Fasting Timer: Kufukun
16:8 Intermittent Fasting
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
A focused intermittent-fasting timer that helps you build a consistent routine. Start a fast in seconds, see your progress at a glance, and review your history over time.
• Simple fasting timer with progress display
• Popular schedules including 16:8
• Start, finish, or cancel a fast anytime
• Review fasting history and streaks
• Track body weight in kg or lb
• Private, on-device data
Kufukun is designed for clarity and consistency without unnecessary complexity.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Improved compatibility with iOS 27.
The developer, Kenta Nagato, 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 Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Kenta Nagato
- Size
- 53.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
13+
- 13+
- Infrequent
Medical Treatment information
Contains
Health or Wellness Topics
- In-App Purchases
Yes
- プレミアム(買い切り) $2.99
- Copyright
- © 2026 Kenta Nagato
