
Android Auto & CarPlay Integration
Your users shouldn't have to pick up their phone to find a charger or check its availability while driving. We integrate Android Auto and Apple CarPlay into mobility apps: handling platform constraints, template architecture, and driver safety requirements. Your team doesn't have to figure it out alone.
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When to Add CarPlay & Android Auto to Your Mobility App
1
When your EV app needs an in-car extension
You have a working mobile app for charging station discovery, session management, and payments. And your users are already in the car when they need your app most. A CarPlay and Android Auto integration puts your core flow on the dashboard.
2
When your parking app needs to reach drivers en route
Drivers search for parking before or during their trip. Apple CarPlay and Android Auto let parking apps bring key in-car flows to the dashboard: nearby parking options, availability, booking status, and route handoff.
3
When your app guides users to a destination
Your users navigate to a service point that your app provides. CarPlay and Android Auto hand that destination off to the car's navigation system without forcing the driver to interact with their phone.
4
When your car-sharing app needs in-vehicle access
Your users start a rental, then get in the car. They may need to extend the session, check remaining time, or navigate to a drop-off point. CarPlay and Android Auto let them do that from the dashboard without unlocking their phone mid-drive.
Android Auto & Apple CarPlay Development Services
- Feature Discovery & Validation
- In-Car UI/UX Adaptation
- CarPlay and Android Auto Implementation
- Real-Device and Simulator Testing
- Rollout & Ongoing Support

design by @henryjackprice
Feature Discovery
Before we write a single line of code, our team audits your app against CarPlay and Android Auto platform constraints. Both platforms restrict keyboard input while driving, disallow custom UI layouts, and limit interaction to a fixed set of templates. We map your current features against what each platform permits and clarify what goes into the car interface and what stays on the phone.
Map existing mobile flows to template sets
Identify features for the car interface
PoC to validate React Native library compatibility

design by Asif Kabir
UI/UX Adaptation
CarPlay and Android Auto provide a fixed set of UI templates, and your entire in-car interface must be built from them. On CarPlay: CarPlay framework, CarPlay entitlement, CarPlay templates, Human Interface Guidelines. On Android Auto: Android for Cars App Library, Car App Library, CarAppService, Android Auto templates. The map interaction model is fundamentally different on both platforms, too. Unlike your mobile app, users can't tap markers or swipe to zoom. Station selection happens through a list, not the map. We make design decisions to get it right.
Focus on in-car essential features
Parked vs. driving state handling
Consistency between phone and car interface

design by @uday_ujjual
CarPlay and Android Auto Implementation
We implement CarPlay and Android Auto using React Native libraries. The car interface shares your existing backend, state management, and data layer without duplicate infrastructure and separate APIs. We change only the presentation layer and the interaction model. If our team catches unsupported template interactions, missing native API access, or library bugs, we move to native code. Swift for CarPlay, Kotlin for Android Auto.
Shared state and data layer with your mobile app
Native module patches (if needed)
Separate UI implementation per platform (if needed)

design by Asif Kabir
Real-Device and Simulator Testing
Both Apple and Google provide simulators that replicate the in-car interface – CarPlay Simulator on iOS, Desktop Head Unit for Android Auto. But simulators don't replicate everything: physical screen sizes vary across car manufacturers, rotary controller input behaves differently from touch, and some edge cases only surface on real hardware. Before release, we test on real vehicles to validate the full interaction model.
Real-vehicle testing
Parked vs. driving state testing
Multi-screen size validation

