What is a native app? What does cross-platform mean? A plain explanation

When you start researching mobile apps you run into words like "native", "cross-platform" and "hybrid". In this post we explain what each one means without technical jargon. We cover which one to choose in a separate post: cross-platform or native?

What is a native app?

"Native" means built for one specific platform. In the mobile world, a native app is an app written for one operating system (iOS or Android) using that system's own development tools, and only for that system. For iPhone it is written with Apple's tools (usually the Swift language), and for Android with Google's tools (usually Kotlin). So the same app ends up as two separate projects and two separate codebases.

The strengths of a native app:

• The most direct access to the phone's hardware and system features,
• New platform features are available from day one,
• The highest performance for heavy work such as intensive graphics, games or augmented reality.

Its weaknesses:

• Two codebases: development and every update are done twice,
• The timeline and budget are usually higher,
• A risk that the same feature behaves differently on the two platforms.

What does cross-platform mean?

Cross-platform means building an app for both iOS and Android from a single codebase. Flutter and React Native are well-known frameworks for this approach. The app is written once and published to both stores.

In most business apps (appointments, orders, memberships, tracking, notifications), users can't tell a cross-platform app from a native one.

Its strengths:

• One codebase: one development effort, one maintenance, the same experience on both platforms,
• Usually a shorter timeline and lower cost,
• New features arrive on both platforms at once.

Its weaknesses:

• Very specific hardware features may need extra work,
• Some subtle platform-specific behaviours may need separate tuning.

What are hybrid and web-based apps?

A hybrid app is built with web technologies and packaged inside an app shell. A web-based app (PWA) runs in the browser and isn't downloaded from a store. Both can offer a faster and cheaper start, but they may fall behind native and cross-platform options in using the phone's features and in performance.

The differences at a glance

• Native: Separate code for each platform, the highest performance and hardware access, the highest cost.
• Cross-platform: One codebase, two platforms, a balanced option for business apps.
• Hybrid / web (PWA): Web technology, a quick start, limited device access.

Which one when?

• For typical business apps such as appointments, orders, memberships, tracking and notifications, cross-platform is usually the right fit,
• For apps that need heavy graphics, games or special hardware, native,
• If you want to test an idea quickly and don't need device features, a web-based start.

When deciding, budget, timeline and the app's long-term maintenance should be considered together. We compare them in detail in our post cross-platform or native?

Frequently asked questions

Is a native app always better?

No. Unless you need heavy graphics, games or special hardware, users of most business apps can't feel the difference between native and cross-platform. That is why the decision usually comes down to budget, timeline and maintenance.

Can a cross-platform app be published on the App Store and Google Play?

Yes. A cross-platform app is published to both stores as a normal app; users can't tell the difference when downloading it.

Is a native app more expensive than cross-platform?

Usually yes, because two separate codebases are developed and maintained. The real cost is determined by the scope of the app.

Can you switch from native to cross-platform later, or the other way round?

It is possible, but it often means rewriting most of the app. That is why it is cheaper to make the choice at the start, based on what the app needs.

Conclusion

Native is an app written for one platform; cross-platform is an app that reaches two platforms from one codebase. The right choice depends on what your app will do. We build apps cross-platform, and we also take care of the server side, the admin panel and publishing to the App Store and Google Play. You can look at our mobile app development service and tell us about your idea.