End-to-end encrypted chat, voice & video calls, group messaging, media sharing and real-time status — a secure, branded private messenger built for your community, company or product.
From community apps to enterprise secure chat — we build WhatsApp-style messengers tailored to your users, brand and privacy needs.
Private chat for clubs, societies, alumni groups and local communities with groups, status and media sharing.
Starting ₹45,000WhatsApp-like experience with end-to-end encryption, disappearing messages, voice & video calls and cloud backup.
Starting ₹75,000Internal team messaging with admin controls, audit logs, role-based access and compliance-ready encryption.
Starting ₹1,20,000Support chat, order updates, catalog sharing and broadcast lists for shops and service businesses.
Starting ₹55,000Student-teacher messaging, class groups, announcements, file sharing and moderated discussions.
Starting ₹60,000Fully branded multi-tenant messaging platform you can offer under your own brand with admin panel.
Starting ₹2,00,000We implement the core WhatsApp-style features users expect — plus the privacy, branding and admin controls your product requires.
Real-time messaging, typing indicators, read receipts, replies, reactions and message search.
Signal-protocol style E2E encryption so only the sender and receiver can read messages.
1-to-1 and group voice/video calls with WebRTC, mute, camera switch and screen share options.
Photos, videos, documents, voice notes, location and contact cards with compression options.
24-hour status updates with text, photo and video — viewable by contacts or selected lists.
Reliable push for new messages, calls and mentions on Android and iOS with mute options.
Last seen, profile photo, about, block, report, disappearing messages and 2-step verification.
Optional encrypted cloud backup, multi-device support and seamless restore on new phones.
A proven 6-step process from idea to Play Store / App Store — secure, scalable and on schedule.
Users, use-cases, privacy needs and feature priorities.
Chat flows, call screens and admin panel prototypes.
WhatsApp-inspired UI with your brand colors & icons.
Real-time chat, calls, encryption and backend APIs.
Message delivery, calls, encryption and load tests.
Store submission, training and ongoing maintenance.
Transparent one-time pricing. All packages include design, development, store submission and 6–12 months support.
Modern frameworks, real-time backends and encryption libraries trusted by production messenger apps worldwide.
15+ years building mobile and web products. We combine real-time engineering, strong privacy practices and clean UI so your messenger feels as polished as WhatsApp — under your brand.
Feedback from communities and businesses running their private messaging on solutions we built.
"GK Web delivered our encrypted community chat in under 2 months. Groups, status and calls work smoothly. Members love that it feels like WhatsApp but stays private to our club."
"We needed internal secure chat for our field teams. Role-based access, audit logs and offline-friendly messaging made a big difference. Support is excellent."
"Campus messenger with class groups and announcements launched on schedule. Students and teachers adopted it quickly. Highly recommend for education projects."
Common questions about our private messenger and chat app development services.
A starter chat (1-to-1 + groups, no calls) typically takes 45–60 days. A full Pro messenger with voice/video calls and E2E encryption takes 60–90 days. Enterprise or white-label platforms can take 3–5 months. We share a detailed timeline after the discovery call.
Yes. We primarily use Flutter for a single codebase that delivers both Android and iOS apps. We also build native Android (Kotlin) and iOS (Swift) when needed, plus optional web clients.
Yes in Pro and Enterprise packages. We implement industry-standard approaches (inspired by the Signal protocol) so messages can only be read by the sender and intended recipients. Starter package can add E2E as an upgrade.
Absolutely. You receive 100% ownership of the source code on final payment. No lock-ins and no recurring license fees for the core product.
Yes. Store submission is included. We help with developer accounts, listings, screenshots, privacy policy and the review process for Google Play and Apple App Store.
Yes. Share your current app (or codebase) and the features you need — calls, encryption, web client, admin panel, etc. We review the architecture, quote the work and deliver with proper testing.
Build a secure, branded chat app like WhatsApp for your community, company or product. From MVP to full enterprise messenger — we handle design, development, encryption and store launch.
Tell us about your private messenger idea and we’ll share a detailed proposal with timeline and pricing within 24 hours.
Free consultation · No commitment required. We’re based in Guntur, AP and serve businesses and communities pan-India and globally.