Life Inventory iOS Apps for iPhone, iPad & iPod touch Explained Posted 3/16/2015 at 16:22 UTC in iOS by gnye@amdesign.net | Permalink | Tweet Massachusetts based independent developer James Hollender explains his Life Inventory apps. Using an iPad, iPhone or iPod touch, users can learn more about themselves than they ever thought possible, and only at a small fraction the cost of a single office visit to a therapist. Originally designed for 12-steppers as a Moral Inventory it was discovered the inventory would also be of benefit to anyone, which is why the name has changed from "Step 4 Moral Inventory" to "Life Inventory".