Guide for Binding of Isaac is a free iOS app developed by Joao Silveira that offers comprehensive information about the game Binding of Isaac: Rebirth and all DLCs, including Afterbirth, Afterbirth+, Repentance, and Antibirth mod. The app is designed to help gamers quickly find all the information they need about the game.

The app's advanced search feature allows users to search for items using aspect tag search, making it easier to identify items. Additionally, the app comes with color sorting and advanced filters that allow gamers to sort items by game, type, collection status, and pool. Guide for Binding of Isaac offers detailed information about items, trinkets, bag of crafting, cards and runes, pickups, achievements, transformations, seeds, pills, marks, monsters, characters, bosses, objects, curses, floors, rooms, item pools, challenges, babies, and collection.

Guide for Binding of Isaac also features multiple visualization modes, dark mode support (for iOS 13 and higher), and an ability to share an item detail or report missing or incorrect info. However, it is important to note that this application is an unofficial guide and is not associated, affiliated, endorsed, sponsored, or approved by Edmund McMillen or Nicalis Inc.