This list covers companies that develop platform-specific iOS and Android applications for US businesses. The comparison considers native engineering capabilities, product design, backend integration, industry experience, testing, modernization, and support after launch.
Gilzor builds native mobile applications directly for iOS and Android, with attention to platform behavior, performance, security, and long-term maintenance. Its wider product development work covers discovery, UX/UI design, backend engineering, quality assurance, application publishing, and support after release. The team also steps into existing products when architecture, stability, or performance problems need to be resolved without starting over.
The company operates from Warsaw and Limassol while supporting product teams targeting the US market remotely. This setup may suit businesses that are comfortable working with a European engineering team and need both the user-facing application and its supporting systems handled within one engagement.
ScienceSoft develops separate native applications for iOS and Android using Swift, Objective-C, Kotlin, and Java. Its mobile services cover product consulting, UX/UI design, backend development, API integration, testing, App Store and Google Play deployment, modernization, and post-launch support.
The company has offices in McKinney, Texas and Atlanta, Georgia. Its project materials cover mobile banking, healthcare, ecommerce, streaming, and internal business applications. ScienceSoft is particularly relevant when a native app needs to connect with an existing web platform, enterprise system, or regulated data environment rather than operate as an isolated consumer product.
Zco develops native iOS and Android apps alongside Flutter, React Native, hybrid, and progressive web applications. For native projects, its developers work with Swift, Kotlin, Objective-C, and Java while using device-specific APIs for capabilities such as GPS, Bluetooth, wearables, and connected hardware.
The company is headquartered in Nashua, New Hampshire, with additional offices in New York and Boston. Its process spans requirements assessment, design, engineering, testing, deployment, and continued product improvement. Zco may be a practical candidate for applications that depend heavily on hardware features, location services, IoT connections, or separate platform-specific experiences.
A-listware creates native applications for Android and iOS as part of a broader mobile engineering service. Its iOS capabilities cover iPhone, iPad, Apple Watch, Apple TV, and App Clips, while its Android work extends to smartphones, tablets, TVs, and Wear OS devices. Design, testing, backend work, maintenance, and developer augmentation are also available.
The company lists a US presence in North Bergen, New Jersey. It can provide a complete project team or add mobile developers to an existing client team, making it relevant to businesses that already have product management or design resources but need more engineering capacity.
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Jafton provides native iOS and Android development from several US locations, including New York, Miami, Frisco, and Los Angeles. Its iOS teams work with Swift and Objective-C, while Android development is offered separately from the company’s hybrid and cross-platform services.
Projects can begin with discovery and interface design before moving through engineering, release preparation, and maintenance. Jafton works with new app concepts as well as existing applications that require further development. Its physical presence in several major US markets may be useful for clients who prefer access to a nearby office during early planning or stakeholder meetings.
Itexus handles the complete mobile product lifecycle, including prototyping, UX/UI design, programming, cloud deployment, testing, store submission, and ongoing support. Its native technology stack includes Swift and Objective-C for iOS and Kotlin and Java for Android. Cross-platform development is available separately through Flutter, React Native, and Xamarin.
Much of the company’s published work relates to fintech, digital banking, healthcare, mobile commerce, business intelligence, and applications involving sensitive information. Itexus has a US office in Dover, Delaware, supported by engineering operations in Poland. It is a more focused option for native products involving payments, financial data, healthcare integrations, or complex backend workflows.
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AppMakers builds separate native applications for iOS and Android using platform-specific technologies such as Swift and Kotlin. Its services cover product scoping, interface design, development, backend work, deployment, and ongoing improvement. Cross-platform development is available, but it is presented as a distinct option rather than being described as fully native.
The company has teams and offices across Los Angeles, Santa Monica, New York, and San Diego. It works with startup founders, established product teams, and larger organizations. AppMakers USA may suit clients who want native development managed by a US-based team and value the option of meeting project managers or engineers in person.
Simpalm develops native Android applications with Kotlin and native iOS applications with Swift. Its broader service includes product planning, UI/UX design, backend and API development, testing, store deployment, code auditing, and technical consulting. React Native, Flutter, and .NET MAUI are available when a shared codebase makes more sense.
Based in Rockville, Maryland, the company serves clients in Washington, DC, Maryland, Virginia, and other parts of the United States. Simpalm is worth considering for apps that require interactive interfaces, external device integrations, or a combination of mobile and web administration tools.
