diff --git a/src/octokit/client.cr b/src/octokit/client.cr
index 21b31698..e544f1c5 100644
--- a/src/octokit/client.cr
+++ b/src/octokit/client.cr
@@ -119,6 +119,7 @@ module Octokit
     include Octokit::Client::Statuses
     include Octokit::Client::Say
     include Octokit::Client::Deployments
+    include Octokit::Client::Apps
 
     CONVENIENCE_HEADERS = Set{"accept", "content_type"}
 
diff --git a/src/octokit/client/apps.cr b/src/octokit/client/apps.cr
index e69de29b..4fb505a0 100644
--- a/src/octokit/client/apps.cr
+++ b/src/octokit/client/apps.cr
@@ -0,0 +1,65 @@
+require "../models/apps"
+
+module Octokit
+  class Client
+    # Methods for the Apps API
+    module Apps
+      # :nodoc:
+      alias App = Models::App
+
+      # Get the authenticated App
+      #
+      # @param options [Hash] A customizable set of options
+      #
+      # @see https://developer.github.com/v3/apps/#get-the-authenticated-app
+      #
+      # **Example:**
+      # ```
+      # @client = Octokit.client(bearer_token: <jwt>)
+      # @client.app
+      # ```
+      def app(**options)
+        get("app", options)
+      end
+
+      # Find all installations that belong to an App
+      #
+      # @param options [Hash] A customizable set of options
+      #
+      # @see https://developer.github.com/v3/apps/#list-installations
+      #
+      # @return the total_count and an array of installations
+      def find_app_installations(**options) : Paginator(Octokit::Models::Installation)
+        paginate(
+          Octokit::Models::Installation,
+          "app/installations",
+          start_page: options[:page]?,
+          per_page: options[:per_page]?,
+          options: options
+        )
+      end
+
+      # alias for `find_app_installations`
+      def find_installations(**options) : Paginator(Octokit::Models::Installation)
+        find_app_installations(**options)
+      end
+
+      # Create a new installation token
+      #
+      # @param installation [Integer] The id of a GitHub App Installation
+      # @param options [Hash] A customizable set of options
+      #
+      # @see https://developer.github.com/v3/apps/#create-a-new-installation-token
+      #
+      # @return [<Sawyer::Resource>] An installation token
+      def create_app_installation_access_token(installation : Int32, **options)
+        post("app/installations/#{installation}/access_tokens", options)
+      end
+
+      # alias for `create_app_installation_access_token`
+      def create_installation_access_token(installation : Int32, **options)
+        create_app_installation_access_token(installation, **options)
+      end
+    end
+  end
+end