ConstanFit - AI Diet & Workout
AI coach for diet & workouts
Free · In‑App Purchases
Snap or type your meals, hit nutrition goals, and get coaching from an AI that knows your habits, plus cycle support.
ConstanFit is your daily health companion: meals, workouts, body metrics, and an AI coach—designed for everyone.
**Effortless Tracking**
* Manage meals, workouts, and body metrics all in one place
* Photo Recognition: Snap a photo of your meal, and AI automatically estimates calories and protein in seconds
* Natural language logging—describe your meal in plain text for fast AI estimates
* Track strength and cardio workouts with smart text analysis
**Personalized Coaching**
* AI Coach assists with training, nutrition, and weekly plans
* Optional cycle tracking for period-related insights (non-medical)
* Complete a one-time welcome task to unlock starter AI credits (includes trial allocation; not unlimited monthly AI)
**Your Data, Your Control**
* Local-first storage by default
* Optional Apple Health import (Active Energy / Menstrual Flow)
* Transparent privacy policy with zero ad tracking
**Subscription Details**
ConstanFit Basic, Plus and Pro unlock higher AI limits and advanced coaching features. Payment will be charged to your Apple ID account and automatically renews unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in "Settings → Apple ID → Subscriptions."
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://api.luna-fit.com/legal/privacy
*ConstanFit is intended for health and fitness tracking only and is not a medical device. Please consult a healthcare professional for medical advice.*
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Enhanced Coaching: Get more personalized, uninterrupted guidance when discussing how your body feels.
- Upgraded Home Dashboard: Track your remaining credits at a glance right from the Home tab.
The developer, Li Ya Li, 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 Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Purchases
- Location
- Contact Info
- User Content
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Li Ya Li
- Size
- 12.3 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later.
- iPhone
- Languages
English and 2 more
- English, Simplified Chinese, Traditional Chinese
- Age Rating
13+
- 13+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- ConstanFit Pro Yearly $69.99
- 月律 Pro 月繳 $8.99
- 300 AI Credits $19.99
- 150 AI Credits $9.99
- 50 AI Credits $3.99
- ConstanFit Basic Yearly $22.99
- ConstanFit Basic Monthly $2.99
- ConstanFit Plus Yearly $44.99
- ConstanFit Plus Monthly $5.99
- Copyright
- © 2026 Li Li Ya