Startups & MVPs
Validate on both stores quickly—with architecture you can grow instead of rebuilding at traction.
NASBIX TECHNOLOGIES
Flutter apps that ship to both stores
One Dart codebase for iOS and Android—pixel-consistent UI, native integrations, and store-ready release discipline from our Karachi delivery center.
iOS & Android from one codebase
Store-ready QA & CI
Secure SDLC in every sprint
Named mobile architects
Flutter service
Cross-platform without the compromise story
Flutter is fastest when one squad owns UI, state, and release—not when you inherit a demo that crashes on older devices or fails store review. NASBIX builds Flutter apps with clean architecture, native channel boundaries, and App Store / Play readiness inside the Definition of Done.
From Karachi HQ we deliver for startups and product teams who need transparent sprints and apps ops can support after launch. Named architects stay close to Flutter edge cases—platform channels, deep links, offline sync, and flavor builds—so design and engineering share one release train.
- Modular features with testable state management
- Payments, maps, push, camera, and biometrics via channels
- CI-signed builds, crash analytics, and submission checklists
- Handovers your team can extend without a full rewrite
Who we help
Built for teams that need speed and store quality
MVPs, consumer apps, and B2B mobile—same bar for performance, security, and release discipline.
Consumer & on-demand
Maps, payments, notifications, and polished UX tuned for retention and review ratings.
Enterprise & B2B
MDM-friendly builds, secure sessions, white-label flavors, and release gates IT can review.
What you get
Flutter capabilities that matter
Scoped to your product surface, integrations, and store timeline—not a generic widget tutorial.
Cross-platform UI
Shared widgets with platform-adaptive navigation, typography, and motion—consistent on iOS and Android without two design systems.
State & architecture
Riverpod, Bloc, or your preferred pattern—feature modules, repository layers, and tests that survive team growth.
Native integrations
Platform channels for camera, maps, payments, push, biometrics, and SDKs your product roadmap requires.
APIs & offline
REST, GraphQL, or gRPC clients with caching, retry policies, and offline-first flows where connectivity is uneven.
Performance & quality
Profiling, golden tests, device matrices, and crash budgets before you submit—not after bad reviews land.
Store launch
CI/CD pipelines, signing, store listings, phased rollout, and analytics hooks your growth team can trust.
Store-ready delivery
Depth that survives production—not just sprint demos
Beyond screens—we harden the patterns that break after launch: secure storage, dependency updates, multi-flavor builds, and observability your support team can act on.
- Dart 3 null-safety & strict analysis options
- Secure local storage & session handling
- Offline-first sync & conflict resolution
- White-label & multi-flavor build pipelines
- Firebase / Crashlytics or your APM stack
- Penetration test coordination when required
How we deliver
From discovery to both stores
A cadence built for mobile—demos your product team can ship, checkpoints QA can trust before submission.
- 01 · DiscoverPlatforms, personas, integrations, store constraints, and success metrics.
- 02 · ArchitectNavigation, state, API contracts, auth, and release strategy for iOS and Android.
- 03 · BuildSprint demos, widget/integration tests, device lab runs, and beta channels.
- 04 · LaunchStore submission, monitoring, hotfix runbooks, and optional managed support.
Engagement models
Buy the way you ship Flutter products
Fixed-scope MVP
Core flows and store submission with acceptance criteria product and QA can sign off on.
Dedicated Flutter pod
Embedded engineers and a named architect on your backlog, rituals, and release calendar.
Stabilization & uplift
Crash fixes, performance tuning, SDK upgrades, and store compliance for apps already live.
Managed support
OS compatibility updates, patches, and SLA-backed response after go-live.
Explore more
Related mobile paths
Stack Flutter with native, backend, and growth services from the same delivery center.
