Mobile apps your users will actually love to open.
Spallion builds native and cross-platform apps — along with the APIs and backends that power them — designed for speed, reliability, and a genuinely great experience on every device.
Start a project →One codebase or native — the right call for your product
Not every app needs to be built twice. We help you choose between cross-platform frameworks that ship to iOS and Android from a single codebase, and fully native builds where performance or platform features demand it — then we build it end to end.
Behind the screens, we design the APIs, data, and infrastructure so your app is fast, secure, and ready to grow from your first users to your millionth. And where AI moves the needle — in-app copilots, voice interfaces, vision, or LLM-driven personalization — we build it in natively.
What we deliver
- ✓iOS & Android appsNative builds where it counts.
- ✓Cross-platform appsOne codebase, both stores — faster to ship.
- ✓Progressive Web AppsApp-like experiences straight from the browser.
- ✓APIs & backendThe services and data layer your app runs on.
- ✓Offline-first & syncWorks with a weak connection, syncs when back.
- ✓Push & notificationsRe-engage users at the right moment.
- ✓App Store deploymentWe handle submission and release.
- ✓Maintenance & updatesOngoing support as OSes and needs evolve.
- ✓AI-powered featuresIn-app copilots, voice, vision, and LLM UX.
- ✓On-device & cloud AIThe right model in the right place.
From idea to the App Store
Discover
We clarify the core use case, platforms, and what "great" looks like for your users.
Design & scope
We prototype key flows, choose the tech, and lock a milestone plan.
Build
We develop in short cycles with test builds you can install and try along the way.
Launch & support
We ship to the stores, monitor, and keep the app healthy release after release.
Got an app idea?
Share what you're picturing and we'll come back with a clear plan, timeline, and price.
Tell us about your project →