Best Mobile App Builder: Why Native Code Matters

Understanding why real native code compilation is essential for app performance, and how to identify the best mobile app builder for iOS and Android development.

Timothy Lindblom

Founder, Natively

Choosing the best mobile app builder can mean the difference between an app users love and one they abandon after the first session. The secret often lies in a technical detail many overlook: whether your app compiles to real native code or simply wraps a website in a mobile shell. According to recent industry research, native apps load 40% faster than web-based alternatives, and users spend an average of 5.1 hours daily on mobile devices with 88% of that time in apps rather than browsers.

Key Takeaways

  • Native apps are 40% faster — real native code compiles directly to machine instructions for superior performance
  • Webview apps have hidden limitations — browser-based rendering creates lag, battery drain, and restricted device access
  • User retention depends on performance — 53% of users abandon apps that take over 3 seconds to load
  • React Native delivers near-native speed — the best iOS and Android app builders use proven frameworks like React Native and Expo
  • Code ownership matters — true native builders give you exportable source code with no vendor lock-in

Native App Performance Stats

40%
Faster load times vs web apps
60fps
Smooth animation target
3-4x
Higher conversion rates
88%
Mobile time spent in apps

Sources: AppDynamics 2025 Study, Criteo Commerce Report

The Hidden Problem with Many App Builders

The mobile app market is projected to generate $935 billion by the end of 2025, yet many entrepreneurs and businesses unknowingly choose app builders that produce inferior results. The culprit? Webview-based technology that essentially wraps a website in a mobile container and calls it an app.

When searching for the best mobile app builder, understanding this distinction becomes critical. Apps built with webview technology often suffer from sluggish performance, limited device access, and user experiences that feel noticeably different from apps like Instagram, Uber, or Spotify — all of which use native code.

The Real Cost of Webview Apps

Research shows that users exit apps that take longer than 3 seconds to load. With global app downloads expected to surpass 300 billion annually in 2025, even small performance differences can significantly impact your success.

Native Apps vs Webview Apps Explained

To find the best iOS mobile app builder or best Android mobile app builder, you first need to understand the fundamental difference between how apps are built and executed.

Native Apps

  • Compile directly to machine code (ARM/x86)
  • Use platform-specific UI components
  • Direct access to device GPU and hardware
  • 60fps animations and smooth scrolling
  • Full camera, Bluetooth, NFC, sensor access

Technologies: React Native, Flutter, Swift, Kotlin

Webview Apps

  • Run through browser rendering engine
  • Limited to web-based UI elements
  • Additional abstraction layer adds overhead
  • Animations often lag or stutter
  • Restricted device hardware access

Technologies: Cordova, Ionic (webview mode), PhoneGap

According to React Native documentation, achieving at least 60 frames per second is essential for providing a native look and feel. Webview-based apps struggle to maintain this threshold, especially during complex animations or data-heavy screens.

Performance: The Numbers Tell the Story

When evaluating the best mobile app builder for your project, performance metrics provide objective criteria. Here is how native and webview approaches compare across key benchmarks.

Performance Comparison

Native apps vs Webview apps - Real metrics

Native Apps
Webview Apps

App Launch Time

Time from tap to fully interactive

Native
1.5seconds
Webview
4.2seconds

Animation Framerate

Frames per second during animations

Native
60fps
Webview
35fps

Touch Response

Delay between touch and visual feedback

Native
80ms
Webview
220ms

Memory Usage

RAM consumption for typical app

Native
120MB
Webview
195MB

Battery Impact

Battery drain during active use

Native
2.1%/hr
Webview
3.4%/hr

Native apps consistently outperform webview alternatives

Across all key metrics, native code delivers 30-60% better performance. This translates directly to improved user retention and satisfaction.

* Data based on industry benchmarks and AppDynamics 2025 study. Results may vary by app complexity.

MetricNative AppsWebview AppsDifference
App Launch Time<2 seconds3-5 seconds40-60% faster
Animation Frame Rate60 fps30-45 fps33-50% smoother
Memory UsageOptimizedHigher overhead30-50% less RAM
Battery ConsumptionEfficientHigher drain20-30% better
Touch Response<100ms100-300msInstant feel

These differences become particularly noticeable in demanding applications. Industry analysis confirms that gaming apps, AR/VR experiences, and real-time data processing applications particularly benefit from native development superior performance.

How App Architecture Affects User Experience

Performance metrics translate directly into user behavior. Understanding these connections helps explain why choosing the best Android mobile app builder or best iOS mobile app builder with native code support matters for business success.

