Web Apps That Install Like Native — No App Store Needed
PWA Development Services
Progressive Web Apps combine the reach of the web with the experience of a native app. We build PWAs that load instantly, work offline, send push notifications, and install on any device — directly from the browser. No downloads, no app store fees, no waiting for approval. Twitter, Starbucks, Pinterest, and Uber all use PWAs. Your users get a fast, app-like experience from a simple URL.
Our PWA Development Services Include
We build Progressive Web Apps that install on any device, load instantly, work offline, and send push notifications — all from a URL. No app store downloads, no 30% commission, no approval delays. Your users get a native-like experience on phones, tablets, and desktops using modern web technologies like service workers, Web App Manifests, and the Cache API. Faster reach, lower cost, and one codebase for every platform.
Learn MoreWhat We Build For You with PWA
Progressive Web Apps use modern browser APIs to deliver app-like experiences right from a URL. Your users install your app without visiting an app store, use it offline, and get push notifications — all while you maintain just one codebase. Here is what we build.
Custom Progressive Web Apps
We build PWAs from the ground up using React, Angular, Vue, or Next.js — powered by service workers, Web App Manifests, and the Cache API. Your app installs on phones, tablets, and desktops directly from the browser. It loads instantly (even on slow networks), works offline, sends push notifications, and runs in full-screen mode with its own icon on the home screen. No app store downloads, no 30% commission, no approval delays. Your users just tap "Add to Home Screen" and they are in. One codebase serves every platform and every device.
E-Commerce & Retail PWAs
E-commerce PWAs load 2–3x faster than traditional mobile sites — and speed directly increases conversions. We build shopping experiences with instant page transitions, offline product browsing, persistent shopping carts, push notification campaigns for abandoned carts and promotions, Stripe/PayPal checkout, Apple Pay/Google Pay, barcode scanning, and one-tap reordering. Alibaba saw 76% higher conversions after switching to a PWA. Starbucks’ PWA is 99.84% smaller than their iOS app. You get the reach of the web with the engagement of a native app.
SaaS & Dashboard PWAs
Complex web applications — project management tools, CRM dashboards, analytics platforms, admin panels — work even better as PWAs. We build installable SaaS apps that open instantly from the taskbar or dock, work offline with cached data, sync automatically when the connection returns, and send real-time notifications for alerts and updates. Your users get a desktop-app experience without downloading anything. Background sync keeps data fresh, IndexedDB stores local records, and WebSocket connections enable real-time collaboration across teams.
Website-to-PWA Conversion
Already have a website or web app? We convert it into a full Progressive Web App without rebuilding from scratch. We add a service worker for offline support and caching, create a Web App Manifest for installability, implement push notifications, optimize performance for Lighthouse scores above 90, and configure the app shell architecture for instant loading. Your existing site becomes installable, offline-capable, and re-engageable with push notifications — typically in 2–4 weeks. It is the fastest way to give your users an app-like experience.
Offline-First & Real-Time PWAs
We build PWAs designed to work offline first and sync when connectivity returns. Using service workers, the Cache API, IndexedDB, and Background Sync, your app stays fully functional without an internet connection. Field workers, delivery drivers, healthcare staff, and construction teams can use your app in areas with spotty or zero connectivity — data saves locally and syncs automatically later. For real-time features, we add WebSockets, Server-Sent Events, and Web Push API for live notifications, chat, and collaborative editing.
PWA Performance & Lighthouse Optimization
A slow PWA defeats the purpose. We obsess over performance — targeting Lighthouse scores of 90+ across Performance, Accessibility, Best Practices, and SEO. We implement smart caching strategies (cache-first, network-first, stale-while-revalidate), code splitting, lazy loading, image optimization (WebP/AVIF), tree shaking, preloading critical resources, and Core Web Vitals optimization (LCP, FID, CLS). We also audit existing PWAs to fix performance bottlenecks, broken service workers, and caching issues. Your app loads in under 2 seconds on 3G.
How We Work
Discovery
Workshops, research, and business goals alignment to define your vision and project scope.
Planning
Solution blueprint, technology stack selection, and roadmap for scalable digital growth.
Design
User-centred design, wireframes, prototypes, and interactive mockups for validation.
Development
Agile sprints, rapid prototyping, and continuous integration for faster, smarter delivery.
Testing
Quality assurance, performance testing, and security validation to ensure reliability.
Deployment
Go-live execution, training, and ongoing support to keep solutions future-ready.
Our clients and projects
Software solutions for monitoring Oil & Gas company
Our Front-End engineers work as part of the team of a US company — the leader in Digital Oilfield Solutions. The task was to create an upgraded version of a web-based solution that optimizes oil and gas equipment and answers critical questions about its condition and performance.
