Mobile Application Services Companies USA Driving Mobile Innovation

At Lengreo, we focus on delivering customized digital strategies tailored to the challenges of competitive and regulated markets. While our roots are in social media marketing and lead generation, we also provide services as part of the mobile application services companies USA landscape. We help clients plan and execute mobile app initiatives that align with their audience and business goals.

Our experience spans lead generation, SEO, digital marketing, and app-related consulting. We approach each project with precision and structured delivery, ensuring clients benefit from end-to-end support across multiple digital channels.

Specialisatie:

• Leadgeneratie: We start by identifying your exact customer profile and aligning it with your business objectives. Our service includes more than just generating appointments – we advise on retention and conversion with data-backed consulting. Every engagement begins with a free lead sample and workshop tailored to your market.
• SEO: Visibility online is not optional. We leverage years of industry experience to provide SEO strategies built for consistent growth. Our process includes a free audit to uncover opportunities and structure long-term success.
• Digitale marketing: Your mobile presence needs to stay agile. We run biweekly sprint-based cycles for planning, execution, and adjustment. This ensures every effort is aimed at measurable improvement and market relevance.
• Unparalleled Communication: Our team is available seven days a week. We support you throughout each stage with clarity and responsiveness. Every partnership begins with a free workshop to define direction and evaluate strategy.

Services:

• Leadgeneratie
• B2B digitale marketing
• SEO-diensten
• Diensten voor sociale media en contentmarketing
• Betaalde advertentieservices
• Diensten voor vraaggeneratie
• Mobile Application Marketing and Strategy

Hoofdzaken:

• Strategy-first approach to mobile app support and marketing
• Structured lead generation built on defined audience and data
• Flexible delivery cycle and always-on client communication

Belangrijkste prestaties:

• Well-reviewed on Upwork, Trustpilot, and Clutch
• Known for effective strategic consulting and audience engagement

Contact- en sociale media-informatie:

• Website: Lengreo
• Contact Email: hallo@lengreo.com  
• Telefoonnummer: +31 686 147 566
• LinkedIn: Lengreo
• Twitter: @Lengreo
• Instagram: @lengreo

Our cases

SEO for BIM & VDC Services Provider

PPC For Adult Content Platform

Biological Age Blood Testing Kit

ELEKS was founded in 1991 and is headquartered in Europe with offices and delivery centers in the United States. The company offers full-cycle mobile application development services, working on projects for wearable devices including Android Wear and Apple Watch. It also delivers apps for logistics, legal timekeeping, and enterprise workflows.

Its development process includes requirement analysis, interface design, iterative coding, quality assurance testing, and application launch. ELEKS also provides post-launch maintenance and upgrades, and it supports integration of mobile apps with backend systems such as CRM, billing, and cloud data services.

Hoofdzaken:

• Specializes in custom software and mobile app development
• Skilled in enterprise-grade security, high performance, and deep system integration
• Serves a variety of industries, including healthcare, finance, and logistics

Services:

• Mobile application development (iOS and Android)
• Web and SaaS development
• UI/UX design and prototyping
• Data engineering and AI integration
• QA, testing, and ongoing support

Contact- en sociale media-informatie:

• Website: eleks.com
• Address: 625 W.Adams Str., Chicago, IL 60661
• Phone: +1 708 967 4803
• LinkedIn: www.linkedin.com/company/eleks
• Twitter: x.com/ELEKSSoftware
• Facebook: www.facebook.com/ELEKS.Software

Trango Tech was founded in the early 2010s and operates development centers in multiple U.S. states. The company delivers mobile software such as native iOS and Android apps, cross-platform solutions, and business workflow tools. Its teams handle tasks from conceptual planning to app store release and ongoing optimization.

The company’s workflow includes platform evaluation, interface prototyping, iterative development, quality testing, deployment, and long-term support. It offers post-launch services such as performance updates, compatibility testing, and integration with payment gateways or enterprise systems.

