// App Development · the USA

App Development Service in the USA

Webdenn is an app development company serving the USA. We design in Figma and build native iOS & Android and cross-platform mobile apps with React Native, Expo and Flutter for startups, SaaS companies, agencies and SMBs around businesses across all US states — shipped to both the App Store and Play Store.

Start your app →View pricing

App.tsxHome.tsxapp.json▶ Run on device

1import React, { useState } from 'react';

2import { View, Text, Pressable, StyleSheet } from 'react-native';

4export default function App() {

5 const [count, setCount] = useState(0);

6 const launch = () => setCount(c => c + 1);

8 return (

9 <View style={styles.screen}>

10 <Text style={styles.title}>

11 Build once. Ship to iOS & Android.

12 </Text>

13 <Pressable style={styles.btn} onPress={launch}>

14 <Text style={styles.btnText}>Get started ({count})</Text>

15 </Pressable>

16 </View>

17 );

18}

20const styles = StyleSheet.create({

21 screen: { flex: 1, padding: 24, backgroundColor: '#fff' },

22 title: { fontSize: 22, fontWeight: '700', color: '#0e0e0e' },

23 btn: { marginTop: 16, padding: 14, borderRadius: 12, backgroundColor: '#0a8fc4' },

24 btnText: { color: '#fff', textAlign: 'center', fontWeight: '600' },

25});

9:41

Get started

Fast Refresh

$ npx expo startMetro waiting on exp://192.168.1.5:8081✓ Android Bundling complete — 100%✓ iOS Bundling complete — 100% Fast Refresh enabled · building for App Store & Play Store

iOS App

Swift · App Store

Native feel
Face ID
Push

Android App

Kotlin · Play Store

Material UI
Fast
Secure

Cross-Platform

React Native · Expo

One codebase
OTA updates
iOS + Android

Progressive Web App

Installable · Offline

No app store
Offline
Add to home

// From idea to the app store

How we take your the USA app from design to download

UXDesignFigma UI/UX & prototype

RNBuildReact Native · Expo · Flutter

OSNativeiOS (Swift) · Android (Kotlin)

APIBackendAPIs · Auth · Realtime · Push

GOShipApp Store · Play Store · OTA

React NativeExpoFlutterSwiftKotlinTypeScriptFirebaseNode.jsGraphQLREST APIs

// What we build

Mobile apps for the USA businesses

From native iOS & Android apps to cross-platform, on-demand and e-commerce apps, we deliver complete mobile app development for startups, SaaS companies, agencies and SMBs in the USA — designed in Figma and built with React Native, Expo and Flutter to launch on both stores.

Native iOS Apps

High-performance Swift / iOS apps tuned for the App Store and every iPhone & iPad.

Native Android Apps

Kotlin / Android apps built for the Play Store and the full range of Android devices.

Cross-Platform Apps

One React Native or Flutter codebase that ships to iOS and Android — faster and cost-efficient.

On-Demand & Marketplace Apps

Delivery, booking and marketplace apps with payments, maps, tracking and real-time updates.

E-commerce & Retail Apps

Shopping apps with carts, secure checkout, push offers and loyalty built in.

Progressive Web Apps

Installable, offline-ready PWAs that feel native without an app-store download.

// Why Webdenn

An app development service the USA businesses trust

React Native & Expo experts

One codebase, native feel, fast iteration — and Over-the-Air updates with Expo.

Design-first, like Canva

Clean, intuitive UI/UX prototyped before a line of code, so the app just feels right.

Focused on the USA

We understand the audience around businesses across all US states, so your app speaks to the right users.

Launch & beyond

We handle App Store & Play Store submission, analytics, crash reporting and updates.

// We also serve

App development in nearby areas & cities

Looking for app development beyond the USA? Explore the other areas and cities where Webdenn builds native and cross-platform mobile apps:

the UK Dubai the UAE Canada Australia Singapore Cyber City, Gurugram Cyber Hub, Gurugram DLF Phase 1, Gurugram DLF Phase 2, Gurugram DLF Phase 3, Gurugram DLF Phase 4, Gurugram DLF Phase 5, Gurugram Golf Course Road, Gurugram

See our complete app development services in Gurugram, or build the matching website in the USA too.

// FAQs

App development in the USA — your questions

How much does app development cost in the USA?

App development cost in the USA depends on the platforms (iOS, Android or both), features, integrations and design. A cross-platform MVP costs less than two separate native apps. After a quick discovery call, Webdenn shares transparent, per-project pricing for your scope.

Do you build native or cross-platform apps for businesses in the USA?

Both. We build native iOS (Swift) and Android (Kotlin) apps when you need maximum platform performance, and cross-platform apps with React Native, Expo or Flutter when you want one codebase shipping to both stores faster and more cost-effectively for the USA businesses.

Will you publish my app to the App Store and Play Store?

Yes. We handle the full launch — store accounts, builds, app icons, screenshots, review guidelines and submission to both the Apple App Store and Google Play — plus analytics, crash reporting and post-launch updates.

Do you build apps for startups, SaaS companies, agencies and SMBs in the USA?

Absolutely. We build mobile apps for startups, SaaS companies, agencies and SMBs in the USA, from on-demand and marketplace apps to e-commerce and SaaS apps, each with secure backends, payments and real-time features built in.

Ready to build your app in the USA?

Tell us about your idea in the USA— we’ll design and build a fast, beautiful iOS & Android app and launch it to both stores.

Get a free quote →