Coach Fatso • By RMAH

Meals made simple.

Enter what you eat, see calories and macros instantly, and set a daily target based on your body and activity. Everything stays on your device.

⚡ Offline • By RMAH

⌁ Your own Coach Fatso app

Install on your phone

One app for Android and iPhone. Keeps your meals and custom foods on your device.

Open this app from its HTTPS website to install it.

01. Your body & goal

Adjust once; saved on this device.

BMR equation

Age (years)

Weight (kg)

Height (cm)

Activity level

Your goal

Set my own calorie target

Your daily calorie target

—

—Resting metabolic rate

—Estimated maintenance

—Protein / day

—Carbs / day

—Fat / day

Calculated using Mifflin–St Jeor + an activity multiplier. Protein ~1.7 g/kg and fat ~0.7 g/kg; carbs fill the remaining calories. These are estimates, not medical prescriptions.

🔒 Your profile, meals and custom foods stay on this device in your browser/app storage. Sharing the app link does not share your personal data. Use Export to back up your information before switching devices.

Saved meals

Load your favourites in one tap.

No saved meals yet.

Export creates a JSON backup of your saved profile and meals. Keep it private.

02. Daily tracker

Your total across breakfast, lunch, snack and dinner.

Today

Date

0Calories eaten

0 gProtein

0 gCarbs

0 gFat

Daily caloriesSet your profile

Protein target—

Carb target—

Fat target—

03. Build a meal

Type ingredients naturally, or add them individually.

Breakfast0 kcal added

Describe the food and amount

Separate ingredients with commas or new lines. Also understands 2 eggs, 1 scoop whey and 1 tbsp olive oil.

Or select from ingredient library

Food suggestions for

Food

Grams

Ingredients in breakfast

No ingredients yet. Add your first food above.

Meal total0 kcal

0 gProtein

0 gCarbs

0 gFat

➕ Add a custom food or branded product

Use its nutrition label per 100 g. You can add a brand-specific tofu, vegetarian burger, whey, noodles or cottage cheese.