# Best Cross-Platform Developers in Warszawa, mazowieckie ## How Many Cross-Platform Developers Products Does G2 Track? **Total Products under this Category:** 1,083 ### Category Stats (Jul 2026) - **Average Rating:** 4.65/5 The average rating of products in this category, based on all submitted ratings - **Top Trending Product:** Promatics (+1.36%) - Among all products in this category, Promatics recorded the largest rating increase compared to last month _Last updated: July 31, 2026_ ## How Does G2 Rank Cross-Platform Developers Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 1,100+ Authentic Reviews - 1,083+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. ## G2 Grid® for Cross-Platform Developers ![G2 Grid® for Cross-Platform Developers plotting products by satisfaction and market presence](https://www.g2.com/categories/cross-platform-developers/grids.png?focus%5B%5D=1343514&focus%5B%5D=153432&focus%5B%5D=1281539&focus%5B%5D=169874&focus%5B%5D=33025&focus%5B%5D=69999&focus%5B%5D=28228&focus%5B%5D=106814) Highlighted products: Empat, Trigma, Suffescom Solutions Inc, Teravision Technologies, Net Solutions, Mercury Development, Designli, and Chop Dawg. Underlying data: [Grid® JSON](https://www.g2.com/categories/cross-platform-developers/grids.json?focus%5B%5D=empat&focus%5B%5D=trigma&focus%5B%5D=suffescom-solutions-inc&focus%5B%5D=teravision-technologies&focus%5B%5D=net-solutions&focus%5B%5D=mercury-development&focus%5B%5D=designli&focus%5B%5D=chop-dawg) **Sponsored** ### Firebase Firebase is a comprehensive platform developed by Google that provides a suite of tools and services designed to help developers build, improve, and grow applications across various platforms, including iOS, Android, and the web. By offering a serverless infrastructure, Firebase enables developers to focus on creating engaging user experiences without the complexities of backend management. Key Features and Functionality: - Real-time Databases: Firebase offers both the Realtime Database and Cloud Firestore, allowing developers to store and sync data across clients in real-time. These NoSQL databases are optimized for offline use and automatically scale with your application. - Authentication: Provides easy-to-integrate authentication services, supporting various sign-in methods, including email/password, phone numbers, and federated identity providers like Google and Facebook. - Cloud Functions: Enables the execution of server-side code in response to events triggered by Firebase features and HTTPS requests, allowing for the creation of complex backend logic without managing servers. - Hosting: Offers fast and secure hosting for web applications, delivering content through a global content delivery network (CDN) with automatic SSL certificates. - Cloud Messaging: Facilitates the sending of targeted notifications and messages to users across platforms, enhancing user engagement and retention. - Analytics and Performance Monitoring: Integrates with Google Analytics to provide insights into user behavior and app performance, helping developers make data-driven decisions. Primary Value and Solutions Provided: Firebase simplifies the app development process by offering a unified platform that handles backend services, real-time data synchronization, user authentication, and more. This allows developers to focus on building feature-rich applications without the overhead of managing infrastructure. By leveraging Firebase's scalable and secure environment, developers can accelerate time-to-market, ensure app stability, and deliver personalized user experiences, ultimately leading to higher user satisfaction and engagement. [Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list_llm&secure%5Bcategory_id%5D=1053&secure%5Bchosen_at%5D=2026-07-31T21%3A45%3A11Z&secure%5Bdisplayable_resource_id%5D=480&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=retargeted_product&secure%5Bplacement_resource_ids%5D%5B%5D=1912&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=1912&secure%5Bresource_id%5D=1053&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fcross-platform-developers%2Flocations%2Fwarszawa-mazowieckie-pl&secure%5Btoken%5D=5e37521e1f9c1e0c57d1ad071dd54df3adf09112c8b91c195b55079015d277d7&secure%5Burl%5D=https%3A%2F%2Ffirebase.google.com%2Ffirebase-and-gcp%2F%3Futm_source%3DG2%26utm_medium%3Ddisplay%26utm_campaign%3DCloud-SS-DR-GCP-1713658-GCP-DR-NA-US-en-G2-Display-Banner-All-%25epid%21-%25ecid%21-firebase%26utm_content%3D%257Bdevice%257D-%257Badgroupid%257D-%257Bnetwork%257D-%257Btargetid%257D-%257Bloc_physical_ms%257D-%257Bcampaignid%257D&secure%5Burl_type%5D=custom_url) ### [AlterPage](https://www.g2.com/products/alterpage/reviews) Our company specializes in creating tailored solutions such as partnership programs, mobile applications and 3D wizards. #### Who Is the Company Behind AlterPage? - **Seller:** [AlterPage](https://www.g2.com/sellers/alterpage) - **Year Founded:** 2013 - **HQ Location:** Warszawa, PL - **Twitter:** @alterpage 12 Twitter followers - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=8a7dfd54a1e45b54f945e02ff58644ed4e38f268a478ec9b709f3ec06604c714&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Falterpage&secure%5Burl_type%5D=linkedin_company_website) 9 employees on LinkedIn® ### [FUN and MOBILE](https://www.g2.com/products/fun-and-mobile/reviews) FUN and MOBILE is a software development house specializing in mobile and web applications. #### Who Is the Company Behind FUN and MOBILE? - **Seller:** [FUN and MOBILE](https://www.g2.com/sellers/fun-and-mobile) - **Year Founded:** 2006 - **HQ Location:** Warsaw, PL - **Twitter:** @funandmobile 83 Twitter