Try Expo: https://dub.sh/expo1
Try Stream: https://dub.sh/getstream1
Try Sentry: https://dub.sh/sentry1 (Get $80 for FREE)
Try Clerk: https://dub.sh/clerk1

✨ Source Code: https://dub.sh/1code
💥 Diagrams: https://dub.sh/diagrams3
💫 Sentry Expo Example Repo: https://github.com/burakorkmez/sentry-expo-example 

✨ Highlights:
📱 Fully Functional Real-Time Video Calling Study App 
🎨 Native iOS Liquid Glass UI with Expo Native Tabs
🔐 Authentication with Clerk (Google, Apple, GitHub + More)
💬 Real-Time Chat Messaging with Stream
🖼️ Send Text, Images, Videos, GIFs & Voice Messages
❤️ Message Reactions
✏️ Edit & Delete Messages
🧵 Threaded Replies
📞 1-on-1 Video Calling with Ringing UI
🔔 Incoming Call Screen & Call Acceptance Flow
📚 Study Partner Discovery (Explore Screen)
🗂️ Conversations List (Chats Tab)
👤 Profile Screen with Study Sessions & Partners
⚡ Expo SDK 55 — Latest Features & Improvements
📱 Cross-Platform (iOS & Android)
🧪 Error Monitoring & Crash Reporting with Sentry
🌐 Scalable Real-Time Infrastructure
🚀 Production-Ready Architecture & Best Practices
🆓 100% Free Setup (Using Generous Free Plans)
📂 Full Source Code Included


Timestamps:
00:00:00 - 0- Project Preview
00:05:26 - 1- Tools Setup
00:12:10 - 2- Basics of React Native & Expo
00:23:41 - 3- Explaining Expo SDK 55 - What Changed?
00:35:10 - 4- Running Our App & Setting Up Our Codebase Structure 
00:52:17 - 5- Setting Up NativeWind (Tailwind but for mobile)
00:57:56 - 6- Implementing Authentication 
01:41:21 - 7- Bottom Tabs with Native Tabs
01:56:52 - 8- Understanding & Setting Up Sentry
02:14:03 - 9- Profile Screen 
02:32:51 - 10- Stream Chat Setup & Expo API Routes
02:54:56 - 11- Building AppProvider & ChatWrapper
03:23:09 - 12- Building Chats Screen
03:36:23- 13- Building Explore Screen
04:07:03- 14- Building Chat Detail Screen
04:31:15- 15- Building Thread Screen
04:46:39- 16- Running Our Development Build & Sentry Replays
05:02:11- 17- Adding Image Support & Voice Recordings
05:13:00 - 18- Video Calling & Final Touches

As a Programmer

A comprehensive tutorial for building a full-featured video calling study app using React Native and Expo SDK 55. Covers project setup from scratch, NativeWind (Tailwind for React Native) integration, authentication with Clerk (Google, Apple, GitHub), real-time chat and video calls via Stream, and error monitoring with Sentry. Also includes a detailed breakdown of Expo SDK 55 changes: removal of legacy architecture, native tabs as default, faster OTA updates via bytecode diffing, new native UI features, and iOS widgets in alpha. All tools used offer free tiers, no credit card required.

React Native Video Calling App Tutorial 2026