End-to-End Encryption
Signal Protocol implementation ensuring messages, calls, and media can only be read by sender and recipient. Zero-knowledge architecture.
WhatsApp Clone App Development
WhatsApp clone app development builds an encrypted messaging platform with one-to-one and group chat, voice/video calls and media sharing — the communication stack users trust for daily messaging. Codazz delivers iOS and Android apps with Signal-protocol encryption and WebRTC calling, typically in 10–16 weeks.

Independently audited, certified and built to standards you can check

Core Features
Signal Protocol implementation ensuring messages, calls, and media can only be read by sender and recipient. Zero-knowledge architecture.
Group messaging for up to 1,024 members with admin controls, mention tagging, polls, pinned messages, and group-specific media galleries.
Crystal-clear WebRTC-powered voice and video calling with group call support for up to 32 participants, noise cancellation, and screen sharing.
Share photos, videos, documents, contacts, and locations. Automatic media compression, gallery view, and cloud-backed storage.
Ephemeral 24-hour status updates with text, photos, and videos. Privacy controls for who can view your updates.
Verified business profiles with catalog display, automated responses, quick replies, labels for customer management, and API access.
Companion apps for web, Windows, and macOS that sync seamlessly with the mobile app via QR code pairing.
Business API for chatbot integration, automated workflows, CRM connections, and programmatic message sending.
Customizable notification settings per chat, do-not-disturb scheduling, notification grouping, and priority contact alerts.
Encrypted cloud backups to Google Drive or iCloud with selective restore, chat export, and cross-device migration support.
Development Process
Encryption protocol selection, system architecture, database schema design, and security threat modeling.
One-on-one chat, group messaging, E2E encryption, media sharing, and real-time sync across devices.
Voice/video calling, status updates, business accounts, web companion app, and chatbot APIs.
Independent security audit, penetration testing, performance optimization, and production deployment.
Technology
Investment
Every project receives a detailed, fixed-price proposal after our free discovery call. No hidden fees, no scope creep.
MVP
Core messaging, group chats, media sharing, and push notifications. Validate your messaging platform concept.
Full Platform · Recommended
Complete messaging platform with E2E encryption, voice/video calls, business accounts, and web companion.
Common questions about WhatsApp clone app development — cost, timeline and features.
Ask Us AnythingA WhatsApp clone MVP covers E2E chat, groups and media sharing. Full platform adds voice/video calls, status updates and business messaging — fixed-price quote after discovery.
Core MVP: 10–12 weeks. Full messaging platform with calls, status and business tools: 12–16 weeks.
E2E encrypted chat, group messaging, media sharing, contacts sync and push notifications. Advanced scope adds voice/video calls, status stories, business profiles and broadcast lists.
Yes — Signal-protocol encryption with forward secrecy for messages, calls and shared media. Keys never leave user devices unencrypted.
Yes — WebRTC-based HD calls with group support, screen sharing and adaptive bitrate for varying network conditions.
Yes — security patches, delivery reliability monitoring, scaling and feature development under SLA.
Other ready-to-customise platforms we build on the same delivery model.
From encrypted messages to crystal-clear calls — we build messaging platforms that billions trust.