1828 is an iPhone application developed by Michael Moore. It falls under the category of Education & Reference and is available for free. This program allows users to look up word definitions from Noah Webster's 1828 American Dictionary of the English Language.

The latest update of 1828 now offers an option to purchase an updated dictionary with cross-reference links. There are three in-app purchase options available, all of which include the updated dictionary. These upgrades aim to enhance the user experience by providing additional features.

The first upgrade, Dictionary Cross-Reference, enables users to tap on words referred to in some definitions. When a referenced word appears, it will be highlighted in blue, and tapping on it will open the definition for that word.

The second upgrade, Bible Cross-Reference, allows users to tap on Bible references that appear in many definitions. The referenced verse will be highlighted in blue, and tapping on it will open the Bible chapter with the verse highlighted for contextual reading.

The third upgrade, All Cross-Reference, is a combo option that includes both the Dictionary and Bible cross-reference features.

To access the in-app purchase, users can tap on the gear icon located at the top-right corner of the Word Search view.

1828 provides a comprehensive dictionary experience, offering users the ability to explore word definitions from Noah Webster's 1828 American Dictionary of the English Language. With the added cross-reference upgrades, users can delve deeper into the meaning and context of words and explore related terms and biblical references.