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Callstack Logo
Callstack Growth Score
80
CB Rank
476264
Heat Score
45
Callstack is a team of React Native development expert with with strong backgrounds in the open-source community.
Founded
obfuscation
Private Wroclaw, Dolnoslaskie, Poland11-50 callstack.com/
Information Services
Information Technology
Software
Overview

Callstack
Growth Score
80
Heat Score
45

Growth Score80
-7 pts
in past quarter
Heat Score 45
-31 pts
in past quarter

Company Performance Metrics

Score
Trend
AI Content may contain mistakes and is not legal, financial or investment advice.Learn more.
Growth Score - The measure of growth based on company activity, operational metrics, and investments
Growth Trend - The change in the growth score over the given time period
Heat Score - The measure of the market interest, media activity, and Crunchbase profile activity
Heat Trend - The change in the heat score over the given time period
Learn More >
Recent Milestones
Raised Funding Round
Jan 1, 1970
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Raised Funding Round
Jan 1, 1970
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Raised Funding Round
Jan 1, 1970
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See more interactive data and historical milestones on desktop for the best experience

About Callstack

CB Rank
476264
Callstack is a team of React Native development expert with with strong backgrounds in the open-source community.
Founded
obfuscation
Private Wroclaw, Dolnoslaskie, Poland11-50 callstack.com/
Information Services
Information Technology
Software

Details

Operating Status Active
Company Type For Profit
Phone Number 693411272
Contact Email anna@callstack.com
Predictions & Insights

Growth Prediction

See this Growth Prediction

Products & Services

React Native Community CLI
Command line tools designed to assist developers in building React Native applications.
React Native Testing Library
A collection of utilities for testing React Native applications that promote effective testing practices.

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Financials
Market Intelligence
People
View Profiles & Contacts
Headcount 11-50 Contacts 27
News

News and Press

News•Mar 2, 2026
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News•Feb 25, 2026
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News•Oct 21, 2025
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News•Oct 13, 2025
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Access a complete feed of recent news and press, from product launches to leadership changes.
Technology
View Tech Report

Monthly Web Visits

126,127
30.97%
 in past month

IT Spend

$1.7MThis year, Callstack is projected to spend $1.7M on IT, according to Aberdeen.

Actively Used Products

17Callstack uses 17 technology products and services including HTML5, Google Analytics, and  Google Drive, according to G2 Stack.
Sub-Organizations
Frequently Asked Questions

Where is Callstack's headquarters? Callstack is located in Wroclaw, Dolnoslaskie, Poland.Who are Callstack's competitors? Alternatives and possible competitors to Callstack may include Kraken, Vercel, and  Expo.
Who We Are
What We Do
Helpful Links
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