App Developers in San Francisco

We Build Apps with Passion!

We offer the most Unique and Bespoke Digital Experience.


App Dev.

Without any doubt, Mobile applications wear the crown in the digital products market. There is no other technology with such evolution and profits. We are the best app developers in San Francisco having years of experience and technological resources at our disposal. Our products get featured in relevant app stores and top the charts. Why are we this successful? The answer lies in our unique agile development and using most contemporary technologies. There are few mobile app development companies in San Francisco with such professionalism and remarkable attitude. We develop every type of mobile apps including native, hybrid, PWA, and others. Moreover, Zazz also provides dedicated support & maintenance services. We are the best App Developers in USA and provide every service under one roof.

Our Work

We Believe Mobile Apps to be an Art form with modern scientific methods.


Compete Well Using Technology & Best Mobile App Developers San Francisco

Technology is the solution that future-proofs your business. If you want to guarantee success, use modern technology by employing the world’s leading developers. Zazz in the United States is the only developer with amazing skills and a hunger for creativity. With us, you have a guarantee of modern digital products & success. We have our footprints in every part of Latin America. We are available in every other state of the USA and are considered as the best Seattle UI Developers and IT agency of the United States.

iOS App Development

iOS is the most lucrative platform never meant for amateurs. We are champions of iOS development creating some amazing apps for iPhones, iPads, wearables, and others. We develop customized solutions and integrate modern technologies for innovation.

Android App Development

The world’s most used platform demands extraordinary expertise and polished skills. Zazz is the leading android app development company in San Francisco developing the most unique products. We deliver android apps in record times, thanks to our efficient method.

Mobile Backend Engineering

Mobile Backend is a vital part of any app. Zazz app developers in San Francisco are the best when it comes to the engaging backend for extreme usability and quality. We have command over every backend tool out there. We have employed a dedicated backend staff.

QA and Testing

Zazz is the only app development company in San Francisco having a full-fledged testing mechanism of applications. We do manual and automatic testing and even lend our services to other digital agencies. Our award-winning QA and testing team is our strength.

Native App Development

Zazz develops native apps with ultimate perfection and in the most cost-effective manner. We believe that native apps are here to stay and utilize every resource to ensure quality and innovation. Zazz native apps are always featured in the top lists.

Hybrid App Development

Hybrid apps are less expensive and get developed in record times. Zazz uses contemporary frameworks and languages to create flawless hybrid experiences. Our apps are equally good for every platform and never have any compatibility issues.

iOS App Development

Our engineering team for the iPhone app has the expertise and experience to create solutions that meet the expectations and requirements of our clients. Zazz’s mobile app developers San Francisco can also exploit their knowledge in UX design, QA testing, and cross-platform mobile device creation while designing and creating iPhone applications. Hiring the best company out there is making all the difference. You need to get the most out of your iPhone apps and that can only be done with the help of best developers like Zazz. iOS app development San Francisco team uses a holistic approach to the creation of software taking into account the market needs research. Besides, we pay attention to developing look and feel, user interface, app features, and debugging needs. Know about our services in detail and hire Best iOS app developer for a complete roadmap and guaranteed results.

Customers have the right to demand flexibility in experience for their project and thus gain onboard convincingly from our top San Francisco app developers. Using the right application development platform following your specifications is what tempts us to showcase our flexibility and demonstrate a sustainable caliber in a multitude of industries.

iPhone / iPad DevelopmentSwift
React NativeXcode
Apple WatchObjective-C
Apple TV/tvOSSiri Intents

Android App Development

We create android apps from scratch and regarded as the strategy development company San Francisco. Although the Google Play Store is filled with millions of applications for educational, business, or other industries catering purposes. What chance do you have of standing out from the rest of the competition? The solution lies in using state-of-the-art technology and instruments to redefine your business by digital means. Our top app developers San Francisco developers provide customized services, Android games, business apps, social media apps, Android toolbar, Android app testing and portability, and more. The point is to help our customers gain that much needed competitive advantage in the industry by diversifying their marketing outlets at the lowest possible cost. Want to know more about our android expertise and process Hire Best Android app developer in town.

We are among the top 10 mobile app development companies in San Francisco. Zazz promises that it will not only produce an excellent Android app or rescue dream projects but that it will go ahead and provide ample support and versatile maintenance packages after release. Improvement is a cycle without limit! We are contributing much to the San Francisco mobile app development scenario. Our project managers and technical staff ensure they handle the current and future changes and enhancements, and remain up-to-date with the latest innovative apps to keep your app on top.

Android StudioMaterial Design
Android TVCustom-embedded Android ROM
Android WearChromecast

Mobile Backend Engineering

At Zazz, we believe that a solid backend framework is needed for the best mobile experiences. Our API architects have been concentrating on the earliest stages of product design and strategy on developing a server-side solution customized to your product's unique requirements. We have a team of professional top San Francisco app developers expertise in backend at Zazz who won't leave any stones unturned to ensure you have a powerful backend creation. It allows your apps to run smoothly and seamlessly without glitches and hiccups. We have years of experience and expertise in designing and building unparalleled backend creation for apps that help businesses solve various challenges.

Amazon Web ServicesCloud Computing
CouchDBMicrosoft Azure
OracleSAP Data Services

QA and Testing

All software development companies in San Francisco protect their research plans. Our test cases ensure the documentation and reliability of the tests. A dedicated QA engineer can conduct smoke testing, regression testing, ad-hoc and exploratory testing, reliability testing, functional, and acceptance testing during a project's life cycle.

App companies in San Francisco hire our testing services to ensure quality over everything. When our team is concerned about checking smartphone software, our team thinks beyond bug fixing. Many other offenders will cause your end-users to flee such as bad application performance, slow loading times, battery drain as well as network problems. We eradicate all such issues with perfection and zeal. That is the reason we are trusted for app developer consulting in San Francisco.

TestrailCharles proxy
XCTest UI Espresso
CalabashAWS Device Farm
Xamarin Test CloudFirebase Test Lab

We’re a strategic design and innovation partner for leading brands.

Making our clients successful

We Create Wonders with Your Ideas

There are few mobile app development companies in San Francisco offering tailor-made apps from scratch. We work for our clients and always prioritize their customers. We create amazing digital solutions that help our clients move fast and explore the market. App development San Francisco is facing challenges like saturation. We believe in innovation and creativity above all. Thus we apply most modern development methods and recruit the best talent from all over the world. Just to cater to you!.

  • Strategy

  • UX Design

  • Development

  • Testing/QA

  • Launch

  • Maintenance


No app development companies in San Francisco help you in strategy building but Zazz. We work with your team and draft a full-fledged strategy.


Industries We Serve

Zazz falls among the best custom software development San Francisco companies due to its experience. We have a years-long history of working with international clients and local startups. We work to establish long term relationships. Zazz has created separate teams to tackle every industry. Our approach has helped us polish our industry-specific skills and provide our clients with an exceptional edge over others. We even provide industry-specific services related to AI, AR, VR, and IoT. Want to know more about that? Contact us without any obligation to Hire IOT Developer and others.


Fitness & Wellness


On Demand Services

Government Service Agencies

Beauty & Fashion

Enterprises Applications

Social Network

Events & Entertainment

Retail & E-commerce


Our Capabilities

Making our clients successful

Zazz is no ordinary company but a powerhouse filled with amazing talents and working mechanisms. Without any exaggeration, we are the best mobile app developer San Francisco. Our strength lies in our exceptional services and professionalism. We take every project seriously and leave no stone unturned until the final launch. We work for you and make sure that you get success in a limited amount of budget.








We are just as excited about your idea.