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Mobile app development · Android & iPhone

Mobile app development company in India.

Hire RDMI to build a custom app for your customers or business team. Review a free design preview and written quote before you decide. Development runs in agreed milestones.

  • A written scope before we buildYou approve every milestone
  • Free design preview · No obligation to build
  • Built and tested in agreed milestones
APPS WE CAN BUILDTap to switch
Booking app screen: choose a doctor, a day and a time slot

Example scope

First release
Search & availability · Booking & payments · Customer booking updates
Key connections
Payment gateway, calendar sync, admin panel

Real app screens with sample data · Try this app

  • No obligation to build
  • NDA available on request

RDMI Tech Ventures Pvt. Ltd.India-based teamCall or WhatsApp +91 98185 65561

Technology we build with

  • Next.js
  • React Native
  • Flutter
  • Node.js
  • Python
  • WhatsApp Business Platform
  • n8n
  • OpenAI GPT
  • Claude
  • Shopify

Apps we can build

See the kind of app you could have.

Real screens from apps built by our team, shown with sample data. Pick one to get your free quote.

Booking app: doctor, day and time slot selection

Booking app

Customers pick a time. Your team confirms.

Try it
Shopping app: product collection with filters

Shopping app

Customers browse, add to bag and pay.

Try it
Field team app: today's visits with outcome and notes

Field team app

Your team logs visits and next steps on the go.

Try it
Customer app: request status steps and messages

Customer app

Customers track orders, requests and documents.

Try it
App with AI help: drafts waiting for approval

App with AI help

AI prepares replies. Your team approves.

Try it

How it works

Review the design. Build in milestones.

Review key-screen designs first. Development starts after you approve the written scope, then runs milestone by milestone.

  1. 1

    Share your contact details

    Request a free quote using the short form. We aim to reply within 2 business hours to discuss your app.

  2. 2

    Review your free design

    We agree a delivery time for your key-screen designs and written quote. No obligation.

  3. 3

    Build in milestones

    Approve the preview and written scope. Then we build milestone by milestone.

  1. Free design previewKey-screen designs + written scope
  2. Milestone 1Design approved, first screens built
  3. Milestone 2Working app to test
  4. LaunchTesting, store release, handover

Example milestones; yours are agreed with you in writing.

Initial reply target: 2 business hours

Your free design preview includes

  • Your main screensThe key screens of your app, designed for your customers.
  • Your feature planWhat to build first, and what can wait.
  • Android, iPhone or bothThe right choice for your users.
  • Your written scopeFeatures and delivery milestones in writing.
  • What to check firstPayments, logins and app store approvals to confirm.

Free to request. No obligation to proceed.

Source code, ownership and handover are agreed in writing.

Your first app, made clear

Start with one useful customer journey.

Choose what your app needs to do. See what we would plan first, then shape it around your business.

Review your design first.Free key-screen preview · Delivery time agreed
YOUR ANDROID + IPHONE PLAN01 / 03

From finding a slot to a confirmed booking.

Connect customers, availability and your team in one clear flow.

  • Services, dates and available slots
  • Customer details and payment flow
  • Booking status and staff controls

We check cancellations, refunds and calendar rules before quoting.

Made for Indian customers

Their language. Their payments. Their WhatsApp.

We plan the app around how your customers already browse, pay and ask for help.

Easy to understand

Screens and messages in English, Hindi or regional languages, agreed and reviewed with your team.

Payments that feel familiar

UPI and card payments through the payment gateway you choose.

Help where they already chat

Order updates and support planned around WhatsApp.

Agreed in writing

Know what you get before we build.

Your scope covers user roles, Android and iPhone coverage, the admin panel and integrations. You see it in writing with your free preview.

Agreed in writing

  • Written scope and delivery milestones
  • You approve each milestone
  • Design, development and device testing
  • Store submission support and handover

Set up in your name

  • Google Play and Apple developer accounts
  • Hosting and backend services
  • SMS, WhatsApp and payment-gateway accounts

Start free.See your app design and key screens first. Approve the preview, then we build in milestones. No obligation to build.

Before you decide

Good questions. Straight answers.

Still thinking it through?

What do I get before committing to a build?

A free app preview first: review the design and key screens before development starts. There is no obligation to build. We aim to reply within 2 business hours, then agree the plan and preview scope and delivery time with you. Development starts after you approve the preview and agree the written scope and schedule.

How does the build work?

In milestones. After you approve the free preview and the written scope, we build stage by stage and you review each milestone as it is delivered.

Can you improve an app we already have?

Yes. Share what works, what is causing problems and what needs to change. We can review the existing product and recommend a focused improvement, modernisation or rebuild based on the findings.

Who owns the source code and accounts?

Your business owns the agreed source code, design assets and product IP under the contract. Cloud and app-store accounts should be controlled by your business. Ownership and handover are documented in the project scope.

Do we need native apps, Flutter or React Native?

That depends on device features, performance and the team maintaining the app. We recommend an approach for your product instead of choosing a framework before understanding the brief.

What happens after launch?

We agree testing, app-store submission support, handover and any ongoing maintenance before the build. Continued support is defined in the written scope, so its responsibilities are clear.

Start with a free design preview

Ready to hire an app development team?

Request a free quote. We’ll discuss your app and launch plans, then agree your free preview and written scope.

Free design preview · Built in agreed milestones
Chat about your app