OAOADEVELOPERSSOFTWARE & MOBILE APPS
Full Engineering & Digital Services

Websites, Android Apps & Custom Software

Built directly by software engineers for businesses across India. We deliver fixed-price quotes, weekly working test builds on your devices, and 100% source code ownership.

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Primary Solutions

Flagship Business Systems

Websites and Web Portals

Fixed Quote on Request

Fast business websites that turn local visitors into phone calls and enquiries

Most visitors in India open websites on mobile phones over mobile data. We build websites that load in under two seconds, display clearly on every screen size, and put your phone and WhatsApp numbers front and center.

Who this is for:

Retail stores, clinics, coaching institutes, service professionals, and distributors who need an authentic online presence.

What you get:
  • Custom design tailored to your industry
  • One-tap call and WhatsApp integration
  • Contact form with instant email alerts
  • Google Business and Google Maps integration
  • High-speed hosting and custom domain setup
  • Admin panel for editing your photos and text
Read detailed scopeGet fixed quote

Android and Mobile Apps

Fixed Quote on Request

Custom Android apps that keep your operations running even without internet

Whether you need a customer booking app, a field agent collection tool, or an internal warehouse scanner, we engineer Android applications that run smoothly on budget phones and maintain full functionality offline.

Who this is for:

Logistics companies, dairy collection hubs, retail chains, and service marketplaces requiring mobile staff or customer apps.

What you get:
  • Native Android app ready for Google Play release
  • Offline-first local storage and automatic sync
  • Mobile number OTP authentication
  • Bluetooth thermal printer and device linking
  • Push notifications for alerts and bill reminders
  • Weekly APK demo releases during development
Read detailed scopeGet fixed quote

Custom ERP and Business Software

Fixed Quote on Request

Custom software that replaces paper registers, Excel sheets, and billing chaos

Off-the-shelf software often forces you to change how your business operates. We build custom ERP systems designed around your exact workflow, inventory units, and payment rules.

Who this is for:

Dairy centers, pharmaceutical stockists, manufacturing units, coaching institutes, and transport fleet managers.

What you get:
  • Tailored billing and GST receipt printing
  • Inventory and batch-wise expiry tracking
  • Customer and supplier accounting ledgers
  • Staff role permissions (billing, admin, inventory)
  • Automated WhatsApp and SMS bill receipts
  • Daily sales, purchase, and profit summaries in Excel
Read detailed scopeGet fixed quote
Full Service Directory

All Specialized Development & Digital Services

Click any service below to review exact technical deliverables, supported hardware, development frameworks, and common questions.

Development & Engineering

19 dedicated service pages

Marketing

6 dedicated service pages

Creative

5 dedicated service pages

PR & Media

3 dedicated service pages
Our Standards

Why Indian Businesses Trust OA Developers

We work directly with business owners who need dependable software without recurring commissions or tech bureaucracy.

Direct Developer Contact

You speak directly to the engineers writing your code, with direct phone and WhatsApp support.

Fixed Upfront Quotes

Every project is scoped honestly before work begins with no hidden hourly surcharges.

Weekly Test Demos

Install and test real working APKs and web builds on your own devices every week.

100% Code Ownership

You own all source code and database backups with complete vendor independence.

Get in Touch

Tell us what you want to build

Share a few details about your business. We will review your requirements and reply within 24 hours with a clear scope, timeline, and fixed price.

Prefer to talk directly?

Call us directly or send a message on WhatsApp. You will speak with a developer who can answer technical questions immediately.

Fastest responseChat on WhatsApp
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Direct developer call+91 98268 26017
9 AM - 7 PM
Email brief[email protected]
Registered OfficeMain Road, Near Bus Stand, Jirapur, Rajgarh, Madhya Pradesh 465691

Direct reply within 24 hours · Fixed price quote · No spam or sales calls

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