VIEW CASE STUDY ❯❯❯
“The quality of the work and engagement has been so good. They go beyond simply executing a task, story or test and are genuinely interested in understanding what the end user wants/needs.”
Media content management platform
ANC is a New York-based company that builds unforgettable digital experiences for brand marketing. Through immersive design and multimedia services, they transform commercial spaces — stadiums, entertainment venues, transit hubs, and trade centers.
VIEW CASE STUDY ❯❯❯
“They work to help develop our company instead of only being a third-party service provider. As a result, they’ve become a part of our company, which is very cool.”
ML-powered laboratory diagnostics software
Selux Diagnostics is a US biotech company transforming infectious disease diagnostics with rapid antibiotic susceptibility testing to combat antimicrobial resistance and enable personalized therapies.
VIEW CASE STUDY ❯❯❯
“INNERLUXES resources are embedded in our team and serve as an extension to our workforce. And during the inevitable crunch periods INNERLUXES was able to rapidly increase our access to a skilled resource pool.”
AI-powered automation platform
Our client provides an AI-based collaborative platform that helps SRE teams respond to production incidents using a breakthrough approach. With this product, they can adopt SRE methodologies and reduce toil while getting a unified view of incidents.
VIEW CASE STUDY ❯❯❯
“The reliability and quality of the work done by the team are impressive.”
Frequently Asked Questions
Got questions about PWAs? Here are simple, honest answers to what people ask us most.
What exactly is a Progressive Web App (PWA)?
A Progressive Web App is a website that behaves like a native app. It uses modern browser technologies — service workers, Web App Manifests, and the Cache API — to load instantly, work offline, send push notifications, and install on your phone or desktop without going through an app store. Users visit your URL and tap "Add to Home Screen" to install it. It opens in full-screen mode with its own icon, just like any native app. Twitter Lite, Starbucks, Pinterest, and Spotify all use PWAs. It is the web, but with superpowers.
How much does a PWA cost to build?
PWAs are significantly cheaper than native apps because you build one codebase that works everywhere. Converting an existing website to a PWA costs $5,000–$15,000. A new custom PWA with offline support, push notifications, and authentication costs $15,000–$50,000. A complex PWA (e-commerce, SaaS dashboard, real-time features) ranges from $50,000–$150,000+. You also save money on distribution — no app store fees, no separate iOS and Android builds, and your existing web team can maintain everything. The total cost of ownership is typically 50–70% less than native.
PWA vs native app — which is better?
It depends on your needs. PWAs are better for reach, speed to market, and cost — they work on every device from a single URL, need no app store approval, and cost far less to build and maintain. Native apps are better for hardware-intensive features like 3D gaming, AR/VR, advanced Bluetooth, or HealthKit/Google Fit integration. For most business apps, e-commerce, content platforms, SaaS tools, and customer portals — a PWA delivers 90%+ of the native experience at a fraction of the cost. Many companies ship PWAs alongside native apps to capture users who do not want to download anything.
Do PWAs really work offline?
Yes. Service workers cache your app’s HTML, CSS, JavaScript, images, and API responses so the app loads and functions even with no internet connection. You choose what gets cached and what strategy to use — cache-first for speed, network-first for fresh data, or stale-while-revalidate for a balance of both. IndexedDB stores structured data locally. Background Sync queues user actions (form submissions, uploads, messages) and sends them automatically when the connection returns. Your users can browse products, fill out forms, read content, and use the app offline — data syncs seamlessly when they are back online.
How long does it take to build a PWA?
Converting an existing website to a PWA takes 2–4 weeks. A new custom PWA takes 6–12 weeks for a mid-sized project. A complex PWA with real-time features, offline-first architecture, and integrations takes 3–6 months. If you already have a React, Angular, or Vue app, adding PWA capabilities (service worker, manifest, offline support, push notifications) is relatively fast — often 1–3 weeks. We work in 2-week sprints so you see working features early and can launch an MVP quickly while we continue adding features.
Do PWAs work on iOS (iPhone & iPad)?
Yes — and iOS support has improved significantly. Safari supports service workers, offline caching, Web App Manifest, and home screen installation. Push notifications for PWAs on iOS landed in iOS 16.4 and work well. There are some limitations compared to Android (no background sync yet, limited storage quotas), but for most use cases PWAs work great on iPhones and iPads. We design around iOS-specific behaviors to ensure a smooth experience. Many major companies — including Twitter, Starbucks, and the Financial Times — serve millions of iOS users through their PWAs.
Ready to Build a
Lightning-Fast PWA?
Tell us what you need. We will build a Progressive Web App that loads instantly, works offline, and reaches every user on every device — no app store needed. Faster, cheaper, and easier to maintain than native. Free consultation, no strings attached.
Talk to Our PWA Experts