What Is the Best Free App to Track Protein?

FatSecret offers the most complete free protein tracking experience, displaying protein per meal and daily totals without any paywall restrictions. However, if you need per-meal protein targets, amino acid profiles, or protein quality data mapped to a verified database, Nutrola provides the most comprehensive protein tracking available at 2.50 euros per month after a free trial.

Protein is the most tracked macronutrient for good reason. It drives muscle protein synthesis, supports satiety, and plays a critical role in body composition whether you are losing fat, building muscle, or maintaining weight. The International Society of Sports Nutrition recommends 1.4 to 2.0 grams of protein per kilogram of body weight per day for active individuals, and hitting that target consistently requires accurate tracking.

But not all calorie tracking apps treat protein tracking equally. Some paywall macro-specific goals behind premium tiers. Others display protein data but do not allow you to set targets or view per-meal breakdowns. We tested six apps to find out which truly serves protein-focused users.

Protein Tracking Comparison Table: Free Tier Features

Feature	MyFitnessPal	Lose It	FatSecret	Cronometer	Yazio	Nutrola
Track daily protein	Yes	Yes	Yes	Yes	Yes	Yes
Set protein target	1 macro only (free)	Yes	Yes	Yes	Yes	Yes
Per-meal protein view	Yes	Premium only	Yes	Yes	Premium only	Yes
Protein bar chart/graph	Premium only	Premium only	Yes	Yes	Premium only	Yes
Amino acid profile	No	No	No	Yes (free)	No	Yes
Protein quality score	No	No	No	No	No	Yes
Complete vs incomplete protein	No	No	No	Partial	No	Yes
Protein per 100 kcal ranking	No	No	No	No	No	Yes
Database accuracy for protein	Moderate (crowdsourced)	Moderate	Moderate	High (curated)	Moderate	High (verified)
Price for full protein features	$19.99/mo	$39.99/yr	Free	Free / $5.99/mo	$6.99/mo	From 2.50 euros/mo

The MyFitnessPal Protein Tracking Problem

MyFitnessPal's free tier has a significant limitation that directly affects protein tracking: you can only set a goal for one macronutrient at a time. If you set a protein goal, you cannot simultaneously set carb or fat goals without upgrading to Premium at $19.99 per month.

This means free MFP users who want to track protein alongside other macros are stuck with either percentage-based goals (which shift as total calories change) or choosing which single macro to prioritize. For someone doing a high-protein cut who needs to track both protein and calories precisely, this limitation makes MFP's free tier inadequate.

MFP does display protein in the food diary on the free tier, so you can see how much protein is in each logged food. But without the ability to set simultaneous macro goals, you are mentally tracking targets rather than having the app hold you accountable.

Per-Meal Protein Distribution Matters

Research published in the Journal of the International Society of Sports Nutrition demonstrates that protein distribution across meals significantly affects muscle protein synthesis. Consuming 20 to 40 grams of protein per meal, spread across 3 to 4 meals, maximizes the anabolic response compared to skewing protein intake toward one large meal.

This means per-meal protein tracking is not a luxury feature. It is scientifically relevant to results.

Daily protein target	Optimal per meal (3 meals)	Optimal per meal (4 meals)	Too much in one meal?
100g	30-35g	25g	Over 50g
130g	40-45g	30-35g	Over 60g
160g	50-55g	40g	Over 70g
200g	65-70g	50g	Over 80g

Apps that show per-meal protein breakdowns (FatSecret, Cronometer, Nutrola, and MFP) make distribution tracking possible. Apps that only show daily totals (Lose It free, Yazio free) force you to mentally calculate whether each meal hit your per-meal target.

Who Needs Dedicated Protein Tracking

Not everyone needs to obsess over protein. But several groups benefit significantly from accurate, detailed protein tracking.

Strength athletes and bodybuilders

Hitting 1.6 to 2.2 grams per kilogram of body weight daily is essential for muscle growth. Missing protein targets by even 20 grams per day adds up to 140 grams per week of missed anabolic potential.

People in a calorie deficit

Protein becomes more important during fat loss to preserve lean muscle mass. Research suggests increasing protein to 2.3 to 3.1 grams per kilogram of lean body mass during aggressive cuts. Accurate tracking prevents muscle loss.

Older adults

Sarcopenia (age-related muscle loss) begins as early as age 30. Adults over 50 benefit from higher protein intake (1.2 to 1.6 grams per kilogram) and even distribution across meals. Per-meal protein tracking helps ensure adequate intake at every meal.

