---
title: "Discussion on \"How WhatsApp Works Without Internet: Offline Messaging and Sync Explained\" | Hashnode"
description: "Discussion on \"How WhatsApp Works Without Internet: Offline Messaging and Sync Explained\". Mobile Development · React Native\n\nHave you ever sent a WhatsApp message while on the London Underground, only to surface and watch all your messages suddenly whoosh through with their little ticks ap"
url: "https://hashnode.com/posts/how-whatsapp-works-without-internet-offline-messaging-and-sync-explained/6a1be6a6f77c84962ea7b696"
---

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# [How WhatsApp Works Without Internet: Offline Messaging and Sync Explained](https://sanjeevsaniel.hashnode.dev/how-whatsapp-works-without-internet-offline-messaging-and-sync-explained?utm_source=hashnode&utm_medium=feed)

Mobile Development · React Native Have you ever sent a WhatsApp message while on the London Underground, only to surface and watch all your messages suddenly whoosh through with their little ticks ap

May 31 · 17 min read · sanjeevsaniel.hashnode.dev  
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-   [#react-native](https://hashnode.com/tag/react-native)
-   [#offline-first](https://hashnode.com/tag/offline-first)
-   [#whatsapp](https://hashnode.com/tag/whatsapp)
-   [#syncengine](https://hashnode.com/tag/syncengine)
-   [#mobilestorage](https://hashnode.com/tag/mobilestorage)
-   [#message-queue](https://hashnode.com/tag/message-queue)
-   [#system-design](https://hashnode.com/tag/system-design)
-   [#mobiledevelopment](https://hashnode.com/tag/mobiledevelopment)
-   [#chaicode-mobile-dev-cohort-2026](https://hashnode.com/tag/chaicode-mobile-dev-cohort-2026)
-   [#sqlite](https://hashnode.com/tag/sqlite)

## Written by

[Sanjeev Kujur](https://hashnode.com/@sanjeevsaniel)

@sanjeevsaniel · Hyderabad, Telangana, India

  
[View profile](https://hashnode.com/@sanjeevsaniel)

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