Web App

Progressive Web Apps

App-like experiences in the browser — no app store required.

PWAs combine the reach of the web with native app features: offline mode, push notifications, home screen install, and blazing performance.

Progressive Web Apps
From $15 UI Implementation

Build one screen from a design. Screen-level work starts here; a full PWA build is quoted per project. Every job is quoted in writing before we start, and the price only moves if the scope does.

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Our Offerings

Progressive Web Apps Services We Provide

01

Custom PWA Development

Installable, app-like web experiences built with React, Angular, or Vue plus Workbox service workers. Users get home-screen icons, push notifications, and sub-second repeat loads without an app store.

02

Website-to-PWA Conversion

We retrofit your existing site with a service worker, web app manifest, and offline caching strategy in as little as 3-4 weeks. Conversions keep your URL equity and SEO intact while adding native-feel UX.

03

Offline-First Architecture

IndexedDB storage, background sync, and conflict resolution so field teams keep working with zero connectivity. Data queues locally and syncs automatically the moment a connection returns.

04

Push Notification Engagement

Web push campaigns with segmentation, scheduling, and opt-in flows that respect browser permission best practices. PWA push re-engagement typically lifts return visits by 25-50% versus email alone.

05

PWA Performance Engineering

App-shell architecture, code splitting, and precaching tuned to hit Lighthouse PWA scores of 95+. Repeat visits load from cache in under 500 milliseconds on mid-range devices.

06

PWA for E-Commerce

Storefront PWAs with cached catalogs, one-tap checkout, and add-to-home-screen prompts at high-intent moments. Retailers using our PWAs report 20-35% higher mobile conversion than their previous responsive sites.

What We Deliver

End-to-End Progressive Web Apps

  • Offline-first architecture
  • Push notifications
  • Add to home screen
  • Service workers
  • App shell model
  • Cross-platform reach
Why Choose Devlex

Business Outcomes That Matter

✓No app store fees
✓Instant updates
✓Works on any device
✓Lower development cost
Technologies

Tools & Stack We Use

We pick the right technology for your goals — not the trendiest framework.

  • React
  • Next.js
  • Service Workers
  • Workbox
  • Firebase
  • Lighthouse

Our Approach

  1. Discover — Understand goals & constraints
  2. Design — Architecture & UX blueprint
  3. Build — Agile sprints with weekly demos
  4. Launch — Deploy, test & support
0Years of Experience
0Projects Delivered
0Global Clients
0In-house Experts
0Countries Served
0Code Ownership
How We Work

What You Get In Writing

Terms that go into every agreement we sign. See all client commitments.

A Written Price Before Work Starts

Every job gets a scope and a number in writing first — a fixed price for defined work, or an hourly rate with a capped estimate. If scope changes, we re-quote before we build, not after.

You Own the Code

Source code, designs, and data are yours. We work in your repository where possible, hand over full documentation, and transfer everything at the end. No license fees, no hostage situations.

NDA Before You Share Anything

We sign your NDA — or send ours — before the first technical conversation. Your idea, your data, and your customer information stay confidential during and after the engagement.

FAQ

Progressive Web Apps — FAQs

Everything you need to know before starting your project. Still have questions? Talk to our team.

E-commerce stores, media publishers, booking platforms, and field-service operations see the strongest returns because PWAs eliminate install friction and work on flaky networks. If most of your traffic is mobile web and you want app-like engagement without app store costs, a PWA is usually the right call.

Converting an existing site to a PWA takes 3-6 weeks; a full custom PWA built from scratch takes 2-4 months. Timelines depend mostly on offline requirements and the number of third-party integrations.

A custom PWA typically runs $15,000 to $50,000 — roughly 50-60% less than building separate iOS and Android native apps, since one codebase serves every platform. Site-to-PWA conversions start around $8,000.

Yes, full source code and IP rights transfer to you on final payment. You receive the Git repository, service worker configuration, build pipeline, and documentation so any team can maintain it.

Every PWA ships with 90 days of free bug fixes, then optional monthly maintenance covering browser compatibility updates, cache strategy tuning, and dependency patches. Browser vendors ship changes every 4-6 weeks, so proactive maintenance keeps your PWA performing.

Yes. Using Trusted Web Activity for Google Play and PWABuilder packaging for the Microsoft Store, we can publish your PWA as a store listing in 1-2 weeks. Apple's App Store requires a thin native wrapper, which we also build when needed.

Ready to start your progressive web apps project?

Get a free consultation and a detailed project estimate within 24 hours.

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