Insights

Boutique scale Appstem combines boutique-level attention with full-service capabilities and has a track record of delivering over 250 apps since 2010, indicating a strong fit for clients seeking customized, high-touch software development.

Fortune start partnerships With experience partnering with Fortune 500 brands and high-growth startups, Appstem can position itself as a versatile partner capable of handling both enterprise-grade and nimble product needs.

Mid-market positioning Current employee range and revenue suggest Appstem operates in the mid-market, presenting opportunities to target mid-sized firms seeking scalable, custom web and mobile solutions without large agency overhead.

Tech stack leverage Utilizing WordPress, Google Cloud, Netlify, and modern design tools like Figma indicates potential for product modernization, cloud migrations, and front-end modernization projects for clients with legacy systems.

Experienced leadership hiring Recent leadership additions to expand the sales team signal an appetite for growth and provide a doorway to engage in conversations around expanding accounts,-hiring plans, and enterprise expansion opportunities.

Appstem Tech Stack

Appstem uses 8 technology products and services including Linkedin Insight Tag, WordPress, Figma, and more. Explore Appstem's tech stack below.

Linkedin Insight Tag

Analytics

WordPress

Content Management System

Figma

Design

Google Workspace

Google Cloud

Infrastructure As A Service

jQuery

Javascript Libraries

HubSpot

Marketing Automation

Netlify

Platform As A Service

Appstem Email Formats	Example	Percentage
First.Last@appstem.com	John.Doe@appstem.com	90%
First@appstem.com	John@appstem.com	10%

Appstem Email Formats

Example

Percentage

First.Last@appstem.com

John.Doe@appstem.com

90%

First@appstem.com

John@appstem.com

10%

Frequently Asked Questions

What is Appstem's phone number?

You can contact Appstem's main corporate office by phone at

+1-415-956-****

. 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?

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

How much revenue does Appstem generate?

As of August 2026, Appstem's annual revenue is estimated to be $10M - $25M.

What is Appstem's SIC code and NAICS code?

Appstem's SIC code is 7371 - Computer Programming Services and NAICS code is 541511 - Custom Computer Programming Services.

How many employees does Appstem have currently?

As of August 2026, Appstem has approximately 16 employees across 2 continents, including North America and Europe. Key team members include Senior Project Manager: D. C. Explore Appstem's employee directory with LeadIQ.

What industry does Appstem belong to?

Appstem operates in the IT System Custom Software Development industry.

What technology does Appstem use?

Appstem's tech stack includes Linkedin Insight Tag, WordPress, Figma, Google Workspace, Google Cloud, jQuery, HubSpot and Netlify.

What is Appstem's email format?

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

When was Appstem founded?

Appstem was founded in 2010.

Appstem

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

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

Q: How many employees does Appstem have currently?

Appstem has approximately 16 employees.

Q: What technology does Appstem use?

Appstem's tech stack includes Google Fonts API, Google Cloud, DoubleClick Floodlight, Netlify, Google Domains.

Q: What is Appstem's NAICS code?

Appstem's NAICS code is 541511 (Custom Computer Programming Services).

IT System Custom Software DevelopmentCalifornia, United States11-50 Employees

Appstem is a San Francisco-based firm that designs and builds custom software to address complex business challenges. It delivers end-to-end development for web, mobile, and emerging product platforms, balancing engineering rigor with a focus on user-friendly design. Since its founding in 2010, Appstem has partnered with Fortune 500 brands and high-growth startups to launch more than 250 apps. 

In the IT system custom software development space, the company operates as a small-to-mid-sized team and positions itself as a blend of a full-service agency and a boutique firm, emphasizing close collaboration and attention to detail. The firm has earned industry recognition, including being named a top development company in San Francisco by Clutch in 2018. A recent development noted in its news is the hiring of Mitch Zenaty in November 2023 to lead the expansion of its sales capacity.

Insights

Similar companies to Appstem

Appstem Tech Stack

Media & News

Appstem hires Mitch Zenaty.

Appstem recognized as top development company in San Francisco by Clutch.

Appstem recognized as Top Internet of Things of Companies.

Appstem recognized as Top Mobile App Developers.

Appstem launched Ridey on Feb 20th '18.

Appstem partners with University of California.

Appstem partners with University of California, Davis.

Appstem's Email Address Formats