Tangensys • Plan, deliver, measure
React Native app development
Use shared JavaScript skills to build mobile experiences without assuming a web interface can simply be copied to a phone. Navigation and device behaviour need their own design.
The work to plan together
A scope shaped around this requirement.
- React Native buildScope
- IntegrationsReview
- Store releasesCheck
- ScopeFeatures, users and platforms agreed
- PrototypeKey screens reviewed before build
- Build and testMilestones tested on real devices
- Release and handoverStore release, code and documentation
In short
What does React Native app development involve?
React Native app development builds cross-platform apps with JavaScript, often sharing skills with web teams.
When React Native app development is a useful fit
Teams using React
Review how existing JavaScript skills fit mobile dependencies and platform-specific work.
Startups
Prototype the essential journeys and test native integrations before committing to the whole build.
Problems worth addressing first
Use these situations to identify the work that deserves attention before expanding the scope.
- Web and app teams are separate
A practical example
A team with a React web product can share knowledge while designing a mobile dashboard around a smaller screen and intermittent connections.
This is an illustrative scenario to explain the approach, not a claimed client project.
The work we can include
The final quote identifies the deliverables, quantities, approvals and exclusions. Select the work that serves your goal rather than assuming every item is required.
- React Native build
- Integrations
- Store releases
Where we usually begin
Native modules, package compatibility and store requirements are reviewed. Some device features need platform-specific work.
Practical detail
Handle a connection failure within the mobile task
An illustrative staff app lets a user submit a site update. A failed connection should preserve the user’s work and show the actual submission state.
| Part of the work | Example output | How to review it |
|---|---|---|
| Draft state | Local progress where the agreed design supports it | A failure does not silently discard an entered update. |
| Submit state | Sending, accepted or failed | The app distinguishes a queued request from a completed server update. |
| Platform tests | Keyboard, permission, navigation and notification behaviour | The essential journey is checked on the supported Android/iOS set. |
| Handover | Shared code, native dependencies and backend contract | The next maintainer knows which parts require platform-specific attention. |
React web experience can help with shared development concepts, but mobile navigation, native integrations and releases remain distinct work.
Review the native dependencies behind a shared interface
React Native work needs a clear mobile task and an understanding of the native capabilities it uses. Camera access, notifications and background behaviour can depend on platform-specific integration. A shared interface does not make those requirements disappear.
For an existing app, review package versions, native modules and build access before promising a change. A small visible feature may depend on wider upgrades. Distinguish repair, feature work and modernisation in the proposal.
Test the agreed platforms, permission states and interrupted connections. Record build instructions and dependency changes for the future maintainer. A working development build needs a defined route to supported production releases.
Free app consultation
Start with a clear scope and a practical next step.
Tell us what you want to improve and share the relevant website or project details. We will review the starting point, recommend a suitable scope and provide a custom quote.
The initial review is free. Delivery, third-party charges and ongoing support are quoted separately.
Process
How the work is delivered
Review the starting point
Review the current setup, examples of the problem and the information needed to agree the work.
Agree scope and sign-off
We agree the users, essential journeys and supported devices before selecting a native or cross-platform approach. A prototype helps confirm the scope before the build.
Deliver and review
The release plan covers realistic-device checks, backend dependencies and store preparation. Platform approvals are outside our control; maintenance and future features are separately scoped.
Hand over the next steps
Review the agreed outputs together. Confirm what your team maintains and what needs a separate ongoing arrangement.
What progress should mean
Measures that match the work
Check both platforms, API behaviour, loading and offline states. Compare feature sign-off and crash reports after release where monitoring is configured.
A record of delivery
See what was completed, reviewed and still dependent on access or approvals. Project delivery and business results are reported separately.
Clear limits in the data
We explain what can be verified and where a result is only an estimate. Contact clicks, conversations and sales are different actions.
Scope and responsibilities
You keep ownership of your business accounts and approved deliverables under the agreed contract. Any third-party licences, subscriptions or usage fees are identified before you commit.
Can you add one feature to an existing React Native app?
A review can assess that scope. Share the feature, repository and current build status. If the project cannot build or dependencies are incompatible, initial diagnosis or upgrades may be needed before the feature can be estimated reliably.
Can our React website be converted directly into a native app?
Not as a universal one-click change. Review the mobile tasks, reusable logic, navigation and native integrations first.
Does the app work offline automatically?
No. Local storage, retry, synchronisation and conflict behaviour need a defined requirement and test plan.
Flutter or React Native?
Both work well; we recommend based on your team and features.
How is React Native app development priced?
We quote against your goals, current setup and agreed scope. The quote separates delivery from third-party costs and ongoing support. You receive a custom quote within 2 working days.
How long does the work take?
The timeline follows the size of the agreed scope, access, content and approvals. We confirm milestones in the quote; a simple change and a full implementation need different schedules.
How will we communicate?
Your point of contact agrees a review rhythm with you. We use email, WhatsApp and scheduled calls, with decisions and scope changes recorded clearly.
What do you need to get started?
Share your current website or system, your main goal and examples of what is not working. We then agree the access and information needed for discovery.
Is everything included in the free review?
No. The free initial review helps define the next step. Detailed research, design, implementation and ongoing support are included only when stated in your quote.
Explore the related services
Let’s agree the right next step.
Tell us your goals and current setup. We’ll recommend a practical starting point and provide a custom quote.
Custom quote within 2 working days