design by @abhi_kt
Rollout & Ongoing Support
CarPlay and Android Auto ship as part of your existing app update. For CarPlay, the capability is added to your provisioning profile, and the feature is tested against App Store review guidelines. For Android Auto, your app must pass Google's pre-launch safety review and meet Drive Mode content policies. Post-launch, you need to maintain your integration. Apple updates the CarPlay framework yearly at WWDC. Google updates Android Auto's template library and safety requirements regularly. We monitor platform updates, track user feedback, and improve flows.
Apple CarPlay and Google Play Android Auto compliance
Post-launch monitoring
Iterative improvement
Android Auto & CarPlay Technical Challenges We Solve
CarPlay or Android Auto integration doesn't mean you have to rebuild your backend or duplicate your infrastructure. The car interface runs on top of what you already have – same API, same state, same map data. But the integration is a new presentation layer that comes with its own constraints, which we predict and solve.
Parked vs. Driving State and Audio Session Handling
While driving, both platforms block keyboard input, restrict screens, and reduce interaction to single-tap actions. Apps with charging alerts or session notifications must also integrate with CarPlay's audio session management and Android Auto's media focus system. Incorrect audio handling causes unpredictable behavior and platform rejection. We design for both states from day one.
Lifecycle and Background Execution
CarPlay runs as an app extension, and when iOS suspends your app, the car interface loses connection. Android Auto runs as a foreground service, but Android's memory management can end it under load. On iOS, we manage background execution entitlements to keep the interface alive when the phone locks. On Android, we structure the foreground service, and the interface recovers without sending the user back to their phone.
Connection Lifecycle and State Handoff
The app must restore state on reconnect without losing context, and state handoff between phone and car must be done in both directions. We implement connection state observers that detect disconnection instantly and persist session context. It’s paired with a shared state layer that both the phone and car interface read from.
Driver Distraction Rules and Template Constraints
Apple and Google ensure driver safety through a fixed set of templates, minimum touch target sizes, and text length caps. We audit your flows against CarPlay and Android Auto template libraries to waive architectural surprises mid-implementation.
Category Eligibility and Entitlement Approval
Apple's CarPlay requires explicit entitlement approval tied to a closed category list – Charging, Parking, Navigation, Audio, Communication, Quick Ordering. Android Auto has its own Drive Mode compliance checklist. We handle category mapping, entitlement requests, and compliance documentation for both platforms before development begins.
Map Provider Restrictions
CarPlay only renders maps through MapKit. Google Maps and Mapbox cannot render inside a CarPlay template. If your mobile app uses Google Maps, this is an architectural blocker that needs a decision before implementation starts. Android Auto imposes its own constraints on custom tile providers. We identify your map architecture, flag platform implications, and recommend an integration path that avoids a full rewrite.
Siri and Google Assistant Integration
SiriKit App and Google Assistant let users trigger app flows by voice. "Hey Siri/Google, find a nearby charger" lands directly in the CarPlay/Android Auto flow without touching a screen. Correct implementation requires defining app intents, handling voice input parameters, and managing fallback states for ambiguous commands.
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Stormotion Engineers + Your Team
One or more of our engineers join your existing setup and work with your Product Owner, Project Manager, and in-house developers.
Typical use cases:
- Add CarPlay or Android Auto expertise to a mobile team that hasn't built for in-car platforms before
- Bring in a specialist to unblock an integration that's stalled on platform constraints or entitlement issues
- Speed up a CarPlay/Android Auto feature that's blocking your next release
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Stormotion
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Standalone Stormotion Team
Our team (React Native engineer, UI/UX designer, QA, and PM) is ready to deliver your mobile product from the ground up.
Typical use cases:
- Add CarPlay and Android Auto to an existing EV charging app without disrupting the mobile codebase
- Add in-car support to a parking app
- Build CarPlay and Android Auto into a new mobility app
- Extend a car-sharing or rental app with in-vehicle session management and navigation handoff
Our Development Process
FAQ
Can any mobility app support CarPlay or Android Auto?
Not automatically. Both Apple and Google limit in-car apps to specific categories and driver-safe use cases. EV charging, parking, navigation, car sharing, and selected mobility flows can be a good fit, but the exact scope depends on your app’s category, feature set, and platform requirements.
Before development starts, we check which parts of your app are eligible for CarPlay and Android Auto, which features should only work while parked, and which flows need to stay on the phone.
