How to Convert Your Web App to a Google Play Store App

5 min read
ByPaula CKraftwire Software

To convert your web app to a Google Play Store app, you must package your web code into an Android App Bundle (.aab) and submit it via the Google Play Console. While a mobile-responsive website allows for browser access, a native Android binary is required to access the Google Play Store's distribution network and native hardware APIs.

At KW Native, we convert web apps built on platforms like Lovable, Bolt.new, and Bubble into real native binaries using Capacitor. Unlike basic WebView wrappers, this approach provides a high-performance bridge to native Android features while ensuring you own the source code outright.

Why Move from Browser to Google Play Store?

Relying solely on a URL limits your reach and functionality. Moving to the Google Play Store provides several structural advantages for a growing web app:

  • Native Hardware Access: Web apps are sandboxed. A native Android app can utilise Face ID/Touch ID for secure authentication, the camera for scanning, and the microphone for voice features.
  • App Links (Deep Linking): On Android, App Links ensure that when a user clicks a link to your domain, it opens directly in your app rather than the mobile browser.
  • Push Notifications: Using Firebase Cloud Messaging (FCM), you can send rich notifications to users even when the app is not active, a feature that is often unreliable or unsupported in mobile web browsers.
  • Discoverability: Being listed in the store allows you to appear in search results for specific keywords, providing organic traffic that a standalone website cannot capture.

The Technical Requirement: Android App Bundles (.aab)

Google no longer accepts simple APKs for new app submissions. You must provide an Android App Bundle (.aab). This format allows Google Play to generate optimised APKs for every device configuration, ensuring the user only downloads the code and assets they need for their specific screen size and processor.

When we convert your app, we handle the complex configuration of the AndroidManifest.xml, package naming (e.g., com.yourcompany.appname), and the digital signing process required by Google.

The Cost of Converting to Android

Publishing to the Play Store involves two distinct costs: the platform fee charged by Google and the service fee for the conversion.

1. Google Platform Fees

Google is significantly more affordable for independent developers than Apple.

  • Google Play: A $25 one-time registration fee. There are no annual renewal fees to keep your account active.
  • Apple Developer Program: For comparison, this costs $99/year (£79 in the UK).

2. Conversion Service Fees

Most "website to app" converters use a subscription model that locks you into their platform.

  • BuildNatively: Starts from $19/month, which totals $228/year. If you stop paying, you lose access to updates and your app may be removed.
  • Median.co: Their Starter tier is $229 one-time, but they charge $179/year from month 12 to maintain the license.
  • Convertify: Offers a $99-$149 one-time fee, but you do not receive the source code.

KW Native provides a one-time fee alternative. We provide the full GitHub repository, the source code, and a RUNBOOK.md. You own the app entirely, with no recurring software fees to keep it running.

Step-by-Step: How to Convert Your Web App

1. Prepare Your Web App

Your web app must be fully responsive. If you have built your app using Bolt.new or Lovable, the UI is likely already mobile-ready. We recommend disabling CSS text selection on interactive elements to make the app feel native rather than like a website.

2. Configure Capacitor

We use Capacitor to wrap your web code. This involves:

  • Initialising the Android platform within your project.
  • Setting up the Splash Screen API to prevent stretching on different Android screen densities.
  • Configuring Universal Links and App Links so your app handles web traffic correctly.

3. Integrate Native Features

A common reason for store rejection is "Minimum Functionality." We ensure your app passes by integrating native elements:

  • Biometrics: Face ID and Touch ID for login.
  • Social Auth: Implementing native Google OAuth and Apple Sign In, which are often required for approval.
  • Push Notifications: Setting up the Firebase (FCM) bridge.

4. Create the Google Play Console Listing

You will need to create and set up your app in the Play Console. This involves selecting a default language and adding the name of your app as you want it to appear on Google Play. We assist with the technical metadata, including the privacy policy URL and store screenshots.

5. The 20-Tester Requirement

For new personal developer accounts, Google now requires a 14-day closed testing period with at least 20 testers before you can apply for production access. We provide guidance on how to manage this phase to ensure your app is approved for public release.

Avoiding Common Rejections

Google and Apple both have strict quality guidelines. If an app is just a website in a box with no extra features, it will be rejected.

We proved this could be overcome with Ginza, a social network built on Lovable and Supabase. You can read more in our Ginza case study.

When is KW Native the Wrong Choice?

While our service is ideal for most SaaS, e-commerce, and social apps, it is not for everyone:

  • High-End Gaming: If you are building a 3D game requiring Unreal Engine or Unity, a web-to-native conversion will not provide the necessary performance.
  • Offline-First Heavy Processing: If your app needs to do heavy video editing or complex data processing entirely offline on the device, a fully native Swift or Kotlin build may be better.
  • Low Budget, Low Quality: If you only want a free "wrapper" and do not care about store approval or user experience, simple free tools exist, though they rarely result in a professional store presence.

Summary of Conversion Timelines

We offer transparent turnaround times for our builds:

  • Starter (iOS only): 10 business days.
  • Standard (iOS + Android): 12 business days.
  • Pro (Priority): 7 business days.

By converting your web app with KW Native, you avoid the "app tax" of monthly subscriptions while gaining a professional, native presence on the Google Play Store.

Ready to launch? View our pricing and get started.

Sources

Every figure above was checked against the page it cites · here they are, so you can check them too.

  1. Select a default language and add the name of your app as you want it to appear on Google Play. · support.google.com

Frequently asked questions

What file format do I need for the Google Play Store?
Google Play requires an Android App Bundle (.aab) for all new submissions. This format is more efficient than the traditional APK and is required for store approval.
How much does the Google Play developer account cost?
Google Play charges a one-time registration fee of $25. Unlike Apple, there is no annual renewal fee for the developer account itself.
Do I own the source code after the conversion?
Yes. KW Native provides the full GitHub repository and source code. You own the app entirely and can make your own updates in the future.

Related articles