We build healthcare & enterprise software that ships.
Custom apps, platforms, and AI integrations — designed, built, and launched by a senior team. No concepts. Only live products.
What We Do
Three businesses. Three different markets. All proof that we ship.
Custom Software Development
Web, mobile, and AI-powered platforms built end-to-end. From spec to store.
BharatOPD
Our own clinic management platform. WhatsApp-first OPD, appointments, records, billing.
AR Inbox
Two-way WhatsApp Business inbox + APIs. Built on official Meta infrastructure.
Products in the wild
Three proof points. Real numbers. Actually live.
users
Knimbus eLibrary
Problem
Digitizing vast educational libraries across institutions
What we built
Enterprise-grade digital library platform serving 1000+ institutions
downloads
CiplaMed Quest
Problem
Healthcare professionals needed verified, accessible medical education
What we built
Medical education platform with holistic citation access and expert curation
utilization
Meditest
Problem
Diagnostic labs needed a frictionless at-home testing experience
What we built
Full-body diagnostic platform with integrated home sample collection and real-time reporting
Why App Ringer
We run our own products
BharatOPD and AR Inbox are live businesses. We build for you the way we build for ourselves—with skin in the game.
Official infrastructure
Meta Tech Provider and Razorpay partner. Payments and WhatsApp done right, not hacked together.
Senior team, direct access
You talk to the people writing the code. No account-manager sandwich. No handoffs.
What clients say
"App Ringer didn't just build an app—they built a product that our 1000+ client institutions trust. The quality and attention to detail set them apart."
Founder & CEO
Knimbus Knowledge Systems
3.3M+ users
"Working with App Ringer was transformative. They understood healthcare workflows in a way most tech teams don't. We shipped faster than any other project."
Head of Product
Meditest Diagnostics
95% on-time delivery
"The team's expertise in Meta infrastructure was invaluable. AR Inbox went live with zero integration headaches. Direct access to senior devs was game-changing."
VP Engineering
Enterprise Client
8-week launch
Have a product in mind?
Tell us what you're building. We'll reply within one working day with an honest take — even if the answer is "you don't need us."