Do we need to rebuild our mobile app to add CarPlay and Android Auto?
No. CarPlay and Android Auto app development reuse your existing backend, APIs, map data, state management, and business logic.
What changes is the presentation layer and the interaction model. The in-car interface needs to be rebuilt around platform templates, reduced interaction steps, and driver-safe UX patterns. If React Native libraries are not enough for a specific feature, we add native Swift or Kotlin implementation.
What features can move from a mobile app to the car interface?
The best-fit features are short, contextual, and useful while driving. For example: finding a nearby charger, checking station availability, navigating to a parking location, viewing an active session, or handing off a destination to the car’s navigation system.
Complex flows like account management, detailed filtering, long forms, full payment setup, profile editing, or feature-heavy dashboards usually stay on the phone. During discovery, we separate your features into three groups: in-car, parked-only, and phone-only.
Which features can’t we move to CarPlay or Android Auto?
CarPlay and Android Auto are not second screens for your full mobile app. Both platforms restrict custom UI, keyboard input, complex navigation, dense screens, and interactions that take too much driver attention.
That means your mobile app’s full map experience, advanced filters, checkout flows, onboarding, account settings, and custom visual layouts usually need to be simplified or kept out of the in-car interface. The goal is not to copy the mobile app. It is to create a safe, focused in-car version of the most relevant driver flows.
What is the difference between Android Auto and Android Automotive OS?
Android Auto extends your existing Android app to the car display through the driver’s phone. Android Automotive OS runs directly on the vehicle’s infotainment system.
For most EV charging, parking, car-sharing, and mobility apps, Android Auto is usually the first practical step because it builds on your existing mobile product. Android Automotive OS becomes relevant when your roadmap includes deeper OEM partnerships or native in-vehicle experiences.
Can users pay for charging, parking, or rentals directly from CarPlay or Android Auto?
It depends on the flow. Quick, low-distraction actions may be possible, but complex payment setup, card entry, account changes, or long checkout steps are usually not suitable for the driving interface.
A common approach is to keep payment setup and account management on the phone, while the in-car interface shows session status, location details, route handoff, and safe actions related to an active trip or booking.
Does Apple need to approve our CarPlay integration?
Yes. CarPlay requires the right entitlement for your app category. Apple reviews whether your app fits one of the supported CarPlay categories and whether the proposed in-car experience follows platform expectations.
That is why we check category eligibility and feature scope before implementation. It helps reduce the risk of building an in-car flow that later gets blocked during review.
Does Android Auto require a separate approval process?
Yes. Android Auto apps need to meet Google’s car app quality and driver-distraction requirements before they can be released through Google Play.
We prepare the app around Android Auto templates, driving-state restrictions, screen-size behavior, and Google’s review expectations, then test the experience before submission.
Can we use Google Maps, Mapbox, or our existing map provider inside CarPlay and Android Auto?
This needs to be checked early. CarPlay and Android Auto don’t give you the same map freedom as a mobile app. Some map interactions and custom map layers may not be available inside platform templates. If your mobile app depends heavily on Google Maps, Mapbox, or custom map behavior, we assess the architecture during discovery and recommend the safest path before implementation starts.
How long does CarPlay and Android Auto integration usually take?
For an existing mobility app, CarPlay and Android Auto integration usually takes around 8-14 weeks, depending on the feature scope, platform complexity, approval requirements, and how much native work is needed. A simple route handoff or charger list can be faster. A more advanced flow with session state, parked vs. driving behavior, real-vehicle QA, and platform-specific edge cases will need more time.
How do you test CarPlay and Android Auto integrations?
We test the integration in Apple’s CarPlay Simulator and Android Auto’s Desktop Head Unit first. Then we validate the experience on real hardware because simulators don’t cover every in-car scenario. Real-device testing helps catch issues with different screen sizes, touch and rotary input, connection drops, parked vs. driving states, and behavior that only appears in an actual vehicle environment.
What happens after the integration is released?
CarPlay and Android Auto integrations need ongoing maintenance. Apple and Google update their frameworks, templates, review requirements, and platform behavior over time.
After release, we support your team with platform update monitoring, bug fixing, review-related changes, UX improvements, and iteration based on real user behavior in the car interface.







