About
This app helps users track calorie intake specifically for gaining weight and muscle mass. It offers quick meal logging via photo recognition and provides personalized targets based on user stats and goals. Data is kept private on the device with optional iCloud sync.
What's New in Gain Weight
1.0.5
May 29, 2026
You can now choose kg or lb for weight. Improved calorie chart selection, tapping, and scrolling behavior. Refined display text and stability across the app.
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StackCal Pro 年額プラン
StackCal Pro の年払いプランです
Developer apps
FAQ
What is StackCal's primary focus?
StackCal is designed specifically for users aiming to gain weight and muscle mass, unlike many apps focused on weight loss. It helps users understand how much more they need to eat to reach their goals.
How does StackCal log meals?
StackCal offers a unique 5-10 second logging method using AI to recognize food from a photo, estimating calories without barcode scanning or manual database searches.
Is StackCal free to use?
StackCal offers a free tier for core logging features. A subscription is required to unlock advanced features like photo-based food recognition and trend analysis.
What are the subscription options for StackCal?
StackCal offers a monthly subscription for $9.99 with a 7-day free trial, and an annual subscription for $49.99 with a 7-day free trial. Subscriptions can be canceled anytime in iOS Settings.
Does StackCal have ads?
No, StackCal is ad-free. The app explicitly states it has no ads, no IDFA, and no tracking pixels, prioritizing user privacy.
How does StackCal handle user data privacy?
StackCal is privacy-first, requiring no account and keeping all meal and weight data on the user's device. Optional iCloud sync uses private CloudKit containers, ensuring the developers never see your data.
What devices is StackCal available on?
Based on the provided data, StackCal is currently supported on iPhone devices.
How often is StackCal updated?
The app was last updated on May 29, 2026, indicating recent development and maintenance. The latest version is 1.0.5.