Progressive Web App Development by Alpha Expansion
Progressive Web Apps01Installable web apps02Offline support03Push notificationsBook a call

Progressive Web App Development

INSTALLSFROM THEBROWSER,WORKS OFFLINE

We build progressive web apps that install from the browser, open instantly, work through weak connections and send notifications, giving you one codebase for phones, tablets and desktops without an app store release.

Installable web appsOffline supportPush notifications
01Installable web apps
02Offline support
01Our Approach

A progressive web app is the right choice only when its limits on each device are known before the first screen is designed.

02Overview

An app experience delivered through the browser

  • 01Installable web apps
  • 02Offline support
  • 03Push notifications

A progressive web app is a website built to behave like an installed application. It can be added to the home screen, start without a browser bar, keep working when the connection drops and receive push notifications. We design the application shell, the caching rules, the offline data and the update flow, then build it with modern web technology.

It suits products that need reach on every device from one codebase, such as ordering, booking, field tools and customer portals. It is a poor fit when the product depends on device features the browser cannot reach or on app store discovery. We check those limits against your feature list first and say plainly when a native app is the better route.

Talk to us about your project
03What We Do

Capabilities, End to End

01
Installable app shell

A manifest, icons and a fast-loading shell let people add the app to their home screen and open it full screen like any other application.

02
Offline behavior

Service workers cache screens and data so the app opens without a connection, shows what it has and queues changes until the network returns.

03
Background sync

Orders, forms and edits made offline are stored on the device and sent in order once a connection is back, with conflicts resolved by clear rules.

04
Push notifications

Web push reaches users on Android, desktop and recent iPhone versions once the app is installed, with permission requested at a moment that makes sense.

05
Device limit review

We test your feature list against what browsers allow on each platform, including storage, Bluetooth, background tasks and payments, before any commitment is made.

06
Store packaging option

Where a store listing matters, the same app can be wrapped for Google Play or the Microsoft Store, and we explain what Apple permits.

04In The App

Details Users Can Feel

Home screen install

The app is added from the browser in a few taps.

Offline mode

Screens open and forms save when there is no connection.

Instant loading

Cached screens appear at once, then refresh quietly with new data.

Update prompt

Users are told when a new version is ready to load.

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05What You Receive

Handed Over, Ready to Run

SCROLL
01
Installable progressive web app
02
Offline and caching design
03
Sync and conflict rules
04
Push notification setup
05
Device capability report
06
Performance and audit results
07
Update and versioning plan
08
Documentation and source code
06How It Runs

From Kickoff to Launch

01
Check the fit
02
Design for offline
03
Build and measure
04
Release and update
01
Check the fit

We list the features the product needs and test each against browser support on iPhone, Android and desktop, then recommend a progressive web app, a native app or a mix of both.

02
Design for offline

For every screen we decide what is cached, what needs a live connection and what the user sees in between, so that a lost signal never looks like a broken app.

03
Build and measure

The app is built with a service worker, a manifest and a tested update path, and measured on real phones for load time, responsiveness and behavior on slow and failing networks.

04
Release and update

We launch on your domain, add store packaging where it was agreed, and set up how new versions reach installed users without leaving anyone on an old copy.

07Technology

The Stack We Use

FrontendReactNext.jsTypeScriptTailwind CSSPlatformWeb App ManifestWeb PushBackground SyncTrusted Web ActivityFrontendReactNext.jsTypeScriptTailwind CSSPlatformWeb App ManifestWeb PushBackground SyncTrusted Web Activity
OfflineService WorkersWorkboxIndexedDBCache StorageQualityLighthousePlaywrightWebPageTestSentryOfflineService WorkersWorkboxIndexedDBCache StorageQualityLighthousePlaywrightWebPageTestSentry
08Who It Is For

Built for Teams Like Yours

FLAGSHIP
You need an app without two native builds

Customers or staff use the product on phones, often with a poor signal, and a full native app for each platform is more than the budget or the use case justifies. You want something that installs, loads fast and keeps working offline, built once for every device.

Ordering and loyalty apps
Field data collection tools
Booking and check-in apps
Customer and partner portals
Internal tools for staff
Event and venue guides
09Questions

What buyers ask before they start

If yours is not here, ask us directly. The first conversation is free and useful whether or not we work together.

Book a call

Apple supports installation, offline storage and push notifications for installed web apps, yet some limits remain. Background processing is restricted, storage can be cleared when a device runs low, and access to certain hardware features is missing or partial. Installation also takes a manual step from the share menu. We test your specific features on current devices and report what works before you decide.

Choose a progressive web app when reach, speed of delivery and one codebase matter most and the features sit within what browsers allow. Choose native when the product relies on device hardware, heavy background work or presence in the app stores. Some products start on the web and add native apps later, sharing the same backend. We compare both routes against your feature list.

Google Play and the Microsoft Store both accept progressive web apps packaged in a thin wrapper, so users can find and install them there. Apple's App Store expects a native application and reviews wrapped websites strictly. If an App Store listing is essential, we plan a native or cross-platform app for iPhone and keep the web app for everything else.

That is designed screen by screen. Content already seen stays available, new entries are saved on the device and a small indicator shows that the app is offline. When the network returns, queued changes are sent in order and conflicts follow rules agreed in advance. Actions that truly need a live connection, such as a card payment, explain why they are waiting.

Often it can. A site built on a modern framework can gain a manifest, a service worker and offline handling without a rewrite. Older sites may need their front end rebuilt before the result feels like an application. We review the current code, measure its speed on phones and tell you whether an upgrade or a rebuild gives the better outcome for the cost.

10Related services

Often built together

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Every engagement starts with a scoping conversation. It is free, structured, and useful whether or not we work together.

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Premium digital product and engineering studio. We build high-performance web platforms, SaaS applications, mobile apps, and 3D experiences for high-growth companies.

Alpha Expansion is a premium digital product and engineering studio specializing in React development, Next.js development, full-stack development, mobile app development, UI/UX design, and 3D interactive experiences.

We serve industries including SaaS, FinTech, Healthcare, E-commerce, Logistics, and Real Estate.