App Development Services in India for Android & iOS

We design, build and launch mobile apps for startups and growing businesses. You get one team for design, development, testing, Play Store and App Store launch, and support.

Android, iOS or both from one codebase
Fixed timeline and itemised quote
App, admin panel and backend included
You own the source code

Get a Free App Quote See How We Work

Free consultation. Reply within one working day.

Android & iOS
UPI & card payments
Play Store & App Store launch
Post-launch support

Mobile app development services that bring in bookings, orders and enquiries

Growth Signal is a digital agency based in Gurugram, working with businesses across India. Our app development services cover Android, iOS and cross-platform apps that load fast, are simple to use and are planned around your business goal.

Everything stays under one roof: design, development, testing, store launch and the marketing that follows, from SEO and Google Ads to a website that supports your app. See the full list on our homepage.

Discuss Your App Idea

What you get with every project

Android, iOS or both from one codebase
App, admin panel and backend built together
UPI, card and wallet payment integration
Play Store and App Store publishing
Source code and full ownership handed to you
Maintenance and update support after launch

Our app development services

Choose the platform and scope that fits your budget. If you are not sure, we will recommend the right one on the first call.

Android app development

Fast, stable Android apps built with Kotlin or Flutter, made for the widest user reach in India.

iOS app development

Clean, secure iPhone and iPad apps built with Swift and designed to App Store standards.

Flutter & React Native apps

One codebase for Android and iOS. Faster delivery and lower cost without losing quality.

E-commerce & booking apps

Product catalogues, cart, UPI and card payments, order tracking and push notifications.

Custom business apps

CRM, field-staff, delivery, fleet and internal tools that replace spreadsheets and manual follow-ups.

UI/UX app design

Wireframes and clickable prototypes that you approve before development begins.

Android, iOS or Flutter: which should you choose?

The right platform depends on who your users are and what your budget is. Here is a quick guide. We confirm the best fit on your discovery call.

Option	Strength	Best for
Android (Kotlin)	Widest reach in India, wide device range	Audience-first apps for the Indian market
iOS (Swift)	Premium users, strong in metro cities and abroad	Premium, finance or international audiences
Flutter / React Native	Android and iOS from one codebase	Most startups and business apps

What kind of app do you want to build?

Delivery time depends mainly on scope. These are typical timelines, and you get an exact quote after a short discovery call.

App type	Typical features	Typical timeline
E-commerce / shopping app	Catalogue, cart, UPI payments, order tracking	8 to 14 weeks
Booking / appointment app	Slots, reminders, payments, provider dashboard	8 to 12 weeks
On-demand / delivery app	Customer, driver and admin apps with live tracking	12 to 20 weeks
Business / field-staff app	Attendance, tasks, reports, CRM sync	6 to 12 weeks
Simple info or utility app	Few screens, login, notifications	6 to 8 weeks

Timelines are indicative and vary with features, integrations and how quickly feedback is shared.

Get a Quote for My App

What decides the cost of app development

There is no single price for an app. These six factors set your quote, and we itemise each one so you can adjust scope to fit your budget.

Number of screens and features

More screens and features mean more design and development time.

Platforms

Android only costs less than Android and iOS. Cross-platform sits in between.

Payments and integrations

UPI, wallets, maps, SMS, WhatsApp and third-party APIs each add work.

User roles and admin panel

Customer, vendor, driver and admin roles need separate screens and logic.

Backend and hosting

Data volume, real-time features and expected users decide server needs.

Design depth

Custom animations and a full design system take longer than clean standard UI.

App development for every industry

We build for travel, real estate, logistics, e-commerce and service businesses, and shape features around how your industry actually works. Need a web version too? See our website development services.

E-commerce

Healthcare

Education

Logistics

Real estate

Finance

Travel & tourism

Food & hospitality

Our app development process

Five clear steps with your approval at each stage, so you always know what is being built and when it will be ready.

Start Your Project

Discovery call

We understand your goal, users and budget, then suggest the right features and platform.

UI/UX design

Wireframes and a clickable prototype for your approval, so there are no surprises later.

Development

Agile sprints with regular demos. You see working progress every week.

Testing & QA

Device, performance and security testing before anything goes live.

Launch & support

Play Store and App Store publishing, followed by maintenance and updates.

Technologies we use

We pick the stack based on your budget, timeline and how far the app needs to scale.

Flutter React Native Kotlin Swift Firebase Node.js PHP / Laravel MySQL PostgreSQL AWS

Why businesses choose Growth Signal for app development

Built around leads and revenue

We plan every app around what it should achieve: more bookings, orders or enquiries.

Developers who talk to you

Direct communication with the team building your app, not just a sales manager.

Transparent pricing

Itemised quotes with scope and timeline. No hidden charges.

Marketing-ready from day one

We are a digital marketing agency too, so analytics, ASO and Google Ads tracking are set up with the app.

Our working promises

A written scope and timeline before any development starts

A weekly demo so you see real progress, not just reports

One point of contact for the whole project

Full source code and ownership handed to you

App development company serving Gurugram, Delhi NCR and all of India

Our team is based in Gurugram, Haryana, and we deliver app development services to clients across India, including Delhi NCR, Mumbai, Bengaluru, Hyderabad, Pune, Chennai, Kolkata and Jaipur. Meetings run over video call, so location never slows a project down.

App development services: your questions answered

App development services cover everything needed to turn an idea into a working mobile app: planning, UI/UX design, Android and iOS development, backend and admin panel, testing, Play Store and App Store launch, and support after launch. At Growth Signal one team handles all of it.

The cost depends on the number of screens, features, platforms (Android, iOS or both), third-party integrations and the admin panel you need. A simple app costs far less than a marketplace or on-demand app. Share your requirements and we will send an itemised estimate after a short discovery call.

A basic app usually takes 6 to 10 weeks. Apps with payments, live tracking, multiple user roles or complex backends take longer. You get a fixed timeline with milestones before development starts.

If your audience is mostly in India, Android usually gives the widest reach. For premium or international audiences, iOS matters too. With Flutter or React Native we build both from a single codebase, which saves time and budget.

Flutter or React Native suits most business apps because one codebase serves both platforms and costs less. Native Kotlin or Swift is worth it for apps that need heavy device features, complex animations or the highest performance. We recommend one after understanding your requirements.

Yes. We build the full product: mobile app, admin dashboard, APIs, database and hosting setup, so you can manage users, orders and content without a developer.

Yes. We guide you through developer account setup and handle the store listing, screenshots, review requirements and ASO basics so your app gets approved and found.

You do. Source code and full ownership are handed over to you once the project is complete and paid for.

Yes. We offer bug fixing, OS-update compatibility, feature additions and performance monitoring under a simple maintenance plan.

Send us a short description of your idea through the contact page. We will set up a free discovery call, confirm scope and platform, and share an itemised quote with a timeline.

Grow your app with our other services

Have an app idea? Let's talk.

Tell us what you want to build. We will suggest the right features and platform, and send a clear quote.

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