3-4x

Higher Conversion

Shopping app conversion rates run 3-4x higher than mobile web, according to Criteo data.

32%

Better Retention

Mobile app retention reaches 32% vs 20% for web apps over a 90-day period, research shows.

50%

Push Notification Boost

Push notifications increase retention by 50% on native apps vs 30% on web, per MobiLoud.

Why Performance Perception Matters

Users may not consciously notice the technical differences, but they feel them. A native app with instant touch response and smooth scrolling creates confidence and trust. Studies indicate that 57% of users find mobile apps more convenient and faster than web apps, directly influencing their engagement and purchasing decisions.

Test Your Knowledge

Native vs Webview - Can you spot the difference?

Question 1 of 4Score: 0/0

Which of these is a sign that an app is using webview technology?

How to Identify True Native App Builders

Not all app builders advertise their underlying technology clearly. Here are the key indicators to determine whether a platform produces real native code or relies on webview wrappers.

1

Check the Technology Stack

The best mobile app builders clearly state their framework. Look for React Native, Flutter, Swift, or Kotlin. Avoid platforms that mention Cordova, PhoneGap, or generic HTML5 hybrid approaches.

2

Verify Source Code Access

True native builders provide full source code that you can export, examine, and modify. If a platform locks your app behind proprietary systems with no code export, that is a red flag.

3

Test Device Feature Access

Native apps can access camera, Bluetooth, NFC, accelerometer, and biometric sensors natively. Webview apps often require plugins that work inconsistently or have limited functionality.

4

Examine Sample Apps

Download and test apps built with the platform. Pay attention to scrolling smoothness, animation fluidity, and touch responsiveness. Native apps feel snappier and more integrated with the device.

React Native: The Gold Standard

According to framework comparisons, React Native leads hybrid development with near-native performance through actual native component rendering. Unlike traditional hybrid frameworks, React Native bridges JavaScript code to native APIs, avoiding WebView limitations entirely.

Choosing the Right Mobile App Builder

With the market flooded with options, finding the best mobile app builder requires evaluating several factors beyond just native code support. Here is a framework for making the right choice.

Essential Requirements

  • Native code compilation — React Native, Flutter, or platform-native
  • Full source code ownership — export and deploy anywhere
  • Cross-platform support — iOS, Android from one codebase
  • Backend integration — database, auth, and API support
  • App store deployment — direct publishing capability

Warning Signs to Avoid

  • No source code access — vendor lock-in risk
  • Vague tech descriptions — likely webview-based
  • Template-only customization — limited flexibility
  • Proprietary hosting required — dependency issues
  • Sample apps feel sluggish — poor native performance

Build Native Apps Without the Complexity

Natively uses React Native and Expo to compile your apps to real iOS and Android native code. Get AI-powered development with full source code ownership, starting at $5/month.

Start Building Your App

Why Natively Compiles to Native Code

Unlike many no-code builders that rely on webview technology, Natively specifically uses React Native and Expo — the same technology stack used by companies like Facebook, Instagram, Shopify, and Discord. This means your apps compile to real iOS and Android native code, not browser wrappers.

React Native
Native UI Components
Expo SDK 54
Production Framework
Supabase
Backend Included

Frequently Asked Questions

What is the difference between native apps and webview apps?

Native apps compile directly to machine code and use platform-specific UI components, delivering 40% faster load times and 60fps performance. Webview apps wrap web content in a browser container, resulting in slower performance and limited device access.

Why do some no-code apps feel slow or clunky?

Many no-code app builders create webview-based apps that render content through a browser layer. This adds processing overhead, causing lag during animations, slower touch response times, and inconsistent scrolling behavior compared to native apps.

How can you tell if an app builder produces real native code?

Check for React Native, Flutter, or Swift/Kotlin in the tech stack. Native builders provide source code access, compile to .ipa/.apk files with actual native binaries, and apps can be tested with platform-specific developer tools showing native UI components.

What performance benefits does native code provide?

Native code provides direct GPU access for smooth 60fps animations, faster app launch times (under 2 seconds), lower memory usage, full device hardware access, and better battery efficiency. Studies show native apps load 40% faster than web-based alternatives.

Is React Native considered truly native?

Yes, React Native compiles to actual native components, not webviews. It uses the same fundamental UI building blocks as regular iOS and Android apps, accessing native APIs directly through a JavaScript bridge for near-native performance.

Continue Learning