Web & Mobile Development

Progressive Web App
Development
Services

One web app that installs on any device, works offline, loads instantly, and feels like a native app — without the App Store friction or development overhead.

Start Your PWA Project → View Our Work
80+
PWAs Delivered
3×
Faster Than Native
60%
Cost Reduction
Lighthouse Score
100/100
Performance · PWA
Load Time
0.8s
First Contentful Paint
Offline Ready
✓ SW Active
Service Worker Cached
scaleupth.com/app
⬇ Install
📱
Add to Home Screen
Works offline · No app store needed
Installable
Offline Ready
Push Notifications
0+ PWAs Delivered
0+ Enterprise Clients
0+ % Client Satisfaction
0+ Years Experience
Why Progressive Web Apps

The Smarter Way to Reach
Every User, Everywhere

PWAs combine the best of web and native apps — discoverable via search, installable from the browser, and usable offline. No app store, no friction.

📲
Installable on Any Device
Users add your PWA directly to their home screen from the browser — iOS, Android, Windows, or macOS. No App Store account, no review wait.
📶
Works Offline
Service Workers intelligently cache assets and data so your app remains fully functional even when the user's connection drops or is slow.
⚡
Blazing Fast Performance
Pre-caching, lazy loading, and optimized delivery ensure sub-second load times. Better Core Web Vitals = better SEO rankings, too.
🔔
Push Notifications
Re-engage users with native-style push notifications on Android and desktop Chrome — just like a mobile app, straight from the web.
💰
60% Lower Development Cost
One codebase serves all platforms — web, iOS, Android, and desktop. No separate native app teams, no duplicate maintenance effort.
🔍
SEO-Friendly & Discoverable
Unlike native apps, PWAs are fully indexed by search engines. Get organic traffic, social sharing, and deep linking out of the box.
Our PWA Services

Full-Stack PWA Development
End to End

From audit and architecture to launch and post-live optimization — we handle every layer of your Progressive Web App.

🛠️
Custom PWA Development
Ground-up PWAs built with React, Next.js, or Vue — complete with service workers, manifest, offline support, and installability baked in from day one.
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🔄
Web-to-PWA Conversion
Transform your existing website or web app into a fully-featured PWA — adding offline support, install prompts, push notifications, and performance boosts.
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🛒
PWA E-Commerce Solutions
Blazing-fast shopping experiences with offline product browsing, cart persistence, push sale alerts, and checkout flows that convert 3× better on mobile.
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📊
Enterprise PWA Dashboards
Data-heavy internal tools and dashboards with offline data sync, background fetch, and real-time updates — deployable without any app store gating.
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⚡
PWA Performance Audit
Comprehensive Lighthouse audits, Core Web Vitals analysis, service worker review, and actionable optimization plans for existing PWAs or web apps.
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🔧
PWA Maintenance & Support
Ongoing service worker updates, browser compatibility fixes, push notification management, performance monitoring, and feature additions post-launch.
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Tech Stack

PWA Technologies
We Master Daily

⚛️
React / Next.js
Component-driven PWAs with SSR, SSG, and ISR for optimal performance
Framework
⚙️
Workbox (Google)
Production-grade service worker library for caching strategies
SW Tooling
📦
IndexedDB / Cache API
Offline data persistence, background sync, and asset caching
Storage
🔔
Web Push API / FCM
Native-style push notifications on Chrome, Edge, and Android
Notifications
📐
Tailwind CSS / Framer Motion
Responsive, animated UI with pixel-perfect mobile design
UI / UX
🚀
Vercel / Netlify / AWS
Edge-deployed, HTTPS-secured hosting for globally fast PWAs
Deploy
service-worker.ts
// ScaleUpTH — Workbox PWA Service Worker import { precacheAndRoute, cleanupOutdatedCaches } from 'workbox-precaching'; import { registerRoute } from 'workbox-routing'; import { StaleWhileRevalidate, CacheFirst } from 'workbox-strategies'; // Pre-cache all static assets precacheAndRoute(self.__WB_MANIFEST); cleanupOutdatedCaches(); // Cache-first for images registerRoute( ({ request }) => request.destination === 'image', new CacheFirst({ cacheName: 'images' }) ); // Stale-while-revalidate for API calls registerRoute( ({ url }) => url.pathname.startsWith('/api/'), new StaleWhileRevalidate({ cacheName: 'api-cache', }) ); // Push notification handler self.addEventListener('push', (event) => { const data = event.data?.json(); self.registration.showNotification( data.title, { body: data.body } ); });
Why PWA?

