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diff --git a/docs/index.rst b/docs/index.rst
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--- a/docs/index.rst
+++ b/docs/index.rst
@@ -36,3 +36,11 @@ Want to find out everything there is to know about how to use your Invoice Ninja
    data_visualizations
    api_tokens
    user_management
+   
+.. _self_host:
+
+.. toctree::
+   :maxdepth: 1
+   :caption: Self Host
+   
+   iphone_app
diff --git a/docs/iphone_app.rst b/docs/iphone_app.rst
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+++ b/docs/iphone_app.rst
@@ -0,0 +1,49 @@
+iPhone Application
+==================
+
+The Invoice Ninja iPhone application allows a user to connect to their self-hosted Invoice Ninja web application.
+
+Connecting your iPhone to your self-hosted invoice ninja installation requires a couple of easy steps.
+
+Web app configuration
+"""""""""""""""""""""
+
+Firstly you'll need to add an additional field to your .env file which is located in the root directory of your self-hosted Invoice Ninja installation.
+
+The additional field to add is API_SECRET, set this to your own defined alphanumeric string.
+
+.. image:: images/env_file_api_secret.png
+
+Save your .env file and now open Invoice Ninja on your iPhone.
+
+
+iPhone configuration
+""""""""""""""""""""
+
+Once you have completed the in-app purchase to unlock the iPhone to connect to your own server, you'll be presented with two fields.
+
+The first is the Base URL of your self-hosted installation, ie http://ninja.yourapp.com
+
+The second field is the API_SECRET, enter in the API_SECRET you used in your .env file.
+
+.. image:: images/iphone_self_hosted.png
+
+Click SAVE.
+
+You should be able to login now from your iPhone!
+
+
+FAQ:
+""""
+
+Q: I get a HTTP 500 error.
+
+A: Most likely you have not entered your API_SECRET in your .env file
+
+Q: I get a HTTP 403 error when i attempt to login with the iPhone.
+
+A: Most likely your API_SECRET on the iPhone does not match that on your self-hosted installation.
+
+Q: Do I need to create a token on the server?
+
+A: No, this is not required. The server will automagically create a token if one does not exist on first login.