Kronos

B tier on Video Game Guide PlatformsScore 7.1 · #2 of 19

Android app: Yes
Free plan: Yes
Runs on: Android, iOS, Web

codzombies.app

Summary

Kronos is a companion app for Call of Duty Zombies players looking for Easter Egg walkthroughs, maps, and puzzle aids. Its guides divide Easter Eggs into steps with screenshots, and players can check off objectives to track progress. The homepage says the app covers more than 40 maps, from Nacht der Untoten to Shattered Veil. Its Memorizer tool tracks Simon Says color and number sequences and offers a one-tap reset. Players can also vote on the next CoD Revival and view a countdown and community vote results. Kronos works offline and syncs offline, and 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. The privacy policy says Firestore access is restricted to the authenticated account and that users can delete their account in app settings. Kronos is available on Android, iOS, and web. It uses Firebase Authentication, Cloud Firestore, Analytics, Crashlytics, and Cloud Messaging.

Who it is for

Kronos suits Call of Duty Zombies players who want step-by-step Easter Egg guides, maps, and tools for tracking puzzles and progress. It may be useful to players who need offline access or want to sync their guide history across devices.

What is good

Covers more than 40 maps.
Guides include screenshots and progress check-offs.
Works offline and syncs offline.
Free plan requires no signup.
Memorizer tracks color and number sequences.

What to know first

Phone sign-in stores a phone number and Firebase user ID.
Account deletion is through app settings.

Verdict

Kronos brings walkthroughs, progress tracking, and puzzle aids together for Call of Duty Zombies players, with offline use and no-signup access on the free plan. Phone sign-in involves storing account details to sync progress and guide history.

Kronos plans and pricing

All plans

Free Free No signup · Works offline codzombies.app · 29 Sept 2026

Compared on video game guide platforms

Free plan: Yescodzombies.app
Interactive walkthroughs: Yescodzombies.app
Progress tracking: Yescodzombies.app
Mobile apps: bothcodzombies.app
Offline access: Yescodzombies.app

Facts

Purpose: Kronos provides Call of Duty Zombies Easter Egg guides, interactive maps, and in-app tools.codzombies.app · 29 Sept 2026
Guide steps: Guides break Easter Eggs into steps with screenshots and let players check off objectives and track progress.codzombies.app · 29 Sept 2026
Offline use: The site says Kronos works offline and syncs offline.codzombies.app · 29 Sept 2026
Coverage: The homepage says Kronos covers more than 40 maps, from Nacht der Untoten to Shattered Veil.codzombies.app · 29 Sept 2026
Puzzle tools: The Memorizer tool tracks Simon Says color sequences and number sequences, with a one-tap reset.codzombies.app · 29 Sept 2026
Community events: Players can vote on the next CoD Revival and view a countdown and community vote results.codzombies.app · 29 Sept 2026
Integrations: The privacy policy says Kronos uses Firebase Authentication, Cloud Firestore, Analytics, Crashlytics, and Cloud Messaging.codzombies.app · 29 Sept 2026
Account data: For phone sign-in, Kronos stores a phone number and Firebase user ID to sync progress, bookmarks, and guide history across devices.codzombies.app · 29 Sept 2026
Security and deletion: The privacy policy says Firebase security rules restrict Firestore access to the authenticated account and users can delete their account in app settings.codzombies.app · 29 Sept 2026
Support: The maker asks users to send feedback through the app and lists X/Twitter @all4ndev and [email protected] for privacy questions.codzombies.app · 29 Sept 2026
Who it is for: Kronos is described as a companion app for Call of Duty Zombies players completing Easter Eggs and finding guides.codzombies.app · 29 Sept 2026
Maker: The About page identifies Allan as the developer and says he moved to Thailand in October 2024 to focus on Kronos and other projects.codzombies.app · 29 Sept 2026
History: The About page says Kronos was first created in 2016/17 and has been maintained primarily by its maker, with community help on guide content.codzombies.app · 29 Sept 2026