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PHYT estimates body composition from a short phone video. Fitycal builds a 3D avatar from a 360 degree scan. Here is a fair side by side comparison and when to stick with PHYT.

PhysiqMax scores your muscles from two photos. Fitycal measures your body with a 3D scan. Here is a fair side by side comparison and when to stick with PhysiqMax.

"ScanFit" is the name of more than one app: a photo-based body fat estimator and a Danish smart scale system. Here is what each one does and how Fitycal compares.

GainFrame turns gym progress photos into AI body fat and muscle scores. Here is what it does well, where it falls short, and how it compares with Fitycal's 3D body scan.

InBody and Evolt 360 scans are quick, but you have to go to a gym or clinic for each one. Here is an honest comparison of the at-home alternatives, from InBody's own home scales to 3D phone scan apps.

Smart scales, 3D phone scans, DEXA and skinfold calipers all estimate body fat, but with very different accuracy. Here is what the published studies say and which one to use for what.

DEXA is the reference for body composition, but most people cannot book one every month. Here is an honest look at the at-home alternatives, how close each gets to DEXA in published studies, and when a DEXA is still worth it.

Bodymapp only works on iPhones with Face ID. If you are on Android, an iPhone SE or a tighter budget, here is an honest Fitycal vs Bodymapp comparison and when to stick with Bodymapp.

On semaglutide or tirzepatide, part of the weight you lose can be lean mass. Here is what the trials show, what to measure besides the scale, and a simple 12-week check-in plan.