Company lists · Data refreshed September 2026

Top 25 Cross-platform app development companies based in Poland

RevenueBase identified 124 cross-platform app development companies headquartered in Poland as of September 2026 and tracks 688 professional contacts across them, including 135 with verified work emails and 15 with mobile numbers. Warsaw is the largest hub.

This list covers cross-platform app development companies headquartered in Poland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 1, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase Smart Search rating on every row Refreshed Sep 1, 2026 86% judged on-target in blind review
124Companies
688Contacts tracked
135Verified emails
15Mobile numbers
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The 25 largest cross-platform app development companies based in Poland

Ranked by team size
Top 25 of 124 cross-platform app development companies based in Poland, ranked by team size, largest first. Data refreshed Sep 1, 2026. RevenueBase Smart Search rates how each company's information relates to cross-platform app development companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceWarsaw, Poland51-20061 contacts →

Partial evidence

“Mainsoft is a software development company, which is focused on web and mobile application development.”

Source: RevenueBase Database · checked Sep 1, 2026
2Indirect evidenceLodz, Poland51-20056 contacts →

Indirect evidence

“We are a team of web and mobile developers who are passionate about new technologies.”

Source: RevenueBase Database · checked Sep 1, 2026
3Partial evidenceKrakow, Poland51-20028 contacts →

Partial evidence

“We create awesome web and mobile apps for entrepreneurs and startups in a cost-effective and timely manner based on Lean philosophy.”

Source: RevenueBase Database · checked Sep 1, 2026
4Strong evidenceGdansk, Poland11-5024 contacts →

Strong evidence

“GMI Software specializes in creating visually stunning mobile applications using cross-platform technologies (React Native, Expo).”

Source: RevenueBase Database · checked Sep 1, 2026
5Partial evidenceWroclaw, Poland11-5019 contacts →

Partial evidence

“Mobile Development - Flutter, ReactNative We specialize in mobile applications native iOS and Android development.”

Source: RevenueBase Database · checked Sep 1, 2026
6Indirect evidenceRzeszow, Poland11-5018 contacts →

Indirect evidence

“Our mission is to collaborate with organizations to create innovative products that help professionals work better.”

Source: RevenueBase Database · checked Sep 1, 2026
7Indirect evidenceTarnow, Poland11-5017 contacts →

Indirect evidence

“ALTCONNECT specializes in developing mobile applications for iOS and Android powered devices”

Source: RevenueBase Database · checked Sep 1, 2026
8Partial evidenceKrowodrza, Poland11-5016 contacts →

Partial evidence

“We are Dev and Deliver, Web and Mobile app developers based in Krakow, Poland.”

Source: RevenueBase Database · checked Sep 1, 2026
9Indirect evidenceBialystok, Poland11-509 contacts →

Indirect evidence

“At GoApps sp.”

Source: RevenueBase Database · checked Sep 1, 2026
10Partial evidenceBialystok, Poland1-107 contacts →

Partial evidence

“We are software house in Poland, that specializes in creating mobile applications on Android and iOS platforms.”

Source: RevenueBase Database · checked Sep 1, 2026
11Indirect evidenceKrakow, Poland11-507 contacts →

Indirect evidence

“We deliver complexity and professional software solutions.”

Source: RevenueBase Database · checked Sep 1, 2026
12Partial evidencePrzemysl, Poland11-507 contacts →

Partial evidence

“BASQUARE is a software development company offering both integrated and outsourced solutions and services.”

Source: RevenueBase Database · checked Sep 1, 2026
13Indirect evidencePoznan, Poland11-506 contacts →

Indirect evidence

“Our experience spans across various industries, including real estate, education, arts, entertainment, music, consumer products, services, energy, and natural resources.”

Source: RevenueBase Database · checked Sep 1, 2026
14Partial evidenceWarszawa, Poland1-106 contacts →

Partial evidence

“Our approach in 5 points We help you understand how your app has to look and feel to fit into the Android ecosystem.”

