
7700 Kcal Challenge
Burn bodyfat with buddies!
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About
7700 Kcal Challenge - Science-Based Fat Loss Goals!
Why 7700 kcal?
To lose 1kg of body fat, you need an energy deficit of approximately 7,700 kcal¹². This scientific principle was
established by Dr. Max Wishnofsky in 1958 and is widely cited in medical literature worldwide³. Our app uses this
evidence-based approach to provide clear, achievable goals.
Key Features
【Apple Watch Integration】
• Real-time calorie tracking via HealthKit
• Accurate tracking of all activities - workouts and daily movement
【AI-Powered Workout Recommendations】
• Personalized exercise programs based on your body type, experience, and goals
• Fresh daily routines to keep you motivated
【Challenge Mode】
• Choose 1-week, 2-week, or 1-month periods
• Systematic progress tracking toward your 7700kcal goal
【Battles & Raids】
• Compete with friends in calorie battles for extra motivation
• Team raids to achieve goals together
【Missions & Achievements】
• Daily/weekly missions to build consistent exercise habits
• Various achievements and rewards to boost your sense of accomplishment
【Points System】
• Earn points as you exercise
• Get rewards for attendance, missions, and achievements
Perfect For
• Anyone with weight loss goals
• Those wanting to build exercise habits
• People who struggle with motivation when exercising alone
• Anyone seeking a science-based approach to fitness
Start today. Experience healthy transformation with the 7700kcal Challenge!
References:
¹ Wishnofsky M. Caloric equivalents of gained or lost weight. Am J Clin Nutr. 1958;6(5):542-546
² Hall KD. What is the required energy deficit per unit weight loss? Int J Obes. 2008;32(3):573-576
³ Thomas DM, et al. Can a weight loss of one pound a week be achieved with a 3500-kcal deficit? Int J Obes.
2013;37(12):1611-1613
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What's New in 7700 Kcal Challenge
1.0
January 15, 2026





