One of the most common questions we get from clients is whether they should build a web app, a mobile app, or both. The answer depends on several factors specific to your business and users.

Understanding the Options

Web Applications

Web apps run in browsers and are accessed via URLs. They can be:

  • Traditional web apps: Server-rendered pages
  • Single-page applications (SPAs): Rich, app-like experiences
  • Progressive Web Apps (PWAs): Web apps with mobile-like features

Pros:

  • Single codebase works across all platforms
  • No app store approval process
  • Easier to update and maintain
  • Lower development cost
  • Better for SEO

Cons:

  • Limited access to device features
  • No presence in app stores
  • Requires internet connection
  • Less “native” feel on mobile

Mobile Applications

Native or cross-platform apps installed on devices:

  • Native apps: Built specifically for iOS or Android
  • Cross-platform: Single codebase for both platforms (React Native, Flutter)

Pros:

  • Full access to device features (camera, GPS, sensors)
  • Better performance
  • Works offline
  • App store visibility
  • Push notifications

Cons:

  • Higher development cost (especially native)
  • App store approval and fees
  • Users must download and install
  • Multiple codebases to maintain (native)

Decision Framework

Choose Web When:

  1. Budget is limited: Web apps are typically 30-50% cheaper to build
  2. SEO is important: You need to be found via search engines
  3. Frequent updates: You need to iterate quickly without app store delays
  4. Wide reach: You want to reach users across all devices immediately
  5. Simple interactions: Your app doesn’t need complex device integration

Choose Mobile When:

  1. Offline functionality is crucial: Users need to access content without internet
  2. Device features are core: Camera, GPS, Bluetooth, or sensors are essential
  3. High-frequency usage: Users will interact with your app multiple times daily
  4. Monetization via app stores: Your business model includes in-app purchases
  5. Performance is critical: You need smooth animations and fast interactions

Consider Both When:

  1. You have the budget: A web app for reach plus a mobile app for engaged users
  2. Different use cases: Web for browsing/discovery, mobile for core functionality
  3. Enterprise deployments: Web for admin/back-office, mobile for field workers

Our Recommendation

For most startups and new projects, we recommend starting with a well-designed Progressive Web App (PWA). It gives you:

  • The reach and cost-effectiveness of web
  • Mobile-like experience on phones
  • The option to wrap it as a native app later

Once you’ve validated your product and understand user behavior, you can invest in native mobile apps if the data supports it.

Conclusion

Don’t let technology drive business decisions. Start with your users: who are they, how will they use your product, and what’s the minimum viable experience you need to deliver value? The technical implementation should follow from those answers.