Tsushima Companion is an unofficial offline map designed for players of the popular game, Ghost of Tsushima. Developed by Sebastian Kruse, this free utility falls under the category of Utilities & Tools on the iPhone platform.

The main feature of Tsushima Companion is its comprehensive map that displays the locations of various points of interest in the game. These include armorers, bamboo strikes, bowyers, duels, dye merchants, farmsteads, fox dens, haikus, hidden altars, hot springs, Jin's journeys, lighthouses, merchants, Mongol artifacts, mythic tales, outposts, pillars of honor, points of interest, records, sashimono banners, Shinto shrines, side tales, singing crickets, strongholds, survivor camps, swordsmiths, temples, towns, trappers, and vanity gear.

The map also allows users to tap on each icon to view a detailed description in a popup. Additionally, the displayed icons can be filtered based on their type, location, and status.

Tsushima Companion offers checklists to easily track completed actions or collected items. Users can also add their own markers with personalized descriptions. The app provides iCloud sync for data backup and sharing across multiple devices.

Please note that Tsushima Companion is a third-party app and is not affiliated with Sony Interactive Entertainment LLC. However, it is permitted by Sony Interactive Entertainment LLC until withdrawal.