An app where you can save your messages and turn it into a book

An app where you can save your messages and turn it into a book. <br><br>Example, maybe you've been talking to your other half for the last 2 years, there's been ups and downs. <br><br>Save all of the messages and turn it into a book. <br>The book would be sorted by years, months , day, hours. <br><br>It could look like this <br><br>Year 1: <br><br>Day 1: (all the messages for that day) <br><br>Day 2: ( all the messages for that day) <br><br>And so on. <br><br>It could also have a feature to delete any messages you don't want in there ( maybe a certain conversation) <br><br>It could also have a feature where it automatically adds messages as well. <br><br>It could also tell you how long until it is sent to the manufacturer. <br><br>You could also customise the book too. <br><br>It could tell you how long until it is sent to the manufacturer. <br><br>It could also tell you how long until it arrives at your house. <br><br>The prices would be like this (example) <br><br>Linking the app to your message app £3 a month (or £30 a year) <br><br>Turning a certain amount of messages into a book (example 5000) £1.