Custom Software Development Web • Desktop • Mobile
From idea to launch — we build web, desktop, and mobile applications that drive results and efficiency.
- Agile delivery
- Security first
- Transparent pricing
- Post-launch support
Why choose KingSEO?
- Tailor-made solutions — no templates, aligned to your goals.
- Experienced Vietnam-based team — high quality at optimal cost.
- Security & scalability — built-in best practices for growth.
- Transparent pricing — clear scope and milestones, no hidden fees.
- End-to-end support — planning, delivery, training, and maintenance.
What we build
Web Applications
Access everywhere with clean UI, strong APIs, and reliable databases.
Desktop Software
High performance, offline-first, hardware integration, license management.
Mobile Apps
iOS & Android with smooth UX, push, GPS, payments, and store publishing.
How we work
Free consultation to define requirements and success metrics.
UX/UI wireframes, technical architecture, and timeline.
Agile sprints, weekly demos, and testing.
Deployment, documentation, training, and maintenance.
Transparent pricing (CAD)
Fixed ranges by scope & complexity. Final quote after a 30–45 minute discovery call.
Web Application
MVP • Business • Enterprise
- From core to advanced features
- 3rd-party API & service integrations
- Security hardening & testing
Desktop Software
Basic • Advanced
- Windows / macOS / Linux
- Hardware integrations
- Auto-updates & licensing
Mobile Application
Basic • Advanced
- iOS & Android
- Push, GPS, payments
- App Store & Play release
FAQs
Common questions about custom software projects.
Ready to build your custom software?
Tell us about your project — get a tailored proposal within 24–48 hours.
- 30–45 min discovery call
- Clear milestones & deliverables
- Fixed-price or time-based options
