • San Francisco, CA
    Founded in 2013, Empat is a midsize application development company. Their team offers Mobile App Development, Web Development, and Custom Software Development. The agency is headquartered in Kyiv, Ukraine; San Francisco, California; London, England and Miami, Florida.
    Read More

    Clients

    • We are focused on small and medium companies and startups, guiding them through all stages of development. Our clients achieve remarkable success, like Obimy with 10M+ downloads, and Monitree, built for the NHS. We deliver beyond expectations.

    Industries

  • 11
    (13 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.6
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • San Francisco, CA

    Sudolabs is a digital product-building agency based in Košice, Slovakia with more than 90 employees. Since its founding in 2018, they have provided product management services and mobile/web app development solutions for small and mid-market companies across various industries.

    Read More

    Clients

    • The Expert (https://www.theexpert.com/)

    Industries

  • 12
    (46 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $50,000+
    • 50 - 249 employees
    • San Francisco, CA

    ThirstySprout is an outsourced development company headquartered in Seattle with an additional office in San Franciso. Founded in 2017, they currently have about 18 employees. They provide IT staff augmentation as well as custom software and web development services to primarily midmarket agencies in IT, e-commerce, and business services.

    Read More

    Clients

    • Rover.com

    Industries

  • 13
    (9 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 2 - 9 employees
    • San Francisco, CA
    Custom software development company Bloorsoft was founded in 2022. The small team specializes in custom software development, digital strategy, social media marketing, content marketing, and more. The firm is in Toronto, Canada.
    Read More

    Industries

  • 14
    (21 Reviews) 4.9
    • Timeliness

      5.0
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      4.8
    • $50,000+
    • 10 - 49 employees
    • San Francisco, CA

    Founded in 2015, Geekbears is a Web and Mobile Design & Development company based in California. They have served 200+ customers, and the list is growing. They worked with clients like Samsung, Harvard, and Indeed. From ideation to launching a digital product, Geekbears walk its clients through the entire process. Their main focus is to help businesses create stunning web and mobile applications to help make the world a more productive one.

    Read More

    Clients

    • Samsung

    Industries

  • 15
    (9 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      4.9
    • $10,000+
    • 50 - 249 employees
    • San Francisco, CA

    Double Coconut is a web development firm based in San Francisco, Calif. Founded in 2011, their team of 30 serves clients in the gaming, marketing, and entertainment sectors. Services include mobile development, programming, and AI.

    Read More

    Clients

    • Microsoft Casual Games
    • Ellen Degeneres
    • OTG Games
    • EA Sports | Madden NFL

    Industries

  • 16
    (23 Reviews) 4.7
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.5
    • Would Recommend

      4.8
    • $25,000+
    • 250 - 999 employees
    • San Francisco, CA

    Robosoft Technologies is a full-service digital experiences agency offering digital advisory, design strategy, UX/UI services, application development & maintenance and expertise in emerging technologies such as AR, VR, blockchain, chatbots and more. Established in 1996 and headquartered in San Francisco, the team of 500+ has offices in Mumbai, Udupi, Bengaluru, Chicago, and New York.

     

     


     

    Read More

    Clients

    • Warner Bros. Discovery

    Industries

  • 17
    (19 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      4.9
    • $5,000+
    • 10 - 49 employees
    • San Francisco, CA

    Launched in 2020, Apex Lab is a software development company. Their small team is based in Tallinn, Estonia and San Francisco, California. Their team offers custom software development, mobile app development, web development, and enterprise app modernization.

    Read More
  • 18
    (53 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.7
    • Value

      4.5
    • Would Recommend

      5.0
    • $25,000+
    • 250 - 999 employees
    • San Francisco, CA

    Infinum is a software development company in San Francisco, CA. The 50+ team has equal experience in mobile and web development. They work with clients from a variety of industries, including business and financial services and automotive.

    Read More

    Clients

    • Philips

    Industries

  • 19
    (74 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      4.9
    • $10,000+
    • 50 - 249 employees
    • San Francisco, CA

    AirDev is a San Francisco based software development company. They were founded in 2015 and have a team of 11 employees who specialize in the custom software, web, mobile app development. 

