MacroFactor is arguably the best full macro-coaching app: it learns your metabolism from your logs and weight trend and adjusts calorie and macro targets weekly. GramsIn does none of that — it tracks protein only, by text message. If you are running a serious cut or bulk and want adaptive calorie targets, MacroFactor is the better tool. If you just want to hit your protein number every day without opening an app, that is exactly what GramsIn is for.
| Feature | GramsIn | MacroFactor |
|---|---|---|
| What it tracks | Protein only | Calories + full macros, with adaptive weekly targets |
| Coaching | None — you set a protein goal, GramsIn helps you hit it | Algorithmic: adjusts targets from your weight trend |
| How you log | Reply to a text with what you ate | Open app, search, scan, or use AI describe |
| Platform | SMS (any phone) + web dashboard | iOS / Android app |
| Price | $8/mo or $80/yr, 14-day free trial | Roughly $12/mo or $72/yr, no free tier |
| Best for | Protein consistency with near-zero effort | Structured cuts/bulks with evidence-based coaching |
MacroFactor details last verified 2026-07-20. Their pricing and features may have changed since.
Not directly. MacroFactor is a full adaptive macro coach; GramsIn is a single-metric habit tool. They solve different problems — GramsIn competes with "I stopped tracking," not with MacroFactor’s algorithm.
No. You set your daily protein goal (our free protein calculator can help), and you can change it anytime from your dashboard. GramsIn focuses on making sure you actually hit it every day.
GramsIn is somewhat cheaper on both monthly (about $8 vs about $12) and annual (about $80 vs about $72–$96 depending on plan) pricing, and includes a 14-day free trial. But the real difference is scope: MacroFactor gives you much more software; GramsIn asks much less of you.
14-day free trial, no credit card required. Not sure what your protein target should be? Start with our free protein calculator.
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