Hoofdzaken:

• Combines mobile app development with full-stack web capabilities
• Delivers cross-platform architectures, API integration, and robust backends
• Works with projects in healthcare, education, and retail sectors

Services:

• Ontwikkeling van mobiele applicaties
• Web application development
• UI/UX-ontwerp
• System integrations and backend services
• Onderhoud en ondersteuning

Contact- en sociale media-informatie:

• Website: trangotech.com
• Address: 459 Columbus Ave unit 1090, New York, NY 10024, United States
• Email: info@trangotech.com
• Phone: +18 334422270
• LinkedIn: www.linkedin.com/company/trangotech
• Twitter: twitter.com/TrangoTech
• Facebook: www.facebook.com/trangotech
• Instagram: www.instagram.com/trango_tech

SDLC Corp was founded in 2015 and is headquartered in San Francisco with development operations in Asia. It provides native mobile application development for iOS and Android, as well as hybrid app solutions. The company serves industries such as fintech, healthcare, logistics, and retail and handles work ranging from customer-facing mobile apps to internal enterprise tools.

Its process starts with stakeholder requirement gathering and design prototyping, followed by native development or hybrid implementation, manual and automated testing, and deployment. The company also offers post-release services including bug fixing, UI/UX updates, and performance monitoring. It supports backend integrations such as secure payment systems, data analytics platforms, and enterprise services.

Hoofdzaken:

• Focuses on rapid delivery of app and software projects
• Offers flexible team integration and ongoing development support
• Experienced across fintech, logistics, and real estate domains

Services:

• Ontwikkeling van mobiele applicaties
• Web and custom software development
• UI/UX-ontwerp
• Blockchain, AI, and IoT development
• QA and DevOps support

Contact- en sociale media-informatie:

• Website: sdlccorp.com
• Address: 5214f Diamond Heights Blvd, San Francisco, California, US, 94131
• Phone: +1 618 615 4906
• E-mail: sales@sdlccorp.com
• LinkedIn: www.linkedin.com/company/sdlccorp
• Twitter: x.com/sdlccorp
• Facebook: www.facebook.com/SDLCcorp
• Instagram: www.instagram.com/sdlccorp

TekRevol was founded in 2018 and delivers mobile application development services across multiple industry sectors. The company works on both native and cross-platform applications, including those built for iOS and Android environments. Its teams handle the full application lifecycle from early planning and wireframe creation through to testing and deployment. 

TekRevol also implements features such as in-app payments, voice-enabled interactions, and chatbot integrations. In addition to frontend interfaces, it provides backend connectivity to third-party services, cloud systems, and internal business software. 

Hoofdzaken:

• Designs mobile apps with performance, scalability, and marketing integration in mind
• Provides deep expertise in backend architecture and third-party integrations
• Serves clients in e‑commerce, real estate, and fintech sectors

Services:

• Ontwikkeling van mobiele applicaties
• Web app development
• UI/UX-ontwerp
• Platform optimization and consulting
• Migration and API services

Contact- en sociale media-informatie:

• Website: www.tekrevol.com
• Address: 510 5th Ave 3rd floor, New York, NY 10036
• Phone: +1 800-362-9239 
• Email: info@tekrevol.com
• LinkedIn: www.linkedin.com/company/tekrevol
• Twitter: x.com/tekrevol
• Facebook: www.facebook.com/tekrevolofficial
• Instagram: www.instagram.com/tekrevol

The NineHertz was founded in 2008 and focuses on end-to-end mobile application development. The company provides services for both new app builds and modernizing existing applications across different platforms. It develops native, cross-platform, and hybrid apps as well as software for wearable devices. 

The company also supports technologies such as augmented reality, geolocation tracking, and integrated payment systems within mobile interfaces. It works with clients across sectors including gaming, e-learning, retail, and real estate. Post-deployment services include version upgrades, bug resolution, and platform compliance updates. 

Hoofdzaken:

• Offers end‑to‑end mobile and web development with immersive technology support
• Delivers agile development and structured sprint cycles
• Specialized in AR/VR and enterprise mobile experiences

Services:

• Ontwikkeling van mobiele applicaties
• Web application development
• AR/VR app development
• UI/UX-ontwerp
• Backend and cloud integration

Contact- en sociale media-informatie:

• Website: theninehertz.com
• Address: 925 Battery Ave SE, Atlanta, GA, USA
• Phone: (315) 381-4100
• LinkedIn: linkedin.com/company/nine-hertz-india-pvt-ltd-
• Facebook: www.facebook.com/NineHertz
• Twitter: x.com/TheNineHertz
• Instagram: www.instagram.com/theninehtz

Appinventiv was founded in 2015 and provides mobile application development services for enterprises and startups. The company builds applications for Android, iOS, web, wearable, and cross-platform environments. It supports the entire development process from requirement analysis and wireframe design to backend engineering and testing. 