Dogtown Media develops custom iOS and Android applications for startups and enterprise clients. Its platform-specific work includes Swift and SwiftUI for Apple devices and Kotlin, Jetpack Compose, and related Android tools. The company also works with AI, connected devices, augmented reality, and mobile healthcare systems.
The Los Angeles company has published work involving healthcare, financial services, public organizations, and location-aware mobile products. Its native approach is particularly relevant when an application depends on cameras, sensors, background processing, video, or other features where direct access to operating-system frameworks matters.
Mercury Development builds native iOS and Android applications as well as cross-platform products using Flutter and React Native. Its services include discovery, product design, mobile and backend engineering, AI integration, manual testing, automated QA, and continued development after launch.
The company works with startups and enterprise organizations through distributed engineering teams. Its portfolio includes consumer mobile products, internal enterprise apps, Apple TV software, Bluetooth-connected applications, and real-time emergency tools. This range makes Mercury relevant to technically involved projects where mobile development must connect with AI models, media systems, wearable devices, or cloud infrastructure.
TechAhead provides Android and iOS application development from its Los Angeles operation, with additional engineering resources in India. Its iOS capabilities include Swift and Objective-C, while Android development is handled as a dedicated service. The company also offers React Native, Flutter, Xamarin, wearable, IoT, and progressive web development.
Projects can cover initial product planning, design, implementation, modernization, maintenance, and the addition of AI, AR, VR, or connected-device functions. TechAhead may fit companies that want a US-facing product and design team backed by a larger offshore engineering operation.
Chop Dawg develops mobile, web, tablet, wearable, and AI products for startups, nonprofits, and established businesses. Its mobile offering includes fully native applications alongside React Native and other shared-code approaches, allowing the technical direction to be selected after the product requirements are understood.
The company was founded in Philadelphia and operates with a distributed US team. Its engagements commonly include product strategy, prototyping, UX/UI design, application development, launch planning, and continued support. Chop Dawg may appeal to founders who need help turning an early concept into a structured roadmap before choosing between separate native builds and a cross-platform architecture.
Velvetech delivers native iOS and Android applications as part of its full-cycle software development work. Its mobile teams handle interface design, backend architecture, integrations, testing, deployment, and support. The company also develops cross-platform apps, IoT systems, data platforms, AI features, and enterprise automation software.
With offices in Chicago and Miami, Velvetech works with US organizations across healthcare, fintech, insurance, manufacturing, retail, and energy. It is particularly relevant when the mobile application is one component of a wider business system and must communicate with enterprise software, connected hardware, or industry-specific data sources.
Folio3 develops native iOS and Android applications alongside React Native, Flutter, Ionic, and Xamarin products. Its services span product discovery, interface design, development, enterprise integration, testing, deployment, and team augmentation. Published project work includes native iPhone applications, enterprise messaging tools, field applications, and connected business systems.
The company maintains offices in Belmont and Pleasanton, California. Its mobile practice covers retail, agriculture, healthcare, pharmaceuticals, manufacturing, automotive, logistics, and education. Folio3 is a sensible candidate when a native app needs to integrate with ERP software, enterprise data, field operations, or industry-specific platforms.
Intellectsoft develops native applications separately for Apple and Android operating systems, using platform capabilities according to the product’s performance and security requirements. Its mobile services also cover UX/UI, backend systems, AI integration, wearables, connected devices, cross-platform development, and progressive web applications.
The company has a New York City office and works with mid-sized businesses and enterprise organizations. Its industry coverage includes construction, healthcare, fintech, insurance, retail, and travel. Intellectsoft may be suitable for native apps that form part of a larger modernization program or require integrations with AI services, enterprise software, wearable devices, or proprietary hardware.
Native development costs more and usually takes longer than building from a shared codebase, so the decision should come back to what the app genuinely needs. If performance, device integrations, security, offline behavior, or platform-specific design matter to the product, separate iOS and Android builds can be worth the extra work. The companies in this list approach work from different angles, from focused mobile studios to larger engineering teams that can also handle cloud systems, enterprise integrations, and ongoing modernization.
The right shortlist will depend less on company size and more on project fit. Gilzor brings a flexible, full-cycle approach for US businesses comfortable with European delivery, while Itexus has a clearer focus on fintech and data-sensitive products. A-listware can support companies that need extra development capacity, and firms such as ScienceSoft, Zco, AppMakers USA, and Intellectsoft cover larger or more technically involved builds. Before making a final choice, compare relevant native projects, meet the people who would actually work on the app, and ask how they plan to maintain two codebases once the first release is out.
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