01
Shared Product Logic
Reuse appropriate business rules, data models and application behavior instead of rebuilding everything twice.
Build a connected mobile product for iOS and Android without treating cross-platform development as a shortcut. We design the shared architecture, platform-specific experience, integrations, testing and release strategy around the product you actually need.
A strong cross-platform product shares what should be shared and adapts what should be platform-specific. The goal is not to force identical behavior everywhere. The goal is a maintainable product architecture that gives users a coherent experience on both platforms.
Reuse appropriate business rules, data models and application behavior instead of rebuilding everything twice.
Keep iOS and Android differences visible where platform conventions or capabilities matter.
Plan feature development, testing and releases around both mobile platforms.
Connect both mobile clients to APIs, authentication, business systems and shared data services.
Track important workflows across platforms so a shared codebase does not create inconsistent product behavior.
Use native modules or platform-specific code when a product requirement cannot or should not be abstracted.
There is no universal answer. The decision should follow the product's platforms, device capabilities, roadmap, performance requirements, team structure and long-term maintenance needs.
| Requirement | Cross-Platform | Native |
|---|---|---|
| iOS + Android together | Strong fit when shared product logic is valuable | Separate platform implementations may be appropriate |
| Shared business logic | Strong opportunity for reuse | Logic may need platform-specific implementations |
| Fast coordinated MVP | Can be a strong option | Often requires two platform workstreams |
| Deep platform integration | Possible with native extensions, depending on requirements | Direct platform access is a core advantage |
| Maximum platform customization | Depends on framework and architecture | Strong fit |
| Single coordinated product team | Often attractive | Usually requires stronger platform specialization |
Users should recognize the same product on both platforms while still receiving interfaces and behaviors that make sense for the operating system they use.
Shared product goals with platform-aware navigation, interactions, permissions and native capabilities where appropriate.
Shared product goals with Android-aware navigation, interactions, permissions and native capabilities where appropriate.
A maintainable application separates interface concerns from business and data concerns. The exact architecture depends on the product, but clear boundaries make testing, replacement and future platform-specific work easier.
We do not select a framework simply because it is popular. The choice should consider the product's requirements, team capabilities, existing code, integrations, platform needs and roadmap.
Useful when a shared UI toolkit, compiled multi-platform delivery and controlled rendering model fit the product.
Useful when a React/JavaScript ecosystem and access to native modules align with the product and team.
Use Swift, Objective-C, Kotlin, Java or platform APIs where a cross-platform abstraction is not the right fit.
One service path for the product decisions, engineering and release work required to operate across iOS and Android.
Define users, workflows, MVP scope, platforms, integrations and technical constraints.
Create a shared product language while accounting for platform-specific interaction patterns.
Build shared application functionality around a maintainable architecture.
Connect mobile clients to authentication, data, business logic and external services.
Implement platform-specific modules when the product needs capabilities beyond the shared layer.
Test shared functionality, platform parity, integrations, devices, performance and critical workflows.
Prepare release candidates and production distribution for both platforms.
Assess existing applications for shared architecture, technical debt and migration opportunities.
Maintain the product, add features and evolve the architecture as usage and requirements grow.
A cross-platform architecture should not lock a product into one technical shape forever. As requirements grow, shared code can remain shared while specialized areas become more platform-aware.
Build the smallest useful product around the highest-value workflows.
Use real usage and feedback to identify which features deserve deeper investment.
Add platform-specific modules or architecture changes when product requirements justify them.
If you already have two mobile codebases, the right answer is not automatically a rewrite. First assess duplicated logic, technical debt, feature parity, integrations and the cost of migration.
Review architecture, dependencies, integrations and platform-specific implementation.
Map differences between iOS and Android workflows before deciding what should be shared.
Choose between gradual migration, selective sharing, modernization or a complete rebuild based on evidence.
Validate core product workflows on both platforms.
Compare important features, states and business rules across iOS and Android.
Test relevant screen sizes, OS versions and target device scenarios.
Validate APIs, authentication, payments, notifications and external services.
Investigate startup, rendering, memory, network and responsiveness issues.
Validate production builds before store distribution.
Coordinate App Store and Google Play production releases.
Use feedback and product signals to prioritize the next iteration.
Architecture and features should follow the workflow, users and systems behind the application.
Field operations, reporting, inspections and connected workforce workflows.
Scheduling, operational workflows and connected mobile experiences.
Tracking, dispatch, delivery and mobile operational workflows.
Work orders, scheduling, location, photos and customer updates.
Mobile interfaces that extend existing software products to iOS and Android users.
Internal productivity tools and client-facing mobile workflows.
Security requirements depend on the product and data involved. Authentication, authorization, secure communication, sensitive-data handling and permissions should be considered across both the shared and platform-specific layers.
Responsible engineering focuses on concrete controls, testing and operational practices rather than unrealistic security guarantees.
Cross-platform development creates mobile applications for multiple operating systems from a shared development approach, while allowing platform-specific code or behavior where requirements call for it.
No. A strong cross-platform product can share business logic and reusable functionality while adapting interactions, capabilities and behaviors to each platform.
Both can be appropriate depending on the product. The framework should be selected around requirements, existing technology, integrations, team capabilities and the long-term roadmap.
Yes. Frameworks such as Flutter and React Native provide mechanisms for platform-specific integration when a product needs native APIs or capabilities that should not be abstracted away.
It can be a strong option when both iOS and Android are important and shared product logic creates meaningful value. The decision should still be based on the product's requirements rather than startup status alone.
Possibly. Existing iOS and Android applications should first be assessed for architecture, feature parity, technical debt and migration risk. A gradual or selective approach may be better than a full rewrite.
Yes, when the existing system exposes an appropriate API or integration mechanism. The mobile product can connect to shared backend services while presenting platform-aware experiences.
The development process can include production build preparation, testing, release coordination and deployment workflows for both platforms.
Tell us what the product needs to accomplish, who will use it, what systems it must connect with and what platforms matter. We can evaluate whether cross-platform, native or a hybrid architecture makes the most sense.
