Chatto 发布版本: Chatto 3.3.1

Chatto Build Status CocoaPods Compatible Carthage compatible

Chatto is a Swift lightweight framework to build chat applications. It's been designed to be extensible and performant. Along with Chatto there is ChattoAdditions, a companion framework which includes cells for messages and an extensible input component. You can find more details about how it was implemented in our blog. See them in action!


  • Calculation of collection view changes and layout in background
  • Supports pagination in both directions and autoloading
  • Message count contention for fast pagination and rotation with thousands of messsages
  • Accessory view revealing by swiping from right
  • Interactive keyboard dismissal
  • Text bubbles
  • Photo bubbles
  • Extensible input bar

How to use

Check the wiki!

How to install


  1. Make sure use_frameworks! is added to your Podfile.

  2. Include the following in your Podfile:

    # Swift 4
    pod 'Chatto', '= 3.3.1'
    pod 'ChattoAdditions', '= 3.3.1' # if you want to use the cells or the input component
    # Swift 3
    pod 'Chatto', '= 3.2.0'
    pod 'ChattoAdditions', '= 3.2.0' # if you want to use the cells or the input component
    # Swift 2.x
    pod 'Chatto', '= 2.1.0'
    pod 'ChattoAdditions', '= 2.1.0' # if you want to use the cells or the input component

    If you like living on the bleeding edge, you can use the master branch with:

    pod 'Chatto', :git => '', :branch => 'master'
    pod 'ChattoAdditions', :git => '', :branch => 'master'
  3. Run pod install


If you’re using Carthage, simply add Chatto to your Cartfile:

# Swift 4
github "badoo/Chatto"
# Swift 2.x
github "badoo/Chatto" "swift-2"


  1. Clone, add as a submodule or download.
  2. Drag and drop Chatto and/or ChattoAdditions project to your workspace
  3. Add Chatto and/or ChattoAdditions to Embedded binaries


Source code is distributed under MIT license.


Check our colleagues' project Chateau!


Read more on our tech blog or explore our other open source projects