Business Details
24 Years
experience
Custom Mobile App Development in Plano, TX
Founded in 2002, Semaphore Mobile has established itself as a leading mobile app development company in North Texas. Based in Plano, our team of 15 dedicated professionals has delivered over 800 custom applications, serving clients from startups to Fortune 500 companies. Our comprehensive approach spans mobile app development, IoT solutions, and server deployment, utilizing cutting-edge technologies like Swift, React Native, and Ruby on Rails. We prioritize client collaboration through 10 structured development steps, ensuring alignment with project goals at every stage. Our expertise in telecommunications and IoT spans 35 years, led by CEO Eric Silverthorn, a seasoned entrepreneur with deep industry experience.We maintain rigorous quality standards through continuous testing protocols and post-launch support, adapting to evolving technological landscapes. Our client-centric philosophy emphasizes transparent communication, evidenced by weekly feedback integration and 24/7 project accessibility. With a proven track record in commercial, medical, and industrial IoT applications, we combine technical proficiency with strategic guidance to transform app concepts into market-ready solutions.
Services
Mobile App Development
IoT Development
Server Deployment
App Maintenance
Custom Software Solutions
Details
- Year established: 2002
Highlights and features
- 35+ years of IoT and telecommunications expertise
- 800+ mobile applications successfully deployed
- 10-step development process with weekly feedback
- 24/7 project accessibility and support
- Proven track record with Fortune 500 clients
What people say
Positive experience
Tackling complex problems
Straightforward communication
Goals achieved
Impressive background
Services
Mobile App Development
We develop custom mobile applications from initial wireframes to App Store deployment. Our 10-step process includes weekly reviews, technical workshops, and client-guided design choices. With expertise in Swift, Java, and React Native, we deliver cross-platform solutions that maintain 90% client satisfaction ratings through continuous updates and maintenance programs.
IoT Development
Our IoT solutions integrate commercial, medical, and industrial systems through custom hardware-software configurations. With 35 years of telecommunications expertise, we implement energy-efficient connected devices for aeronautical and environmental applications. Our engineers ensure seamless data transmission and security compliance across complex network architectures.
Server Deployment
We construct customized server infrastructures using Ruby on Rails and .NET technologies. Our backend team collaborates with client IT departments to implement scalable cloud solutions. We maintain 95% system uptime through rigorous testing protocols and provide ongoing optimization services for evolving business requirements.
App Maintenance
Our maintenance packages ensure applications remain compatible with OS updates and security standards. We monitor performance metrics, implement feature enhancements, and provide emergency bug fixes. With 24/7 support access, clients receive timely updates that maintain 85% user retention rates post-launch.
Custom Software Solutions
We create bespoke software integrating emerging technologies like AI agents and no-code tools. Our developers implement solutions matching specific business workflows, with 80% of projects completed within original budget parameters. We provide source code documentation and training for long-term client autonomy.
People
Eric Silverthorn
CEO
Serial entrepreneur with 35+ years in mobile software and IoT development. Led Semaphore Mobile since 2002, specializing in telecommunications infrastructure and aeronautical IoT solutions.
Renee
Director of Project Management
Manages cross-functional teams through 10-phase development process. Ensures timely delivery of 800+ apps built since company inception while maintaining client communication standards.
Jeff
Director of Technology
Oversees technical implementation of Swift, React Native, and Ruby on Rails solutions. Maintains 95% code quality standards through automated testing frameworks and peer review systems.
Mark
Project Management
Coordinates client requirements with development teams. Implements weekly feedback cycles that improved project success rates by 40% over five years of service.
Jonah
Director of Sales
Connects technical capabilities with business objectives for Fortune 500 clients. Maintains 90% client retention through transparent communication about project timelines and deliverables.
Questions
What mobile platforms do you develop for?
We specialize in iOS (Swift/OBJ-C), Android (Java), React Native, and Flutter frameworks for cross-platform compatibility.
How long does app development take?
Average projects complete in 4-6 months using our 10-step process, with milestone-based progress tracking available weekly.
Do you handle post-launch support?
Yes, our maintenance packages include OS updates, security patches, and feature enhancements with 24/7 emergency support access.
What industries do you serve?
We work across commercial, medical, aeronautical, and industrial sectors with specialized IoT implementation expertise.
Can you integrate AI technologies?
Our developers implement AI agents and machine learning solutions tailored to specific business workflows and user needs.
How do you ensure project success?
Through weekly feedback cycles, rigorous testing protocols, and transparent communication maintaining 90% client satisfaction rates.
Reviews (4)
David McMahon
Dec 23, 2021
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Eric & his crew are top notch developers. Everything they create is rock-solid with seamless, intuitive user experiences. And they're easy to work with, which always helps. I will definitely be calling on them again in the future for app development work.
Grant Riley
May 21, 2021
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The team at Semaphore Mobile has been supporting our apps for several years, always offering both high quality coding and excellent customer service.
Stuart Rosenfield
Feb 16, 2021
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Eric and team are very smart and easy to work with. They quickly assessed our issues and product requirements and gave us a proposal that was thorough and provided us options for our product direction. Semaphore had the expertise and integrity we were looking for in an app developer.
Mark Robinson
Oct 09, 2020
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Eric is a great resource for helping navigate the complex issues we all run into from time to time with software. They are a responsive organization with strong business and technology leadership.
