Review · Updated May 23, 2026
MacroFactor Review
An adaptive macro coach in app form.
What is MacroFactor and who is it for?
MacroFactor takes a coaching-first approach. You log your meals; the app watches your intake and weight trend, then adjusts your calorie and macro targets weekly. It is built by Stronger By Science and reflects that pedigree, the algorithm is the product, not the database.
What does MacroFactor do well?
- Adaptive algorithm tunes your targets weekly based on real data
- Strong macro coaching with clear weekly summaries
- No ads, no upsells inside the app
- Excellent for cuts, bulks, and recomposition
What are the weaknesses of MacroFactor?
- Subscription only, no perpetual free tier
- Database is solid but not the largest
- Less suited to casual users who do not want a weekly check-in
Who should use MacroFactor?
- Strength athletes and physique competitors
- Users in a structured cut or bulk
- Anyone burned out on guessing whether to eat more or less
How did MacroFactor score across the six dimensions?
The 74.8 of 100 composite is a weighted sum of six sub-scores measured by the published CCS protocols.
| Dimension | Weight | Sub-score |
|---|---|---|
| Accuracy | 25% | 86 |
| Database Quality | 20% | 78 |
| AI Photo | 20% | 45 |
| Macros | 15% | 94 |
| UX | 10% | 82 |
| Price | 10% | 64 |
| Composite | 100% | 74.8 |
| Platforms | iOS, Android, Web |
|---|---|
| Pricing | ≈ $13.49/mo or $80.49/yr |
| Logging methods | Manual, barcode, AI description |
| AI estimation | Yes, description-based |
| Macro tracking | Yes, adaptive |
| Database size | Mid-sized, verified entries |
| App Store rating | 4.9 ★ |
| Overall score | 74.8 / 100 |
| Tested per | Our 120-day CCS protocol |
| Last reviewed | May 23, 2026 |
What is the best alternative to MacroFactor?
Recommended alternative
Welling
Regain control of your diet with AI.
MacroFactor and Welling overlap on the coaching layer but get there differently. Welling layers feedback directly on top of AI logging, which means coaching shows up in the moment instead of only at weekly check-ins, and it offers a real free tier, unlike MacroFactor.
Read the Welling review →Frequently asked questions about MacroFactor
Is MacroFactor better than Welling?
Different shapes. Welling is best at making the logging step disappear. MacroFactor is best at tuning your targets. Some users run both.
Does MacroFactor have a free tier?
No perpetual free tier, there is a trial, then subscription.
How does MacroFactor compare to other calorie counting apps?
Related guides and comparisons
What sources support this MacroFactor review?
- Our testing methodology, the 120-day CCS protocol behind this review.
- Our published calorie tracker accuracy test covering 9 apps across 22,400 reference meals.
- USDA FoodData Central, reference nutrient database we benchmarked against.
- NIH, research on dietary self-monitoring and adherence.
- Burke LE et al., self-monitoring and weight-loss outcomes.
- Examine.com, evidence-graded nutrition reviews.
- Academy of Nutrition and Dietetics.
- Editorial disclosure, our independence policy.