followers - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=18c21bbe8bc566a53b34667a8d82ae3157ac9e08378814e9a8f1ca04b3113e8e&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Ffun-and-mobile&secure%5Burl_type%5D=linkedin_company_website) 9 employees on LinkedIn® ### [Inspire Labs](https://www.g2.com/products/inspire-labs/reviews) Our team is a group of Internet communication technology enthusiasts. #### Who Is the Company Behind Inspire Labs? - **Seller:** [Inspire Labs](https://www.g2.com/sellers/inspire-labs) - **HQ Location:** N/A - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=c513f48501f609015d4afadca61193741c922721d711c016486c95fc2ddce9af&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Ffast-delivery-qa%2F&secure%5Burl_type%5D=linkedin_company_website) 1 employees on LinkedIn® ### [Move Closer](https://www.g2.com/products/move-closer/reviews) We're a team of dedicated proffesionals who work with digital projects on every stage of development. **Average Rating:** 3.0/5.0 **Total Reviews:** 1 #### Who Is the Company Behind Move Closer? - **Seller:** [Move Closer](https://www.g2.com/sellers/move-closer) - **Year Founded:** 2012 - **HQ Location:** Warszawa, PL - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=b1be020a44eee866be82eced30f67853b3c12dfe97c13dfd3d9153d29e427048&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fmove-closer-sp-z-o-o-&secure%5Burl_type%5D=linkedin_company_website) 19 employees on LinkedIn® #### Who Uses This Product? - **Company Size:** 100% Large ### [Navyug Infosolutions](https://www.g2.com/products/navyug-infosolutions/reviews) Navyug Infosolutions is led by professionals from India's top institutions (IIT, BITS, NITs & Indian Army) delivering web & mobile app development services for you. #### Who Is the Company Behind Navyug Infosolutions? - **Seller:** [Navyug Infosolutions](https://www.g2.com/sellers/navyug-infosolutions) - **Year Founded:** 2010 - **HQ Location:** Noida, IN - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=1bd51f1edb3f2b8b34ebc90ac328269925cc5deaf9fb13345ab966e9739cd244&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fnavyug-infosolutions-pvt-ltd-%2F&secure%5Burl_type%5D=linkedin_company_website) 146 employees on LinkedIn® ### [Visuality](https://www.g2.com/products/visuality/reviews) Visuality is a Ruby on Rails development firm. #### Who Is the Company Behind Visuality? - **Seller:** [Visuality](https://www.g2.com/sellers/visuality) - **Year Founded:** 2007 - **HQ Location:** Warszawa, PL - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=81492821cce67bd34684068d18fc070c947cb348302590015d690fab54acab14&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fvisualitypl&secure%5Burl_type%5D=linkedin_company_website) 50 employees on LinkedIn® ### [XSolve](https://www.g2.com/products/xsolve/reviews) XSolve is a company operating in the worldwide market for 12 years now. #### Who Is the Company Behind XSolve? - **Seller:** [XSolve](https://www.g2.com/sellers/xsolve) - **Year Founded:** 2004 - **HQ Location:** Gliwice, PL - **Twitter:** @xsolve 595 Twitter followers - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=d8b65a67b61f6eee2cff5818263318552de784c959444599e1e5af3202b79b19&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fboldarecom%2F&secure%5Burl_type%5D=linkedin_company_website) 77 employees on LinkedIn® Spotlight Categories [Employee Engagement Software](https://www.g2.com/categories/employee-engagement) [Sales Training and Onboarding Software](https://www.g2.com/categories/sales-training-and-onboarding) [Event Registration and Ticketing Software](https://www.g2.com/categories/event-registration-ticketing) [Multi-Country Payroll Software](https://www.g2.com/categories/multi-country-payroll) [Business Process Management Software](https://www.g2.com/categories/business-process-management) Similar Categories - [Android Developers](/categories/android-developers) - [Internet of Things (IoT) Developers](/categories/internet-of-things-iot-developers) - [iOS Developers](/categories/ios-developers) - [Wearable App Development](/categories/wearable-app-development) - [Windows Developers](/categories/windows-developers) [Browse Cross-Platform Developers Themes](/categories/cross-platform-developers/themes) ![Adam Crivello](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Adam Crivello") AC Researched and written by [Adam Crivello](https://research.g2.com/insights/author/adam-crivello) Updated October 3, 2024 Cross-platform development firms specialize in the production of applications that are compatible across various operating systems. Cross-platform [mobile app developers](https://www.g2.com/categories/mobile-app-development) commonly offer application development services for [iOS](https://www.g2.com/categories/ios-developers) and [Android](https://www.g2.com/categories/android-developers) devices, and assist product and development teams within organizations design and build apps with equal functionality across platforms. Many cross-platform developers also offer services for [wearable apps](https://www.g2.com/categories/wearable-app-development) and [internet of things (IoT)](https://www.g2.com/categories/internet-of-things-iot-developers) applications. Cross-platform mobile development often goes hand in hand with [web development](https://www.g2.com/categories/web-developers) to supplement a software product or web service with a related mobile feature. Businesses can build or update cross-platform applications in house using [mobile development software](https://www.g2.com/categories/mobile-development). 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