How to Track Your Macros on iPhone — The Simple Way

Macro tracking is one of those things that sounds more complicated than it is. Once you understand the basics and have the right app on your iPhone, it takes a couple of minutes a day and makes a massive difference to your results.

Here's everything you need to know to get started.

What Are Macros?

Macros — short for macronutrients — are the three main nutrients your body uses for energy:

Your total calorie intake is simply the sum of all three. Tracking macros gives you more control than just counting calories — because 2,000 calories of protein and vegetables affects your body very differently to 2,000 calories of sugar and fat.

Why Bother Tracking Macros?

Most people who struggle with their diet aren't eating badly on purpose — they just don't know what's actually in their food. Tracking macros fixes that. Within a week most people have two or three realisations:

• They're eating far less protein than they thought
• Certain "healthy" foods are surprisingly high in fat or carbs
• Their total calorie intake is higher (or lower) than they assumed

That awareness alone tends to change behaviour — without the need for a strict diet.

How to Work Out Your Macro Targets

Your targets depend on your goal, weight, activity level and body composition. A simple starting point:

• Protein: 0.7–1g per pound of bodyweight (or 1.6–2.2g per kg) — prioritise this above everything else
• Calories: Use a TDEE calculator to find your maintenance calories, then adjust up or down depending on whether you want to gain or lose
• Carbs and fats: Fill in the remainder based on preference — both work, it's personal

How to Track Macros on iPhone

The easiest way is with an app that has a barcode scanner. Here's the process:

1. Log your meals as you eat them — not at the end of the day when you've forgotten everything
2. Scan barcodes — for packaged food this takes about 3 seconds and is always accurate
3. Search for whole foods — chicken breast, rice, eggs, oats — most databases have these ready to go
4. Check your progress at midday — if you're low on protein, you've still got time to fix it

Tips That Make It Much Easier

• Use a food scale for the first two weeks until you get an eye for portion sizes
• Save your common meals so you don't have to re-enter them
• Plan your biggest meal last — it's easier to hit your targets when you know what's left
• Don't aim for perfection — hitting your protein target and being roughly right on calories is 90% of the battle

Common Mistakes to Avoid

• Forgetting drinks and condiments — sauces, milk in coffee and cooking oils all add up
• Logging cooked weight instead of raw — chicken loses around 25% of its weight when cooked, which changes the numbers significantly
• Quitting after one bad day — one day off doesn't ruin progress; giving up because of one day does
• Obsessing over hitting targets exactly — within 10% is fine, and sustainability matters more than precision

How REVIVE Fitness Makes Macro Tracking Easier

REVIVE FITNESS includes a barcode scanner, meal planner with full macro breakdown, and an AI Meal Planner that builds personalised meal plans around your targets. Instead of spending time searching for foods, you can ask the AI coach to build you a meal plan that hits your macros for the day — and it adjusts based on your preferences.

The macro and TDEE calculators are in the Fitness Tools section and are available free to all users.

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