Klyo: Weight Gain Tracker
Calorie Counter for Bulking
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Can't gain weight? klyo gives you a daily calorie target, AI photo logging, and tells you exactly what to eat next. Built for hard gainers. 7-day free trial.
klyo is the weight gain app for people who struggle to eat enough. A calorie tracker built for bulking - not cutting - for hard gainers, ectomorphs, and busy people who skip meals and can't gain weight no matter how hard they train.
Ratings & Reviews
Stone (st) weight support for the UK, plus fixes and polish across the app.
The developer, Bar Cayouf, 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
Data Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Purchases
- Contact Info
- User Content
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Bar Cayouf
- Size
- 61.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 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
- Age Rating
13+
- 13+
- Infrequent
Medical Treatment information
Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Klyo Pro · Yearly $59.99
- Klyo Pro · Monthly $9.99
- Copyright
- © 2026 Bar Cayouf