Cross-Platform App Development Services
Reach iPhone and Android users without building everything twice.
Cross-platform app development services cover choosing and building an approach that serves iPhone and Android from largely shared work. That can mean a framework, a progressive web app or a mix. NetOfficials helps you compare the options, then builds the one that fits your product. One option for shared code is covered by our Flutter app development services.
- Building software since
- 2011
- Approved before the build
- Written scope
- Tracked in Jira
- Sprint demos
- Confirmed in the contract
- Your IP
What Is Included in Our Cross-Platform App Development Services
The work that turns a vague wish for one app on two platforms into a sound technical choice and a working product.
Approach Assessment
A written comparison of framework, progressive web app and native options against your features and users.
Feature Mapping
Each feature marked as easy to share, needing platform code, or better built natively.
Shared Architecture
A structure that keeps business logic in one place and platform differences at the edges.
Platform-Aware Design
Screens that reuse patterns but respect the navigation and controls each platform users expect.
Two-Platform Testing
Test plans covering the behaviour that differs between iPhone and Android, not just the shared parts.
Store and Web Release
Submission to both app stores, or a hosted web app, depending on the approach agreed.
Who Our Cross-Platform App Development Services Suit
Teams come to cross-platform work with different questions. These are the three we meet most often.
-
Founders with one budget
Decide before you commit
Get an independent view of which approach suits your first release, before money goes into the wrong one.
- Discovery and a written scope
- Option comparison in plain language
- A recommendation you can challenge
-
Businesses with a website
Turn a site into an app
Decide whether a progressive web app is enough, or whether store apps are worth building.
- Review of the current site and users
- Offline and notification needs
- Phased route from web to store
-
Teams maintaining two apps
Reduce duplicated effort
Look at which parts of two separate apps could be shared, and which should stay native.
- Audit of both codebases
- Shared logic first, screens later
- Extra engineers beside your team
Cross-Platform Framework or Progressive Web App?
Both reach several platforms from one body of work, but they behave very differently on a phone. A framework produces an installed app. A progressive web app is a website that can be added to the home screen. We recommend one in discovery.
A cross-platform framework is usually the better choice when
- You need to be listed in the app stores
- The app uses the camera, Bluetooth or other device features
- People will open it daily and expect smooth gestures
- You need dependable push notifications on iPhone
| Consideration | Cross-platform framework | Progressive web app |
|---|---|---|
| Distribution | Installed from the app stores | Opened from a link, then added to the home screen |
| Device features | Broad access through plugins and native code | Limited to what the browser exposes |
| Offline use | Full local storage and background work | Possible, within browser limits |
| Updates | Store review for most releases | Live as soon as the site is updated |
| Discovery by users | Found by searching the stores | Found by searching the web |
| Best for | Products used often and tied to the device | Content, forms and light tools |
How We Deliver Your Cross-Platform App
Every project moves from a written scope to agreed review points, so you always know what is happening and what comes next.
Discovery
Users, platforms, features and constraints, written into a scope you approve.
Signed scopeApproach Decision
Options tested against your riskiest features, with a recommendation you agree before the build.
Agreed approachPrototype
A short working slice on both platforms to prove the hard parts early.
Working prototypeBuild
Features delivered in sprints, with both platforms shown at each demo.
Builds on both platformsRelease and Review
Store or web release, then a review of how the approach is holding up.
Live release
What Affects the Cost of Cross-Platform App Development
Two cross-platform projects rarely look alike, so there is no standard price to quote. The factors below do most of the moving, and we confirm each of them in discovery.
Approach chosen
A framework app, a web app and a hybrid plan each carry different build and upkeep effort.
Device features needed
Features beyond the browser or a framework's standard plugins need custom platform code.
Share of code that can be reused
The more logic that is common to both platforms, the less is written twice.
How much the platforms differ in design
Separate navigation and controls per platform add design and build time.
Test surface
Each platform, version and device group you support widens the testing needed.
Moving off an existing app
Replacing a current app means audit, data carry-over and checks that behaviour matches.
Why Choose NetOfficials for Cross-Platform App Development
The working terms below are part of every engagement, not extras.
One Cross-Functional Team
Design, development, testing and DevOps run through a single team, so decisions stay connected.
Senior From Day One
The senior engineer who scopes your work stays involved while it is delivered.
You Own Everything
IP assignment is confirmed in the contract, and you receive the full source code and documentation at handover.
Mutual NDA
We sign a mutual NDA before you share the details of your project.
Your Working Hours
We agree a communication window that suits your time zone at the start.
Visible Progress
Work is tracked in Jira, with a demo and your feedback at the end of every sprint.
How We Choose the Right Stack for Your Cross-Platform App
We recommend technology for your project and your team's future, not for our convenience. Three questions guide every choice.
Will it handle your load?
We size the design for your expected users, data and growth, so it does not need rebuilding when the business grows.
Will it fit your systems?
We check how the stack connects with the tools, databases and partners you already rely on before we commit to it.
Can you support it later?
We favour well-supported technology with a wide talent pool, so your own team or any future partner can maintain it.
Technologies we work with
Flutter
React Native
React
TypeScript
Swift
Kotlin
Node.js
Python
GraphQL
AWS
Azure
Google Cloud
DockerFlexible Ways to Work With Us
Pick the model that fits where your project is today. You can move between them as it grows.
Project Delivery
We deliver an agreed scope, timeline and price.
- Written discovery scope
- Milestone reviews
- Best for a clear first release
- For ongoing work
Dedicated Team
A team that works only on your project, led by a named delivery lead.
- Cross-functional team
- Sprint demos and planning in Jira
- Scale the team up or down
Team Extension
Specialists who join your existing team, tools and processes.
- Works in your process and tools
- Agreed overlap hours
- Best for adding a missing skill
More From Our Mobile App Development Practice
This service is part of our mobile app development practice. These pages cover the services most often needed alongside it.
Cross-Platform App Development FAQs
What does cross-platform app development mean?
It means building one app, or one body of shared work, that serves more than one platform such as iPhone and Android. The method can be a framework, a progressive web app or a mix.
Is cross-platform cheaper than building two native apps?
Often there is less to build and maintain, because logic and many screens are shared. The saving shrinks when the app needs a lot of platform-specific code, and we look at that in discovery.
When should I choose native instead?
Native is worth considering when the app depends heavily on one platform's hardware or newest features. We say so in discovery if your product points that way.
Is a progressive web app enough for my business?
It can be, for content, forms and simple tools that people reach through a link. If you need store listing, deep device access or reliable notifications on iPhone, an installed app is usually the better fit.
Who owns the code we build together?
You do. The contract sets out ownership of the shared codebase and any platform code before the build begins, and both come to you with documentation at handover.
Can you move my existing apps to a cross-platform approach?
Yes. We audit what you have, agree what to share and what to keep native, and put the plan in a written scope you approve first.
Ready to Choose and Build Your App?
Share a few details. A senior engineer reads every brief and replies with questions and a suggested next step.
- We review your briefAnd reply with questions
- We sign a mutual NDABefore you share the details
- You get a written scopeTeam, timeline and model, before any commitment