Source: RevenueBase Database · checked Sep 1, 2026
15Indirect evidenceKrakow, Poland11-506 contacts →

Indirect evidence

“Spinney team offers a group of devoted & passionate developers that will craft software specifically for your needs.”

Source: RevenueBase Database · checked Sep 1, 2026
16Indirect evidencePoznan Wielkopolska, Poland1-105 contacts →

Indirect evidence

“QRTAG to najnowocześniejsze w Polsce rozwiązanie systemowe do tworzenia aplikacji mobilnych.”

Source: RevenueBase Database · checked Sep 1, 2026
17Indirect evidenceWlochy, Poland11-505 contacts →

Indirect evidence

“Mobter is a unique mobile software developer helping other companies to create, design, develop and maintain their unique products in a secure manner.”

Source: RevenueBase Database · checked Sep 1, 2026
18Strong evidenceRzeszow, Poland1-105 contacts →

Strong evidence

“Marcom Mobile, founded in 2015, is a boutique IT company specializing in native iOS and Android app development using Swift and Kotlin, as well as cross-platform solutions built…”

Source: RevenueBase Database · checked Sep 1, 2026
19Partial evidenceWarsaw, Poland1-105 contacts →

Partial evidence

“Melon is a software development company focused on designing, building, and maintaining desktop, web, and mobile applications.”

Source: RevenueBase Database · checked Sep 1, 2026
20Partial evidenceWarsaw, Poland1-105 contacts →

Partial evidence

“LETIKO is a software development company based in Poland”

Source: RevenueBase Database · checked Sep 1, 2026
21Strong evidenceWarsaw, Poland11-503 contacts →

Strong evidence

“At Tech Paradise, we’re at the forefront of mobile application development, creating custom, robust, and high-performing iOS and Android apps designed to meet the specific needs…”

Source: RevenueBase Database · checked Sep 1, 2026
22Indirect evidenceLimanowa, Poland1-103 contacts →

Indirect evidence

“Purple Stone is an IT company, that delivers dedicated mobile applications.”

Source: RevenueBase Database · checked Sep 1, 2026
23Strong evidenceMokotow, Poland1-102 contacts →

Strong evidence

“We provide software design and software development services on different platforms and operating systems.”

Source: RevenueBase Database · checked Sep 1, 2026
24Indirect evidenceKrakow, Poland1-102 contacts →

Indirect evidence

“Mobidatok is a global software developing company, creating high-quality Web, Android & iOS applications for customers all over the world.”

Source: RevenueBase Database · checked Sep 1, 2026
25Partial evidenceLodz, Poland51-2002 contacts →

Partial evidence

“We started as a product company in 2009 hoping to create apps that improve people's lives in a small but meaningful way.”

Source: RevenueBase Database · checked Sep 1, 2026

Showing 25 of 124 cross-platform app development companies based in Poland

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Cross-platform app development companies based in Poland at a glance

As of Sep 1, 2026
19.6%Verified-email coverage
2.2%Mobile-number coverage
5.5Average contacts per company
1-10Median size (employees)
17.7%Largest-city concentration · Warsaw
Sep 1, 2026Page data refreshed

Companies by employee count

1-10
78
11-50
41
51-200
5

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cross-platform app development companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Poland whose own description of what they do matches “cross-platform app development companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cross-platform app development companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among cross-platform app development companies, and records with no verified work email. Companies headquartered outside Poland are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 135 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 1, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cross-platform app development companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many cross-platform app development companies are there based in Poland?

RevenueBase identified 124 cross-platform app development companies headquartered in Poland as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Mainsoft, headquartered in Warsaw, tops this list with the largest team on record.

Which city has the most cross-platform app development companies?

Warsaw leads with 22 headquartered companies, followed by Krakow (16) and Warszawa (13).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 135 verified decision-maker contacts tracked across these 124 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 1, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.