Platform Compatibility

Check CometChat Calls platform compatibility for SDK support, browser requirements, mobile platforms, features, and known limitations.

This page provides detailed information about feature availability across platforms, browser support, and minimum version requirements.

Platform Feature Comparison

Not all features are available on every platform. Use this table to understand feature availability:

Feature	JavaScript	React Native	iOS	Android	Flutter
Core Features
Voice Calls	✓	✓	✓	✓	✓
Video Calls	✓	✓	✓	✓	✓
Group Calls	✓	✓	✓	✓	✓
Screen Sharing	✓	✓	✓	✓	✓
Recording	✓	✓	✓	✓	✓
Call Layouts	✓	✓	✓	✓	✓
Call Management
Ringing	✓	✓	✓	✓	✓
Call Logs	✓	✓	✓	✓	✓
Participant Management	✓	✓	✓	✓	✓
In-Call Chat	✓	✓	✓	✓	✓
Advanced Features
Virtual Background	✓	✗	✗	✗	✗
Picture-in-Picture	✓	✗	✗	✓	✗
Raise Hand	✓	✓	✓	✓	✓
Audio Modes	✗	✓	✓	✓	✓
Customization
Custom Control Panel	✓	✓	✓	✓	✓
Idle Timeout	✓	✓	✓	✓	✓
Device Management	✓	✗	✗	✗	✗
Platform-Specific
VoIP / CallKit	✗	✓	✓	✓	✗
Background Handling	✗	✓	✓	✓	✗

✓ = Available, ✗ = Not Available

Browser Support

Desktop Browsers

Browser	Minimum Version	Notes
Chrome	72+	Recommended
Firefox	68+	Full support
Safari	12.1+	macOS 10.14.4+
Edge	79+	Chromium-based
Opera	60+	Chromium-based

Mobile Browsers

Browser	Minimum Version
Chrome for Android	72+
Firefox for Android	68+
Samsung Internet	12+
Edge for Android	79+
Safari for iOS	12.1+
Chrome for iOS	72+
Edge for iOS	79+

Native Mobile Platforms

iOS

Requirement	Value
Minimum Version	iOS 16.0+
Architecture	arm64
Package Manager	CocoaPods, SPM
Platform Capabilities	CallKit, VoIP Push, Background Audio

Android

Requirement	Value
Minimum API	API 24 (Android 7.0+)
Architecture	arm64-v8a, armeabi-v7a
Package Manager	Gradle
Platform Capabilities	PiP Mode, Foreground Service, ConnectionService

Cross-Platform Frameworks

React Native

Requirement	Value
Minimum Version	0.70+
Platforms	iOS, Android
Package Manager	npm, yarn
Expo Support	Bare workflow

Flutter

Requirement	Value
Minimum Flutter	3.0+
Minimum Dart	2.17+
Platforms	iOS, Android
Package Manager	pub

Network Requirements

Ports & Protocols

Protocol	Port	Purpose
HTTPS	443	API calls, signaling
UDP	10000-20000	Media streaming (preferred)
TCP	443	Media fallback (TURN)

Bandwidth Recommendations

Call Type	Bandwidth
Voice Call	100 - 300 kbps
Video Call (SD)	500 kbps - 1 Mbps
Video Call (HD)	1.5 - 3 Mbps
Screen Sharing	1 - 2 Mbps

HTTPS Required: Camera and microphone access requires HTTPS in production environments. Localhost (http://localhost or http://127.0.0.1) is exempt during development.

Permissions Required

Web

• Camera access
• Microphone access
• Screen capture (for screen sharing)
• Notifications (optional)

iOS

NSCameraUsageDescription
NSMicrophoneUsageDescription

Android

<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />

Next Steps

Key Features

Explore all available features

User Sync

Set up user authentication