The official iOS SDK for Stream Chat
The StreamChatUI SDK is the official iOS SDK for Stream Chat, a service for building chat and messaging applications.
- Offline support: Browse channels and send messages while offline.
- Familiar behavior: The UI elements are good platform citizens and behave like native elements; they respect
tintColor
,layoutMargins
, light/dark mode, dynamic font sizes, etc. - Swift native API: Uses Swift's powerful language features to make the SDK usage easy and type-safe.
- Uses
UIKit
patterns and paradigms: The API follows the design of native system SDKs. It makes integration with your existing code easy and familiar. SwiftUI
support: We have developed a brand new SDK to help you have smoother Stream Chat integration in your SwiftUI apps.- First-class support for
Combine
: The StreamChat SDK (Low Level Client) has Combine wrappers to make it really easy use in an app that usesCombine
. - Fully open-source implementation: You have access to the complete source code of the SDK here on GitHub.
- Supports iOS 11+: We proudly support older versions of iOS, so your app can stay available to almost everyone.
- iOS/Swift Chat Tutorial: Learn how to use the SDK by following our simple tutorial.
- Register: Register to get an API key for Stream Chat.
- Installation: Learn more about how to install the SDK using CocoaPods, SPM or Carthage.
- Do you want to use Module Stable XCFrameworks? Check this out
- Documentation: An extensive documentation is available to help with you integration.
- SwiftUI: Check our SwiftUI SDK if you are developing with SwiftUI.
- Demo app: This repo includes a fully functional demo app with example usage of the SDK.
- Example apps: This section of the repo includes fully functional sample apps that you can use as reference.
Stream is free for most side and hobby projects. You can use Stream Chat for free if you have less than five team members and no more than $10,000 in monthly revenue.
-
Progressive disclosure: The SDK can be used easily with very minimal knowledge of it. As you become more familiar with it, you can dig deeper and start customizing it on all levels.
-
Highly customizable: Every element is designed to be easily customizable. You can modify the brand color by setting
tintColor
, apply appearance changes using custom UI rules, or subclass existing elements and inject them everywhere in the system, no matter how deep is the logic hierarchy. -
open
by default: Everything isopen
unless there's a strong reason for it to not be. This means you can easily modify almost every behavior of the SDK such that it fits your needs. -
Good platform citizen: The UI elements behave like good platform citizens. They use existing iOS patterns; their behavior is predictable and matches system UI components; they respect
tintColor
,layourMargins
, dynamic font sizes, and other system-defined UI constants.
This SDK tries to keep the list of external dependencies to a minimum. Starting 4.6.0, and in order to improve the developer experience, dependencies are hidden inside our libraries. (Does not apply to StreamChatSwiftUI's dependencies yet).
Learn more about our dependencies here
We've recently closed a $38 million Series B funding round and we keep actively growing. Our APIs are used by more than a billion end-users, and you'll have a chance to make a huge impact on the product within a team of the strongest engineers all over the world. Check out our current openings and apply via Stream's website.
Features | Preview |
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A list of message in a channel | ![]() |
Photo preview | |
Message reactions | |
Message grouping based on the send time | |
Link preview | |
Inline replies | |
Message threads | |
GIPHY support | |
Features | Preview |
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Support for multiline text, expands and shrinks as needed | ![]() |
Image and file attachments | |
Replies to messages | |
Tagging of users | |
Chat commands like mute, ban, giphy | |
Features | Preview |
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Easily search commands by writing / symbol or tap bolt icon | ![]() |
GIPHY support out of box | |
Supports mute, unmute, ban, unban commands | |
WIP support of custom commands | |
Features | Preview |
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User mentions preview | ![]() |
Easily search for concrete user | |
Mention as many users as you want | |