Vegetarians and vegans

Plant-based eaters need to track protein more carefully because plant proteins are generally less bioavailable and many plant foods are incomplete proteins. Knowing the amino acid profile of your foods, a feature Cronometer and Nutrola offer, helps ensure all essential amino acids are covered.

Amino Acid Tracking: The Next Level

For advanced users, total protein grams tell only part of the story. The amino acid composition determines protein quality. Leucine, in particular, is the primary trigger for muscle protein synthesis, and foods vary significantly in leucine content.

Food (per 30g protein)	Leucine	All 9 essential AAs?	Protein quality
Whey protein isolate	3.5g	Yes	Excellent
Chicken breast	2.4g	Yes	Excellent
Eggs (whole)	2.0g	Yes	Excellent
Greek yogurt	2.1g	Yes	Very good
Black beans	1.5g	No (low methionine)	Moderate
Brown rice	1.0g	No (low lysine)	Low-moderate
Peanut butter	1.3g	No (low methionine)	Moderate

Cronometer offers amino acid tracking on its free tier, making it the best free option for users who care about protein quality. Nutrola also provides amino acid profiles and adds a protein quality score that simplifies the data into an actionable rating.

Best Free Protein Tracker by Specific Need

Best completely free protein tracker

FatSecret. It shows daily and per-meal protein, allows custom protein targets, and displays macro charts, all without paying anything. The database is moderately accurate, and there are no restrictions on protein-related features.

Best for muscle building and athletic performance

Nutrola. Per-meal protein tracking, amino acid profiles, protein quality scores, and a verified database ensure you hit not just your protein gram target but your protein quality target. At 2.50 euros per month, it is far cheaper than hiring a nutritionist for the same information.

Best free option for amino acid tracking

Cronometer. Its curated database includes full amino acid profiles for many foods, available on the free tier. The trade-off is a smaller database and ads.

Best for vegetarians and vegans

Nutrola or Cronometer. Both show amino acid profiles, helping plant-based eaters identify complementary protein combinations. Nutrola adds a complete-versus-incomplete protein indicator and suggestions for complementary foods.

Best for simplicity

Lose It (free tier with limitations) or FatSecret. If you just want to see a protein number after each meal without detailed amino acid data, either app works. FatSecret is more generous on the free tier.

Tips for Hitting Your Protein Target

Regardless of which app you use, these strategies help you consistently hit your daily protein goal.

Front-load protein at breakfast. Most people eat protein-heavy dinners but carb-heavy breakfasts. Starting the day with 30-plus grams of protein from eggs, Greek yogurt, or a protein shake improves distribution and makes the daily target easier to reach.

Use the 30-gram per meal rule. Aim for at least 30 grams of protein at each main meal. This simple heuristic ensures adequate distribution without complex calculations.

Track for 2 weeks, then adjust. Use your protein tracking data to identify consistently low-protein meals and replace them with higher-protein alternatives. After 2 weeks of tracking, most people develop an intuitive sense of protein-rich meals.

Prioritize protein-dense foods. Some foods deliver more protein per calorie than others. Chicken breast, egg whites, and nonfat Greek yogurt offer the best protein-to-calorie ratio. Nutrola includes a protein-per-100-calorie ranking to help identify these foods.

Frequently Asked Questions

Can I track protein for free on MyFitnessPal?

You can see protein amounts in your food diary for free, but MFP's free tier only allows you to set a goal for one macronutrient at a time. If you want simultaneous protein, carb, and fat goals, you need Premium at $19.99 per month.

Which free calorie tracker shows protein per meal?

FatSecret, Cronometer, and MyFitnessPal show per-meal protein breakdowns on their free tiers. Lose It and Yazio reserve per-meal macro views for premium subscribers.

How much protein should I track per day?

General recommendations are 0.8 grams per kilogram for sedentary adults, 1.4 to 2.0 grams per kilogram for active individuals, and up to 2.3 to 3.1 grams per kilogram of lean body mass during aggressive fat loss. A 75-kilogram active person should target roughly 105 to 150 grams daily.

Does Nutrola track amino acids?

Yes. Nutrola provides full amino acid profiles for foods in its 1.8 million item verified database and includes a protein quality score that indicates whether a food is a complete protein. This is available on all paid plans starting at 2.50 euros per month.

What is the cheapest app with complete protein tracking?

Nutrola at 2.50 euros per month includes protein targets, per-meal tracking, amino acid profiles, protein quality scores, and verified database accuracy. FatSecret is the best free option but lacks amino acid data and protein quality metrics.