FitStack: All-in-One Fitness

ProMasse Performance LLC

About this app

FitStack is your all-in-one fitness companion for training, nutrition, and recovery — built to help you stay consistent and reach your goals.

Whether you want to build muscle, lose weight, or just stay on track, FitStack brings your workouts, meals, and supplements together in one clean, easy-to-use app.

WORKOUT TRACKING
• Log your workouts and build a full training history
• Create custom workouts from a large exercise library — barbell, dumbbell, machine, cable, and bodyweight movements
• Search exercises quickly and save your personal records
• See which muscles are fatigued and which are ready with a smart recovery view

NUTRITION & MEAL TRACKING
• Track calories and macros (protein, carbs, fats) for every meal
• Scan product barcodes for instant nutrition info
• Snap a photo of your meal to estimate its nutrition
• Add meals manually with full macro control

MEAL PLANNING & GROCERIES
• Get meal ideas for breakfast, lunch, dinner, and snacks
• View full recipes with ingredients and steps
• Generate a grocery list automatically from your planned meals

SUPPLEMENTS
• Get supplement suggestions based on your goal
• Build your daily stack and check off what you've taken

STAY MOTIVATED
• Track streaks and earn badges as you hit milestones
• Share progress and connect with others in the community feed

Set your goal, log your day, and let FitStack help you stay consistent.

FitStack does not provide medical advice. Always consult a qualified professional before starting any new exercise, diet, or supplement program.

What’s new

A brand-new FitStack!

• Fresh look: new FS logo, app icon, and a bright cyan redesign
• All-new onboarding: pick your goal, program style, diet, and protein target — we compute your personal macro plan
• Smarter coaching: FitStack now learns your real metabolism from your weekly progress and fine-tunes your calorie targets
• Log meals your way: snap a photo, scan a barcode, or just describe your plate
• Plus: per-day calendars, smoother animations, and many fixes