The company also offers post-launch monitoring and software iteration support. Appinventiv has worked on mobile applications that include food delivery, logistics tracking, fintech tools, and enterprise communications. Its services include cloud-based data storage setup, analytics integration, and secure payment system embedding. 

Hoofdzaken:

• Provides mobile app development with backend and full‑stack support
• Guides projects from initial concept through deployment and scaling
• Known for working with both enterprise clients and early‑stage startups

Services:

• Ontwikkeling van mobiele applicaties
• Web and mobile app support
• UI/UX-ontwerp
• Product strategy and consulting
• QA and maintenance

Contact- en sociale media-informatie:

• Website: www.appinventiv.com
• Address: 79 Madison Ave Manhattan, NY 10001, USA
• Phone: +1 646 585 0501
• LinkedIn: www.linkedin.com/company/appinventiv
• Twitter: x.com/appinventiv
• Facebook: www.facebook.com/appInventiv
• Instagram: www.instagram.com/appinventiv

CMARIX was founded in 2009 and delivers mobile application development for various industries. The company builds native and hybrid apps and also provides web-based mobile interfaces. Its services include backend system integration, interface prototyping, and long-term application support. It manages both new product builds and modernization of existing mobile systems.

Mobile app projects are carried out through stages of requirement mapping, user interface design, iterative coding, testing, deployment, and post-launch updates. CMARIX also offers technical audits for mobile platforms, security improvement services, and performance evaluations. Their teams handle user feedback integration and version updates during the maintenance phase of product cycles.

Hoofdzaken:

• Combines mobile app development with scalable backend architecture and API design
• Offers support for enterprise-grade mobile platforms and cross-device consistency
• Experienced in handling localization and multilingual mobile deployments

Services:

• Ontwikkeling van mobiele applicaties
• Web and mobile app support
• UI/UX-ontwerp
• SaaS and CRM mobile integration
• QA and performance testing

Contact- en sociale media-informatie:

• Website: www.cmarix.com
• Address: 32572 Miller Ct. Temecula, CA 92592
• Phone: +1 415-704-4242
• E-mail: biz@cmarix.com

RipenApps works on mobile application development across consumer and business sectors. The company provides design, engineering, and deployment services for mobile software on both major platforms. It supports cross-device compatibility and adapts application workflows for devices ranging from phones to tablets.

Its development workflow includes concept definition, wireframing, design, programming, system integration, testing, and deployment. RipenApps also offers performance monitoring, user analytics setup, and regular update cycles. It manages both single-function mobile apps and more complex multi-service platforms, including those that support data-driven functions and user interaction tracking.

Hoofdzaken:

• Specializes in native and cross‑platform mobile app development
• Focuses on user engagement and scalable backend systems
• Works across healthtech, fintech, and on‑demand services

Services:

• Ontwikkeling van mobiele applicaties
• UI/UX-ontwerp
• Backend and API development
• MVP development and prototyping
• QA and maintenance

Contact- en sociale media-informatie:

• Website: www.ripenapps.com
• Address: 3200 Guasti Road, Suite 100, City of Ontario, California, 91761 USA
• Phone: +1 (909) 545-6715
• E-mail: info@ripenapps.com
• LinkedIn: www.linkedin.com/company/ripenapps
• Twitter: x.com/RipenAppsTech
• Instagram: www.instagram.com/ripenapps
• Facebook: www.facebook.com/ripenapps

Brainvire delivers mobile application services as part of broader software development work. The company handles native, cross-platform, and hybrid app creation for clients in commerce, logistics, education, and healthcare. It builds applications with offline functionality, user management systems, and real-time data handling.

The company’s project process includes discovery sessions, design mockups, multi-phase development, functional testing, and launch planning. Brainvire supports applications after release through maintenance contracts that cover software updates, compatibility checks, and security improvements. It also handles migration of legacy mobile systems to newer frameworks.

