Supported Features
-
Dark Interface
Krank: Logic & Color
Rule-Based Color Switch Game
Only for iPhone
Free · In‑App Purchases
iPhone
Krank is a rule-based logic puzzle game built around color switches and clean deduction.
Each level gives you a set of switches and a list of rules. Cycle through colors, test ideas, and satisfy every rule at the same time to clear the puzzle.
200 free levels across Easy, Medium, Hard, and Extreme
Optional bonus packs for 200 more levels
Tap rules to cross them out as you reason
Hint system when you get stuck
Dark mode, haptics, and sound controls
No timers. No pressure. Just smart, satisfying logic.
Restored the iOS 26 requirement while we resolve compatibility issues affecting earlier iOS versions.
The developer, Overtime Innovations LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
The developer indicated that this app supports the following accessibility features. Learn More
Information
- Seller
- Overtime Innovations LLC
- Size
- 26.4 MB
- Category
- Puzzle
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Remove Ads $2.99
- Unlock 200 Bonus Levels $4.99
- Copyright
- © Overtime Innovations LLC 2026