Insights

Strong Market Presence Appstem has established itself as a leading digital product development firm in San Francisco, recognized by Clutch as a top development company and top mobile app developer, indicating a solid reputation and potential for expanding client relationships.

Diverse Client Portfolio With experience collaborating with Fortune 500 brands and high-growth startups, Appstem demonstrates versatility that appeals to a broad range of industries, creating opportunities to tailor solutions for varied enterprise needs.

Industry Recognition Multiple awards and recognitions highlight Appstem’s expertise and credibility in mobile app development and IoT, providing an excellent entry point to target organizations seeking trusted partners for innovative technology projects.

Recent Leadership Growth The recent hiring of industry veteran Mitch Zenaty signals expansion in sales capabilities, presenting an opportunity to engage with a team that is focused on scaling sales efforts and acquiring new high-value clients.

Technology and Innovation Focus Specializing in custom web, mobile, and emerging tech products with a focus on user-friendly design, Appstem can be a strategic partner for companies looking to modernize or develop cutting-edge digital solutions.

Appstem Tech Stack

Appstem uses 8 technology products and services including Google Conversion Tracking, WordPress, Modernizr, and more. Explore Appstem's tech stack below.

  • Google Conversion Tracking
    Advertising Networks
  • WordPress
    Content Management System
  • Modernizr
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • Google Maps
    Maps
  • PWA
    Miscellaneous
  • Netlify
    Platform As A Service
  • ZURB Foundation
    UI Frameworks

Media & News

Appstem's Email Address Formats

Appstem uses at least 1 format(s):
Appstem Email FormatsExamplePercentage
First.Last@appstem.comJohn.Doe@appstem.com
45%
First@appstem.comJohn@appstem.com
5%
First.Last@appstem.comJohn.Doe@appstem.com
45%
First@appstem.comJohn@appstem.com
5%

Frequently Asked Questions

Where is Appstem's headquarters located?

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Appstem's main headquarters is located at 133 Kearny St. Suite 202 San Francisco, CA 94108 US. The company has employees across 2 continents, including North AmericaEurope.

What is Appstem's phone number?

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You can contact Appstem's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Appstem's official website and social media links?

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Appstem's official website is appstem.com and has social profiles on LinkedIn.

What is Appstem's SIC code NAICS code?

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Appstem's SIC code is 7371 - Computer Programming Services NAICS code is 5112 - Software Publishers.

How many employees does Appstem have currently?

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As of October 2025, Appstem has approximately 51 employees across 2 continents, including North AmericaEurope. Key team members include Senior Project Manager: D. C.Software Engineer: A. M.. Explore Appstem's employee directory with LeadIQ.

What industry does Appstem belong to?

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Appstem operates in the Software Development industry.

What technology does Appstem use?

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Appstem's tech stack includes Google Conversion TrackingWordPressModernizrjQueryGoogle MapsPWANetlifyZURB Foundation.

What is Appstem's email format?

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Appstem's email format typically follows the pattern of First.Last@appstem.com. Find more Appstem email formats with LeadIQ.

When was Appstem founded?

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Appstem was founded in 2010.

Appstem

Software DevelopmentCalifornia, United States51-200 Employees

Appstem designs and develops custom software to help our clients solve complex business problems. Our experienced team combines the cutting-edge power of a full-service agency with the high-level of attention that comes with a boutique firm. Since 2010, Appstem has partnered with both Fortune 500 brands and high-growth start-ups to create and launch over 250 successful apps. 

We are industry leaders in digital product development. Simply put, we design and build custom web, mobile, and emerging products for some of the most innovative companies in the world. Our philosophy has always centered on building products that blend the best of design and technology, building apps that are as user-friendly as they are aesthetic. Engineering and creativity must go hand in hand. We’re here to guide our clients through the challenges of turning complicated technology into a best-in-breed user experiences.

Section iconCompany Overview

Headquarters
133 Kearny St. Suite 202 San Francisco, CA 94108 US
Phone number
SIC Code
7371 - Computer Programming Services
NAICS Code
5112 - Software Publishers
Founded
2010
Employees
51-200

Section iconFunding & Financials

  • $10M$25M

    Appstem's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Appstem's revenue is estimated to be in the range of $10M$25M

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