Maintain Calorie
Maintenance kcal from 2 weeks
Free · Designed for iPad. Not verified for macOS.
No lookup tables. Maintain Calorie reads your past 14 days of weight and intake from HealthKit, then reverse-calculates your maintenance. Observation, not assumption.
Is the number from an online calculator really *your* number?
Maintain Calorie reverse-calculates your maintenance level from your own weight and intake data.
Observation, not assumption. A value derived from your data, for you.
■ How it works
The app applies linear regression to the past 14 days of body weight to derive a daily change rate (kg/day), then combines it with your average intake:
Maintenance kcal = Average intake − Weight change rate × Energy coefficient (7700 or 7200 kcal/kg)
If you're losing weight, the result will be higher than your average intake — confirming your real burn is greater than what you ate.
■ HealthKit, minimal input
Maintain Calorie pulls 14 days of body weight and dietary energy from HealthKit automatically. Bring in the data you already log in another app.
■ Who it's for
• People setting calorie targets for a cut or bulk
• Anyone who wants their maintenance level derived from real data
• Calculation-minded users who want a transparent formula
■ Philosophy
This is not a daily food-logging app. It is a tool that observes your data to estimate a personal constant — your maintenance calorie level.
■ Privacy
All calculations happen on-device. Your health data is never sent anywhere.
■ Note
This is an estimate. Not intended for medical use.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Yamada Yuki, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yamada Yuki
- Size
- 998.4 KB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - iPad
Requires iPadOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Yuki Yamada
