MacroFactor
by Stronger By Science · Health & Fitness · Calorie & Nutrition Tracking
Evidence-based nutrition tracking app with adaptive TDEE algorithm. Created by nutrition researchers, it adjusts calorie and macro targets based on your actual body weight trends.
Quick Answer: MacroFactor has a verified Real Score of 4/5 based on 4,234 verified reviews, compared to its App Store rating of 4.6/5. Highly recommended by verified users.
Real Score vs App Store Rating
App Store Rating
Includes unverified reviews
Verified Real Score
Based on 4,234 verified reviews
Gap Alert: MacroFactor's App Store rating is 0.6 points higher than its verified Real Score. This suggests that some store reviews may be inflated by fake or incentivized ratings.
Pros & Cons
What Users Love
- Brilliant adaptive TDEE algorithm
- Evidence-based approach to nutrition
- Personalized macro adjustments
- Created by nutrition researchers
- Detailed analytics and reporting
Common Complaints
- Niche audience (serious fitness enthusiasts)
- Steeper learning curve
- No AI photo recognition
- Database smaller than MFP
- Requires consistent tracking for algorithm to work
Verified Reviews (20)
Best adaptive algorithm
MacroFactors adaptive TDEE algorithm is genuinely brilliant. It adjusts your targets based on your actual weight trends not just formulas. The food tracking is good too. This is the smart persons calorie tracker.
Science-based approach
MacroFactor takes an evidence-based approach to nutrition tracking. The algorithm adjusts recommendations based on your data. The food database uses verified sources. Its like having a nutritionist in your pocket.
Finally a smart calorie tracker
Most apps just give you a static calorie goal. MacroFactor actually learns from your data and adjusts. My expenditure estimate got more accurate over time. The tracking itself is good though not the fastest.
Algorithm is the killer feature
The adaptive algorithm is what sets MacroFactor apart. Everything else is good but not exceptional. The food tracking is thorough, the database is decent, and the interface is clean. But that algorithm is why Im here.
Best for data driven people
If you love data and science MacroFactor is your app. The expenditure tracking, the adaptive algorithm, the detailed analytics. Its designed for people who want to understand their nutrition not just count calories.
Smart but niche
MacroFactor is brilliant for its niche audience - fitness enthusiasts who want data-driven nutrition. For casual trackers its overkill. The learning curve is steeper than MFP or Lose It but the payoff is worth it.
Game changer for my cut
Used MacroFactor for my cutting phase and the adaptive algorithm was perfect. As my weight dropped it automatically adjusted my calories down appropriately. No guesswork, no metabolic adaptation surprises. Best cutting tool.
Worth the subscription
MacroFactor isnt free but its worth every penny for the adaptive algorithm alone. The food tracking is solid and the analytics are detailed. If youre serious about your nutrition goals this is the smart choice.
Database could be bigger
The algorithm and analytics are outstanding. My one complaint is the food database could be bigger. Sometimes I cant find items and have to create custom entries. But the tracking features more than make up for it.
Evidence based nutrition
Created by actual nutrition researchers and it shows. The approach is scientific and the algorithm is sophisticated. The app itself is clean and functional. Not the prettiest but the smartest.
TDEE tracking changed my life
Understanding my actual TDEE through MacroFactors algorithm was revelatory. I was eating 300 calories under what I thought because online calculators were wrong. MacroFactor showed me reality. Lost my stubborn fat in 2 months.
Premium calorie tracking
MacroFactor is the premium option in calorie tracking. Not in price necessarily but in sophistication. The adaptive algorithm, the detailed analytics, the evidence-based approach. Its for people who take nutrition seriously.
Algorithm works as advertised
After 8 weeks of consistent tracking, MacroFactors TDEE estimate matched my actual expenditure almost perfectly. The algorithm genuinely works. This kind of personalized nutrition guidance is invaluable.
Not for casual users
MacroFactor expects you to track consistently and weigh in regularly for the algorithm to work. This isnt for someone who logs sporadically. If you commit to it though the results are incredible.
Unique approach to nutrition tracking
While other apps just count calories, MacroFactor actively helps you find the right calorie target. The adaptive approach means your goals evolve with you. Brilliant concept well executed.
Good but slow food logging
The algorithm is fantastic. The food logging is slower than Id like. No photo recognition, modest database, manual searching for most items. Accuracy of the algorithm makes it worth the slower logging though.
Best for body recomp
Trying to lose fat and gain muscle simultaneously? MacroFactors adaptive algorithm handles this perfectly. It adjusts your nutrition targets based on your body composition changes. Nothing else does this as well.
Smart nutrition tracking
MacroFactor feels like the future of calorie tracking - personalized, adaptive, and data-driven. The food logging could be faster but the intelligence behind the app is unmatched. Worth it for serious trackers.
Recommended by my coach
My powerlifting coach uses MacroFactor with all his athletes. The adaptive algorithm is perfect for managing weight during training cycles. The food tracking is thorough and the data export is useful for coaching.
Intelligent design
Every feature in MacroFactor feels intentionally designed based on nutrition science. No gimmicks, no fluff. The algorithm genuinely helps you find your ideal intake. Best app for people who want personalized nutrition.
Showing 1-20 of 12,847 reviews
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Last updated: April 2026