In the demanding San Francisco market, a weak app build can cost you users, funding, and momentum. Our directory helps you compare vetted app developers in San Francisco who build with scale and speed in mind.
Best San Francisco Mobile App Developers
4 Companies-Rankings updated: September 09, 2026
DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.
Software Outsourcing & Development | 500+ Active Clients
Founded in 2009 by Nacho de Marco and Paul Azorín, BairesDev provides top 1% tech talent to a range of clients, from startups to Fortune 500 companies...
Top Services:
Software Development
Web Development
UI/UX Design
Mobile App Development
Software Testing
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Location
San Francisco, California
Number of Employees
1000 & Up
Average Hourly Rate
$50/hr
Minimal Budget
$50,000 & Up
Portfolios Count
5 Projects Listed
BairesDev Services
Software Development
Web Development
UI/UX Design
Mobile App Development
Software Testing
Web Design
Staff Augmentation
Product Design
ERP Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Google
Salesforce
IBM
Autodesk
Rolls-Royce
SiriuXM
Motorola
Burger King
Chime
Data sourced from the agency's DesignRush profile
BairesDev Reviews & Testimonials
Undisclosed Director of e-commerce solutions at URBN
5.0★
Web Development Review from Undisclosed
We were truly impressed by the BairesDev team's expertise, work ethic, and eagerness to learn. The agency quickly adapted to our corporate culture and integrated seamlessly. When tasked to work on a new platform, it provided solutions within a week. It's like the software version of a versatile and powerful utility infielder.
Undisclosed Engineering Manager at Pinterest
5.0★
Staff Augmentation Review from Undisclosed
BairesDev engineers are the soul of the team. They’re able to identify dependencies and figure out solutions quickly. They strongly exceeded my expectations.
Undisclosed Team Leader at Avigilon
5.0★
Web Development Review from Undisclosed
Following consultations with the BairesDev team, we recognized that the primary objective was to localize the system and concentrate on enhancing the UI, while also upgrading tools to uphold a high-performance analytics system. Witnessing its expertise and ability to address specific issues greatly alleviated our security platform's primary concerns.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Delve is a physical and digital product innovation firm...
Top Services:
Product Design
Wearables
UI/UX Design
IoT
Design Services
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Location
San Francisco, California
Number of Employees
100 - 249
Minimal Budget
$50,000 & Up
Portfolios Count
6 Projects Listed
DELVE Services
Product Design
Wearables
UI/UX Design
IoT
Design Services
eCommerce Development
Mobile App Development
Digital Strategy
Branding
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Amazon
Audio Technica
Charbroil
Google
Jarden
Pella
Penumbra
Spectrum Brands
Weber
Dexcom
Data sourced from the agency's DesignRush profile
DELVE Reviews & Testimonials
Jim Uphoff Global Procurement Entertainment Fixture Product Manager at ETC
5.0★
Industrial Design Review from Jim Uphoff
With resources being tight and timelines being even tighter, we partnered with Delve to see if we could get the product to market faster. We were very happy with the communication throughout the process, as well as the final output. Their professionalism and work speak for themselves. We learned a lot while working with Delve and look forward to future projects.
J. O'Neill Senior Director at Spectrum Brands
5.0★
Industrial Design Review from J. O'Neill
This work with Delve far exceeded our expectations and today is the catalyst for defining our forward looking product road maps.
Dan Kaiser President at SafetyNet
5.0★
Industrial Design Review from Dan Kaiser
Delve helped deepen our knowledge about design thinking and prototyping the customer’s needs/preferences, which is paying high dividends in quickly building our customer base.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
CreativeGray is a San Francisco based custom software development company that works with startups and enterprises to strategize and build digital products...
Top Services:
Mobile App Development
Location
San Francisco, California
Number of Employees
Under 49
Average Hourly Rate
$150/hr
Minimal Budget
$50,000 & Up
Portfolios Count
6 Projects Listed
CreativeGray Services
Mobile App Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts