Cross-Platform Apps
Cross-Platform App Development Services
Reach every user on every device. We build cross-platform apps and games that feel native on Android, iOS and the web.
250+ projects delivered
Reach every user on every device. We build cross-platform apps and games that feel native on Android, iOS and the web.
250+ projects delivered
Cross-platform app development is the smartest route for startups and businesses that want a wide audience without doubling the budget. Gamostar builds apps with Flutter, React Native and Unity — from business tools to multiplayer games — with performance users cannot tell from native.
We help you choose the right stack, design once for every screen size, and set up automated builds so updates reach Android and iOS together.
Beautiful, fast apps for Android, iOS and web from one Dart codebase.
JavaScript-based apps with native components and a huge ecosystem.
3D and 2D games that ship to mobile, desktop and consoles.
Share business logic and UI across platforms to save time and cost.
Testing on real Android and iOS devices and multiple screen sizes.
Automated builds and store deployment for faster releases.
A senior team that has delivered 250+ games, apps and platforms for startups and enterprises worldwide.
Weekly demos, a shared task board and clear milestones — you always know what is happening.
NDA before we start, encrypted data, secure APIs and best-practice authentication.
Full source code, design files and documentation are handed over to you.
Bug fixing, OS-update compatibility, monitoring and feature upgrades under flexible plans.
We work with clients across India, the USA, the UK, Europe and the Middle East.
We study your idea, audience and competitors, then define scope, features and a realistic roadmap.
Clickable prototypes and a polished, conversion-focused interface that you approve before development.
Short sprints with weekly demos, clean code, secure APIs, payments and third-party integrations.
Real-device testing, performance, load and security checks before every release.
Store or server launch, monitoring and ongoing maintenance after go-live.
A defined scope, timeline and price. Best for MVPs and well-documented requirements.
Developers, designers and QA working only on your product, on a monthly basis.
Flexible hourly engagement for evolving scope, audits and ongoing improvements.
Both are excellent. Flutter offers superior UI consistency and performance; React Native suits teams with JavaScript skills and web code sharing.
Yes. We handle Google Play and App Store submission, listing and compliance.
Typically 30–40% compared with building separate native apps.
Yes. Unity is our main engine for cross-platform mobile and multiplayer games.
Share your idea and get a clear plan, timeline and estimate within 24 hours. No obligation.
NDA signed on request · Full source code ownership · Weekly progress demos