All Services Programming & Development Smart Phone Applications $20/hr · Starting at $200 GrayCell Technologies has a team of mobile professionals with expertise in both native apps including iOS / Android and cross platform apps based on HTML 5 / PhoneGap and Xamarin. Our team is skilled with developing apps using Kotlin, Flutter and Swift as well. We have worked across a wide variety of projects including iPhone Games, Productivity apps, Recreational apps and educational apps. About $20/hr · Ongoing Download Resume GrayCell Technologies has a team of mobile professionals with expertise in both native apps including iOS / Android and cross platform apps based on HTML 5 / PhoneGap and Xamarin. Our team is skilled with developing apps using Kotlin, Flutter and Swift as well. We have worked across a wide variety of projects including iPhone Games, Productivity apps, Recreational apps and educational apps. Skills & Expertise Android DevelopmentAndroid ProgrammingAndroid SDKFlutterHTML5iOS DevelopmentiOS ProgrammingIpad DevelopmentIphone App DevelopmentIphone Application DevelopmentIphone DevelopmentIphone SdkKotlinKotlin DevelopmentMobileMobile Application DevelopmentPhoneGapSQLiteSwiftSwift ProgrammingWindows PhoneXamarinXamarin Form Design Related Work Collections Smartphone / Tablet Applications ASP.NET Applications Rich Internet Applications Graphic Design Services 142 Reviews Chris SSD says, Great to work with. Thanks Amit. for Woocommerce, WordPress & PHP Developers on Feb 15, 2022 Daniel Khalil says, Very thorough and well documented work, much appreciated! for Website Testing on Jan 11, 2022 Chris SSD says, Excellent work & communication once again. Thank you. for Woocommerce, WordPress & PHP Developers on Jan 10, 2022 Chris SSD says, Extensions of original project. Again, good communication, good work. Thanks Graycell. for Woocommerce, WordPress & PHP Developers on Aug 09, 2021 Chris SSD says, Great communication. Responsive. Good work. Thanks Amit & GrayCell. for Woocommerce, WordPress & PHP Developers on Aug 04, 2021 Sign up or Log in to see more. Browse Similar Freelance Experts PHP DevelopersHTML DevelopersASP.NET DevelopersSoftware DevelopersWordPress ExpertsAJAX DevelopersHTML5 DevelopersASP DevelopersOutsourcing ConsultantsMicrosoft SQL Server ManagersCakePHP DevelopersSQL DevelopersJavaScript DevelopersCodeIgniter DevelopersMySQL DevelopersResponsive WordPress Theme DesignersWeb Application DevelopersC# ProgrammersResponsive Web DesignersWeb DesignersWordPress Plugin DevelopersComputer Programmers.Net DevelopersMagento Developers