PWA vs Native App vs
Traditional Website

Understanding where PWAs win — and when to choose one.

🌐
Progressive Web App
Best of both worlds
Recommended
✅
Installable on home screen without App Store
✅
Works fully offline with service workers
✅
Push notifications on Android & desktop
✅
Single codebase — all platforms
✅
Indexed by search engines (SEO)
✅
60–80% lower dev & maintenance cost
⚠️
Limited iOS push support (Safari improving)
📱
Native App (iOS + Android)
Maximum device access
✅
Full hardware access (camera, GPS, NFC)
✅
Best-in-class push notifications
✅
Offline-first by design
❌
Requires App Store approval & review
❌
Two separate codebases (iOS + Android)
❌
2–3× higher development cost
❌
Not indexed by search engines
💻
Traditional Website
Basic web presence
✅
Fully SEO-indexable
✅
Easiest to build & deploy
❌
No offline functionality
❌
Cannot be installed on home screen
❌
No push notifications
❌
Poor engagement & retention rates
❌
No native device feature access
Why ScaleUpTH

The ScaleUpTH Advantage
for PWA Projects

🎯
Lighthouse-Obsessed Team

Every PWA we build targets a 100/100 Lighthouse score. Performance, accessibility, best practices, and SEO are non-negotiable from day one.

🏗️
Offline-First Architecture

We design caching strategies and data sync flows upfront — not bolted on. Your users get a seamless experience whether on 5G or a patchy 2G connection.

📱
Mobile-First by Default

All our PWAs are designed on a 375px canvas first. Every interaction, touch target, and animation is optimized for fingertips before desktop mice.

🔐
Security & HTTPS at the Core

PWAs require HTTPS — and we go further. CSP headers, OWASP-guided input validation, secure cookie policies, and regular dependency audits on every build.

📊
Transparent Delivery

Bi-weekly sprint demos, staging URLs you can test on any device, and a Lighthouse score report with every release. You see progress, not just promises.

🔦 Lighthouse Audit — Our Benchmark
100
Performance
100
Accessibility
98
Best Practices
100
PWA Score
⚡ Target we hit on every build: FCP under 1.2s, LCP under 2.5s, CLS below 0.1, and full PWA installability checklist passing on Chrome, Edge, and Samsung Internet.
Our Process

How We Build Your Progressive Web App

01
Discovery & Audit
Goals, existing site audit, offline requirements, and performance baseline
1–2 Weeks
02
UI/UX Design
Mobile-first Figma designs, app shell model, interaction prototypes
2–3 Weeks
03
PWA Development
Service workers, manifest, offline cache, push, and background sync
4–10 Weeks
04
Lighthouse & QA
Performance profiling, cross-browser testing, PWA checklist validation
1–2 Weeks
05
Deploy & Support
HTTPS deployment, CDN config, monitoring, and ongoing enhancements
Ongoing
Industries We Serve

PWAs Deployed Across Every Sector

🛒
E-Commerce & Retail
🏥
Healthcare
💰
Fintech & Banking
🎓
EdTech
🚚
Logistics & Delivery
📰
Media & Publishing
🏠
Real Estate
🍔
Food & Restaurant
Our Work

Progressive Web Apps
We've Proudly Shipped

Real PWAs. Real results. Delivered for clients across India and globally.