Hoofdzaken:

• Delivers mobile and enterprise apps with built‑in analytics and integration layers
• Offers support for e‑commerce, finance, and retail mobile ecosystems
• Known for multilingual and multi‑region deployment capabilities

Services:

• Ontwikkeling van mobiele applicaties
• e‑commerce and SaaS mobile integration
• UI/UX and custom plugin development
• Web and mobile app support
• QA and maintenance

Contact- en sociale media-informatie:

• Website: www.brainvire.com
• Address: P.O. Box 4607, Al Khobar, 31952 Kingdom of Saudi Arabia
• Phone: +96 656 9480292
• E-mail: info@brainvire.com
• LinkedIn: www.linkedin.com/company/brainvire-infotech-inc
• Twitter: x.com/Brainvire
• Facebook: www.facebook.com/Brainvire

ManekTech offers mobile application development services across industries such as healthcare, real estate, retail, and logistics. The company builds both native and cross-platform apps, including those linked to enterprise systems. Its services cover requirement gathering, user interface design, iterative development, backend integration, and long-term maintenance.

Mobile app projects proceed through stages of design, development, testing, launch, and ongoing support. ManekTech provides application updates, performance monitoring, API connectivity, and security enhancements. Their teams also execute modernization of aging mobile applications and addition of new modules post-deployment.

Hoofdzaken:

• Builds native, hybrid, and progressive mobile applications
• Offers plugin and admin panel integration with backend systems
• Provides support for both app development and deployment phases

Services:

• Ontwikkeling van mobiele applicaties
• Web and hybrid app services
• UI/UX-ontwerp
• Custom software engineering
• QA and maintenance

Contact- en sociale media-informatie:

• Website: www.manektech.com
• Address: 4100 NW Loop 410, Suite 200, San Antonio, Texas, USA 78229
• Phone: +918511428441
• E-mail: info@manektech.com​
• LinkedIn: www.linkedin.com/company/manektech
• Twitter: x.com/manektech
• Facebook: www.facebook.com/ManekTech-191482567545069
• Instagram: www.instagram.com/manektech

LeewayHertz was founded in 2007 and develops native, hybrid, and wearable mobile applications. The company delivers apps that use features such as computer vision, voice interactions, and real-time data streaming. Its mobile projects often support business integration, automating tasks such as billing, scheduling, and remote monitoring.

Development follows a structured process including design scoping, interface prototyping, coding, integration with cloud services, testing, deployment, and updates. LeewayHertz also supports backend scalability and includes support for voice assistants, machine learning, decentralized networks, and analytics tracking within its mobile solutions.

Hoofdzaken:

• Offers mobile app development with blockchain and IoT integration
• Focuses on cutting-edge technologies including AI, AR, and wearable devices
• Serves clients in supply chain, financial services, and healthcare

Services:

• Ontwikkeling van mobiele applicaties
• Blockchain and IoT integration
• UI/UX-ontwerp
• Product engineering and consulting
• QA and support

Contact- en sociale media-informatie:

• Website: www.leewayhertz.com
• Address: Saaha Offices Souk Al Bahar – 530 B, Dubai – United Arab Emirates
• Phone: +971505017371
• E-mail: sales@leewayhertz.com
• LinkedIn: www.linkedin.com/company/leewayhertz-technologies
• Twitter: x.com/LeewayHertz
• Facebook: www.facebook.com/LeewayHertz

Zazz was founded in 2009 and offers application development for web, cloud, and mobile platforms. It provides engineering services for consumer-facing, internal business, and government apps. The company builds mobile software that connects with cloud systems, implements push notifications, and supports offline functionality.

Its project methodology covers conceptual planning, interface design, development, testing, deployment, and support. Zazz delivers application tuning, bug resolution, compatibility checks, and system enhancements after launch. The company also integrates mobile apps with third-party services and database systems to support business operations.

