Company lists · Data verified August 2026

Top 19 Cross-platform mobile app developers based in Poland

Name: Cross-platform mobile app developers based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 82 companies tracked

There are 82 cross-platform mobile app developers headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 463 professional contacts across them, including 56 with verified work emails and 12 with mobile numbers. Warsaw is the largest hub.

This list covers cross-platform mobile app developers headquartered in Poland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

82Companies

463Contacts tracked

56Verified emails

12Mobile numbers

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The 19 largest cross-platform mobile app developers based in Poland

Ranked by team size

Top 19 of 82 cross-platform mobile app developers based in Poland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Mainsoft	Warsaw	51-200	61	6
2	gmi.software	Gdansk	11-50	24	2
3	Grandreves	Wroclaw	11-50	19	6
4	Atmosphere Apps	Rzeszow	11-50	18	1
5	Altconnect	Tarnow	11-50	17	9
6	Goapps	Bialystok	11-50	9	3
7	Iterators Mobile	Warsaw	1-10	8	4
8	Goodsoft	Bialystok	1-10	7	5
9	Enkoss	Cracow	1-10	7	3
10	Codigee	Poznan	11-50	6	4
11	Outline	Warszawa	1-10	6	3
12	Letiko	Warsaw	1-10	5	1
13	appery.io	Warsaw	51-200	3	1
14	Purple Stone	Limanowa	1-10	3	1
15	Mobidatok	Krakow	1-10	2	2
16	Lambda Bird	Warsaw	1-10	2	2
17	Listonic DEV	Lodz	51-200	2	1
18	Soft-Ab	Lodz	1-10	1	1
19	Forkflow	Krakow	1-10	1	1

Showing 19 of 82 cross-platform mobile app developers based in Poland

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Cross-platform mobile app developers based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarsawLargest hub · 17 HQs

12Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cross-platform mobile app developers by metro

Metro	Companies
Cross-platform mobile app developers in Warsaw	17
Cross-platform mobile app developers in Krakow	9
Cross-platform mobile app developers in Warszawa	8
Cross-platform mobile app developers in Wroclaw	7
Cross-platform mobile app developers in Rzeszow	5
Cross-platform mobile app developers in Poznan	5
Cross-platform mobile app developers in Gdansk	4
Cross-platform mobile app developers in Lodz	4

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cross-platform mobile app developers”, with match quality audited by blind human judging, and headquartered in Poland.
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: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cross-platform mobile app developers are there based in Poland?

There are 82 cross-platform mobile app developers headquartered in Poland as of August 2026 (RevenueBase).

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 mobile app developers?

Warsaw leads with 17 headquartered companies, followed by Krakow (9) and Warszawa (8).

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 56 verified decision-maker contacts tracked across these 82 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.