HR-250, B/4 Left Side, 60 Feet Road, Pul Prahladpur, New Delhi, Delhi 110044Pul Prahladpur, New Delhi +91 87966 84861  |  otpsecurityservices14@gmail.com
Development & Design

Mobile App Development

Android and iOS apps for customers, staff and field teams.

We build mobile apps that people keep using: booking apps, delivery apps, staff apps, customer portals and more. One codebase can serve both Android and iOS, which keeps cost and maintenance down.

We handle everything from screen design and the admin panel to publishing on the Play Store and App Store.

What's included

Android and iOS apps

Cross-platform with Flutter or React Native, or native when needed.

Admin panel

A web dashboard to manage users, orders, content and reports.

Push notifications

Send offers, reminders and updates straight to users' phones.

Login and OTP verification

Secure sign-in with mobile OTP, email or Google.

Payments and maps

In-app payments, location tracking and route features.

Store publishing

Play Store and App Store listing, review and release handled for you.

How we deliver it

  1. Understand

    A short call or visit to learn your business, goals and budget.

  2. Plan and quote

    A written scope, timeline and fixed quote you can approve.

  3. Build and test

    Regular updates while we build, with checks at every stage.

  4. Launch and support

    Go-live, training and ongoing support from the same team.

Tools and platforms

FlutterReact NativeKotlinSwiftFirebaseNode.js

Questions about Mobile App Development

How much does an app cost?

It depends on the screens and features. After a short call we send a written scope with a fixed quote so there are no surprises.

Do you maintain the app after launch?

Yes. We offer monthly maintenance covering OS updates, bug fixes, server monitoring and small improvements.

Related services

Tell us what you need

Share your requirement and get a clear plan and written quote, usually within one working day.