Hoofdzaken:

• Creates mobile‑first applications with seamless user experiences
• Offers API integration, performance testing, and maintenance
• Applies agile methodology to support iterative development

Services:

• Ontwikkeling van mobiele applicaties
• Web and mobile app support
• UI/UX-ontwerp
• Cloud and platform integration
• QA and DevOps support

Contact- en sociale media-informatie:

• Website: www.zazz.io
• Address: 795 Folsom Street, 1st Floor, San Francisco, CA 94103, USA
• LinkedIn: www.linkedin.com/company/zazz-io
• Twitter: x.com/Zazz_Official
• Facebook: www.facebook.com/Zazz.Official
• Instagram: www.instagram.com/zazz.io

ScienceSoft was founded in 1989 and transitioned into mobile application development as part of its broader software services. The company delivers native and cross-platform applications and also works on wearable and progressive mobile systems. It serves business sectors such as retail, healthcare, banking, and logistics.

ScienceSoft handles mobile development through structured steps including planning, wireframe design, coding, testing, deployment, and long-term support. It also offers modernization of outdated mobile software through refactoring, performance tuning, and updated interface design. Applications are often linked with internal enterprise systems or integrated with third-party platforms.

Hoofdzaken:

• Provides mobile and enterprise apps with strong security and compliance
• Offers development across iOS, Android, and cross‑platform frameworks
• Delivers full integration with internal systems and analytics tools

Services:

• Ontwikkeling van mobiele applicaties
• Web application development
• UI/UX-ontwerp
• IT consulting and system integration
• QA and testing

Contact- en sociale media-informatie:

• Website: www.scnsoft.com
• Address: 5900 S. Lake Forest Drive, Suite 300, McKinney, Dallas area, TX-75070
• Phone: +1 214 306 6837
• E-mail: contact@scnsoft.com
• Facebook: www.facebook.com/sciencesoft.solutions
• Twitter: x.com/ScienceSoft
• LinkedIn: www.linkedin.com/company/sciencesoft

Dev Technosys was founded in 2010 and builds mobile applications for consumer services, logistics, e-commerce, and education. Its teams deliver native, cross-platform, and hybrid apps along with complementary backend systems. It also works on cloud-based mobile platforms and connected device software.

The company’s workflow includes initial requirement analysis, design prototypes, modular development, functional testing, live deployment, and follow-up maintenance. Dev Technosys supports system scaling, operating system compatibility updates, and integration with tools such as payment processors or internal databases.

Hoofdzaken:

• Develops native and cross‑platform mobile apps with e‑commerce and fintech focus
• Offers MVP creation, prototyping, and scalable backend services
• Provides full lifecycle development including deployment and monitoring

Services:

• Ontwikkeling van mobiele applicaties
• Web application development
• e‑commerce and fintech app development
• UI/UX and QA
• Backend and API systems

Contact- en sociale media-informatie:

• Website: devtechnosys.com
• Address: 5668 e 61st street ste 2000 #360 commerce, california 90040, USA
• Phone: +1 415-992-5493
• E-mail: info@devtechnosys.com
• LinkedIn: www.linkedin.com/company/dev-technosys-pvt-ltd
• Twitter: x.com/devtechnosys
• Facebook: www.facebook.com/devtechnosys
• Instagram: www.instagram.com/devtechnosys

Simpalm develops mobile software across various platforms including Android, iOS, and hybrid technologies. It serves clients in healthcare, public services, finance, and education. The company also provides design and frontend development in support of its mobile projects.

Its development lifecycle includes concept refinement, wireframe creation, technical implementation, testing, app store submission, and regular updates. Simpalm offers backend integration, support for geolocation features, and post-launch troubleshooting. Applications are adapted for multiple screen types and connected to existing digital systems where required.

Hoofdzaken:

• Offers mobile app development for nonprofits, healthcare, and B2B
• Delivers custom solutions with backend systems and integrations
• Provides responsive support and maintenance post‑launch

Services:

• Ontwikkeling van mobiele applicaties
• Web app development
• UI/UX-ontwerp
• Backend services and integrations
• QA and maintenance

Contact- en sociale media-informatie:

• Website: simpalm.com
• Address: 11821 Parklawn Drive, Suite 130 Rockville, MD 20852
• Phone: +1-301-825-5215
• E-mail: contact@simpalm.com
• LinkedIn: www.linkedin.com/company/simpalm
• Facebook: www.facebook.com/Simpalm