PrepMaster is a clean and privacy-focused offline meal prep assistant designed for fitness enthusiasts and busy professionals. It helps users organize weekly bulk meal preparation, streamline cooking workflows, track food shelf life, calculate ingredient portions, and visualize nutrition structures in a fully local environment. Build scientific weekly meal plans, generate custom meal box labels, and standardize your bulk cooking process — all without any network connection, account login, or data uploads. Delivering a pure, ad-free, and private meal prep experience for clean eating and dietary management.

App Features

Structured 3-Step Meal Prep Workflow Organize your weekly bulk cooking with three standardized offline workflows: Wash & Cut, Bake & Cook, and Portion & Store. Track real-time task completion and overall prep progress, helping you finish weekend meal preparation efficiently and systematically.
Offline Food Safety Shelf Life Guide Built-in professional meal prep food safety database covering common meats, vegetables, and staple foods. Check accurate refrigeration and freezing shelf life rules anytime offline, avoid expired meals, and ensure dietary safety.
Bulk Ingredient Summary Statistics Automatically calculate and categorize total ingredient consumption for your weekly meals, including protein, carbs, vegetables, and seasonings. Support mainstream overseas measurement units for precise grocery shopping and portion control.
Nutrition Visualization Tracking Adopt native Swift Charts to display daily calorie trends and macro nutrition ratios (protein, carbs, fat). Intuitively observe your dietary structure and keep your fitness and clean eating goals on track.
Custom Meal Box Label Generator Create personalized meal storage labels with production dates, expiration reminders, and meal type tags. Preview and export label images locally for printing and container pasting, standardizing your meal storage management.
Pure Offline & Private Data Storage All meal plans, task records, ingredient data, and nutrition information are saved locally on your device via CoreData. No cloud sync, no data transmission, and no private information collection, fully protecting your personal dietary data.
Clean UI & Full System Adaptation Feature a minimalist, lifestyle-oriented interface optimized for iOS. Support automatic light and dark mode switching, smooth native animations, and full screen adaptation for all iPhone models. Enjoy a distraction-free and elegant meal planning experience.

Technical Support

Thank you for downloading PrepMaster. We are committed to providing a stable, private, and efficient offline meal prep tool experience. Please check the following technical specifications and troubleshooting guidelines for optimal use.

System Requirements

Platform: Exclusively for iOS (iPhone), compatible with iOS 16.0 and above.
Network Environment: Full offline support. All core features work completely without an internet connection. No user data is uploaded, synced, or shared externally.
Permissions: Only photo library access is required for saving custom meal labels. No location, camera, microphone, or other sensitive permissions are requested.
Performance: For the smoothest experience, keep your device’s iOS system updated to the latest official version.
Storage: Ensure sufficient local storage space to save meal tasks, ingredient data, nutrition records, and exported label images.

Frequently Asked Questions

The app lags or crashes during use Close background apps to free up device memory. Confirm your device has enough available storage space. Restart the app or your device to clear temporary cache. If the problem persists, reinstall the app (please note local data will be cleared after reinstallation).
Failed to save label images to photo library Confirm that you have granted photo library access permission to PrepMaster in your device Settings. Insufficient device storage will also cause save failures; please free up space and try again.
Will app updates delete my local data? Regular app updates will not erase any local meal prep data, task records, ingredient statistics or nutrition data. For extreme safety, you can manually back up important data before major version updates.
Dark mode display abnormality Dark mode only changes the UI visual theme and will not affect any local stored data. Toggle the system light/dark mode again or restart the app to fix visual display glitches.
Inaccurate nutrition or ingredient calculation All data is calculated locally based on user input values. Please check whether your ingredient dosage and meal settings are correct. Restart the app to refresh data statistics if exceptions occur.

Contact Support

If you encounter functional exceptions, display errors, or have feature optimization suggestions, feel free to contact our support team:
Support Email: 18389836001@163.com
We will reply to all valid inquiries within 24–48 hours to solve your usage problems and optimize your meal prep experience.
Thank you for using PrepMaster — Simplify your weekly meal prep and stick to your healthy diet effortlessly! πŸ₯—πŸ½️

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