Kronos vs MapGenie

Kronos is a companion app for Call of Duty Zombies players, providing Easter Egg guides, interactive maps and in-app tools. Guides divide Easter Eggs into steps with screenshots, and players can check off objectives to track progress. The homepage says coverage spans more than 40 maps, from Nacht der Untoten to Shattered Veil. A Memorizer tool tracks Simon Says color and number sequences and includes a one-tap reset. Players can vote on the next CoD Revival and view a countdown and community vote results. Kronos works offline and syncs offline; its free plan requires no signup. For phone sign-in, it stores a phone number and Firebase user ID to sync progress, bookmarks and guide history across devices. Its privacy policy says Firestore access is restricted to the authenticated account and users can delete their account in app settings. Kronos is available on Android, iOS and web. The privacy policy also lists Firebase Authentication, Cloud Firestore, Analytics, Crashlytics and Cloud Messaging.

MapGenie is an interactive game map website for tracking progress and locating game features. Its maps cover titles including Far Cry, Grand Theft Auto and Assassin's Creed, and it also publishes Android map apps for games such as Elden Ring, RDR2, Tears of the Kingdom and Genshin Impact. The service has a free plan and is available on the web, Android and iOS. On PC, users can right-click a map location to submit a suggestion for moderator review. The team shares updates about maps in progress and released maps; planned titles it has listed include Kingdom Hearts III, Titan Quest 1 and Dragon Age: Inquisition. MapGenie does not publish plan prices on its site. A representative says PRO upgrades are one-time purchases that provide lifetime features for the specific game's map or maps. The iOS app supports iPhone and iPad on iOS 15 or iPadOS 15 and later, and Macs with Apple M1 chips or later on macOS 12 or later. Its listing includes advertising and reports possible collection of email, user ID, usage and crash data not linked to identity; usage data may be used to track users across other companies' apps and websites.