    Read More

    Clients

    • HP

    Industries

  • 20
    (19 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • San Francisco, CA

    Founded in 2009, MindK is a software development company that specializes in web, custom software, and mobile app development. Their team of 56 employees, based in San Francisco, partners with small business and midmarket clients in the financial services, advertising, and media industries.

    Read More

    Clients

    • Adidas

    Industries

  • 21
    (6 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $50,000+
    • 250 - 999 employees
    • San Francisco, CA

    Midsize IT staff augmentation company Code Power, is in Guaynabo, Puerto Rico. Their services include IT staff augmentation, custom software development, web development, mobile app development, and more.

    Read More

    Clients

    • Snappt

    Industries

  • 22
    (13 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      4.8
    • $10,000+
    • 50 - 249 employees
    • San Francisco, CA

    Founded in 2012, SF AppWorks is a digital agency that produces innovative technologies for mainly midmarket companies. Based in San Francisco, their team of 50+ specializes in web development, mobile app development, UX/UI design, and custom software development. 

    Read More

    Clients

    • West Elm

    Industries

  • 23
    (40 Reviews) 4.4
    • Timeliness

      4.2
    • Service Excellence

      4.5
    • Value

      4.4
    • Would Recommend

      4.4
    • $10,000+
    • 50 - 249 employees
    • Berkeley, CA

    Founded in 2016, Crowdbotics is a development company based in Berkeley, Calif. They work with businesses of all sizes in the business services, consumer products, and healthcare fields. 

    Read More

    Clients

    • Stripe

    Industries

  • 24
    (11 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $100,000+
    • 10 - 49 employees
    • San Francisco, CA

    WLCM App Studio is a software development firm launched in 2011. The small San Francisco, California-based team specializes in custom software development, mobile app development, ux/ui design, application testing, and more.

    Read More

    Industries

  • 25
    (19 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      4.9
    • $25,000+
    • 250 - 999 employees
    • San Francisco, CA
    Launched in 2003, EffectiveSoft is an artificial intelligence development company. The midsize team focuses on Artificial Intelligence, BI & big data consulting & SI, cloud consulting & SI, Custom Software Development, and more. The firm is based in San Diego, California; Wrocław, Poland; San Rafael, Costa Rica and Warszawa, Poland.
    Read More

    Industries

  • 26
    (5 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • San Francisco, CA

    Founded in 2018, Aphelia Innovations is a mobile application development company. Their small team is based in New Delhi, India. Their services include mobile app development, IT staff augmentation, and web development.

    Read More

    Clients

    • Skylark Group, India

    Industries

  • 27
    (14 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • San Mateo, CA

    App development company BinStellar Technologies Pvt. Ltd. Was founded in 2018. The firm offers mobile app development, web development, and branding and has a small team.

    Read More

    Clients

    • Test Routes

    Industries

  • 28
    (8 Reviews) 4.7
    • Timeliness

      4.6
    • Service Excellence

      4.7
    • Value

      4.4
    • Would Recommend

      4.8
    • $25,000+
    • 50 - 249 employees
    • San Mateo, CA

    NG Logic is a software company headquartered in Warsaw, Poland that specializes in mobile app and web development. Founded in 2003, the company has an additional office in Austin, Texas and has over 50 employees. 

    Read More

    Clients

    • Digital Cheetach Perception Software Contractroom

    Industries

  • 29
    (6 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.7
    • Value

      4.8
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • San Francisco, CA
    ScaleTech, a mobile application development firm, was established in 2017. Their small team is in Ahmedabad, India; San Francisco, California and Frankfurt am Main, Germany. Their services include mobile app development, enterprise app modernization, e-commerce development, IoT development, and more.
    Read More

    Industries

  • 30
    (5 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.7
    • Value

      4.8
    • Would Recommend

      4.9
    • $10,000+
    • 250 - 999 employees
    • San Francisco, CA

    AlgoRepublic is a software development firm that has been offering custom software development, mobile app development,and web development services to their clients since 2014. Their team of 250 employees are based out of their Lahore office.

    Read More

    Clients

    • YapJobs

    Industries

Get connected with the right company for you

We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.

Schedule Consultation