🛒
E-Commerce PWA
SwiftShop — Offline-First Shopping PWA
Full product catalog cached offline, instant add-to-cart, Razorpay checkout, and push sale alerts. 2.4× higher mobile conversion vs old native app.
Next.jsWorkboxIndexedDBWeb Push
📰
Media & Publishing
DailyPulse — News PWA with Offline Reading
Articles cached for offline reading, breaking news push notifications, 0.7s FCP on 3G, and 3× longer session time vs the old responsive website.
ReactCacheFirstFCM PushVercel
📊
Enterprise Dashboard
FieldOps — Offline Field Operations PWA
Field-service management with offline form submission, background sync, GPS tracking, and installable on Android tablets without an MDM app store.
Next.jsBackground SyncIndexedDBAWS
Client Reviews

What Clients Say About Our PWA Work

★★★★★
ScaleUpTH converted our e-commerce site into a PWA in 8 weeks. Mobile conversion jumped 140% and our Google PageSpeed went from 42 to 97. Transformational.
VR
Vikram Rathore
CEO, SwiftShop Commerce
★★★★★
Our readers were dropping off on slow mobile networks. The offline-first PWA they built kept users reading even without signal. Session time tripled in two months.
NS
Neha Srivastava
CTO, DailyPulse Media
★★★★★
Our field team now submits data without Wi-Fi — it syncs automatically when they're back online. ScaleUpTH delivered exactly what we needed, on time and budget.
AK
Aditya Kumar
Head of Product, FieldOps
FAQ

Frequently Asked Questions

What exactly is a Progressive Web App? ▾
A PWA is a website built with modern web APIs that behaves like a native app. It can be installed on a user's home screen, works offline via service workers, sends push notifications, and loads instantly from cache — all without going through the App Store or Google Play.
Do PWAs work on iPhones and iOS devices? ▾
Yes — PWAs are fully supported on iOS Safari. Users can add them to their home screen, and they work offline with service worker caching. As of iOS 16.4+, Apple also supports Web Push notifications for installed PWAs, significantly closing the gap with Android PWA support.
How much does a PWA cost compared to a native app? ▾
A typical PWA costs 50–70% less than building separate iOS and Android native apps. A basic PWA starts from ₹2–4 lakhs; a feature-rich PWA with offline sync and push notifications ranges ₹5–12 lakhs. Contact us for a free project estimate.
Can you convert my existing website into a PWA? ▾
Absolutely. Web-to-PWA conversion is one of our most popular services. We audit your current site, add a Web App Manifest, implement a service worker with the right caching strategy, and optimize Core Web Vitals — all without rebuilding from scratch if the existing stack supports it.
Will a PWA show up in the App Store or Google Play? ▾
Standard PWAs are not listed in app stores — they're installed directly from the browser. However, they can optionally be wrapped with Trusted Web Activity (TWA) for Google Play listing, giving you both a web presence and a Play Store listing with a single codebase.
How long does it take to build a PWA? ▾
A simple PWA conversion of an existing site takes 3–5 weeks. A fully custom PWA built from the ground up typically takes 6–14 weeks depending on complexity, integrations, and the number of offline data flows required. We provide a precise timeline after our free discovery call.
Ready to Go PWA?

Build a Faster, Installable App
Without the App Store

Whether you're converting an existing site or building from scratch — we'll get you a Lighthouse-perfect PWA, on time and on budget.

Start Your PWA Project 📞 Call Us Now
Get In Touch

Let's Talk About
Your PWA Project

Share your vision with us. Our team will respond within 24 hours with a tailored proposal, timeline, and cost estimate — completely free.

📍
✉️
📞
⚡
24-Hour Response
We reply to every enquiry within one business day
🔒
NDA on Request
Your idea is safe — we sign NDAs before any discussion
💰
Free Project Estimate
Detailed scope, timeline & cost — completely free

Send a Message