Useful fitness answers, without the noise.
Evidence-minded guides for people who care more about visible progress than another number on the scale.
Reading about progress is useful. Seeing yours is better.
Turn one gym photo into body-fat, FFMI, and muscle-group trends, then keep the signal going with consistent check-ins.
4.9 ★ from 35 ratings · 5,000 lifters · Private by design
Latest articles
Practical guidance on body composition, progress photos, training, and the work behind GainFrame.
Showing 31–60 of 286 posts
Average Waist Size for Women: By Age and How to Measure
Survey data puts the average American woman's waist around 38-39 inches, a number almost nobody recognizes, because women's clothing sizes never mention inches at all. What's average by age, where the health thresholds sit, and how to measure so the number means something.
Best AI Fitness Apps for Athletes: Match the App to Your Sport
Choose by the training decisions you need help making, from race preparation to strength sessions.
Best AI Personal Trainer Apps: Compare Workout Planners
A focused shortlist for planning gym workouts, with published features separated from claims about results.
Bicep Length: How to Measure It and What It Means
Start with the measurement you actually mean: arm length, muscle shape, or size around the arm.
Body Fat Percentage Chart with Photos: Visual Guide for Men & Women
Compare illustrated front and back body-fat references, with clear limits on what appearance can tell you.
Body Fat Scale Apps for iPhone: Third-Party Options That Fit
Separate scale pairing, body-fat data sharing and weight-trend charts before choosing another app.
Body Scanning Platforms for Coaches: What to Compare
Match the capture method to your coaching service before you buy a reporting platform.
DEXA Scan Alternatives: Compare Methods for Your Goal
Choose a repeatable measurement that answers your question, and understand what it cannot replace.
Meta Muse Fitness Tracking: A Weekly Check-In Template
Bring your actual week back to the conversation: completed workouts, comparable photos, and what got in the way.
Meta Muse Workout Plan: Prompts and a Progress-Tracking Setup
Muse plans. You do the work. Save your starting photo and build a record you can return to.
Newbie Gains: How Long They Last and How to Track Progress
Judge your next training decision from a repeatable record, not a countdown to the end of beginner gains.
Shoulder-to-Hip Ratio: How to Measure and Calculate It
A clear formula, a consistent measurement method, and no invented ideal body ratio.
Why Do I Have Skinny Arms? (And What Actually Fixes Them)
Your bench went up, your chest fills the shirt, and your arms are still the same tape measurement they were a year ago. The honest mechanisms behind skinny arms , and the boring, reliable fix that takes months, not weeks.
How to Blur Faces in iPhone Gym Photos
A practical guide to faces, mirror reflections and the details around them.
Fitbod vs Hevy: Planning, Logging and Progress Photos
Choose the training workflow you can stick with, including the planning features Hevy now offers.
Hume vs Withings: Body Pod and Body Scan Compared
Start with the exact scale model, then compare the routine and data you will actually use.
MacroFactor Workouts Review: Features, Pricing and Photo Tracking
What the training app offers, how it relates to nutrition tracking, and the tasks worth testing.
Pump vs No Pump: How to Compare Progress Photos Fairly
A repeatable photo routine makes a long series easier to interpret.
8 Best Body Tracking Apps in 2026 (Every Type Compared)
Compare body tracking apps for physique photos, body scans, measurements, scale trends, workouts and nutrition. Find the category that fits your progress goal.
Best Free Progress Photo Apps (2026): What Actually Works Without Paying
Compare free progress-photo storage and AI check-ins, see which imports and overlays cost extra, and use a free browser tool to align and export two photos.
Best Progress Photo Apps for 2026: 5 Options Reviewed
Compare five progress photo apps by imports, alignment, photo history, export options, AI estimates and free limits, with current App Store ratings and screenshots.
How Often Should You Take Progress Photos? A Practical Schedule
Choose a progress-photo schedule for a cut, bulk or recomp. Use a 12-week calendar to separate regular photo capture from meaningful progress comparisons.
Progress Photo Poses: The 5 That Actually Show Change
Use relaxed front, side, back and flexed progress-photo poses consistently. Download an illustrated pose sheet and learn what to match between check-ins.
How to Take Progress Photos: Gym Poses, Lighting and Solo Setup
Take consistent gym progress photos by yourself with a repeatable camera setup, front, side and back poses, lighting examples and a free comparison workflow.
Understanding Your AI Physique Score: What 1 to 100 Really Means
Understand an AI physique score, its four sub-scores, and the difference between a score and a body-fat estimate. Read a real report and track comparable photos.
Winter Arc 2026: Rules, Dates & a Free 90-Day Planner
Your next 90 days deserve more than a day-one selfie. Set your dates, build a photo routine, and keep a record of the work.
Gravl vs Fitbod: Which Workout App Fits Your Training?
A source-based comparison of two workout planners, with a repeatable way to test the one that fits your gym.
Free Tools Now Bring In Nearly Half My App's Search Traffic
Google sent 1,477 clicks one day and 1,598 the next. Free tools bring in nearly half the site's search traffic, and the app is nearing $2,400 MRR and $15,000 total revenue.
GainFrame Is Around $2,000 MRR. I'm Still Figuring Out How to Grow It.
RevenueCat shows $2,208.95 MRR today. Growth has slowed, and I'm trying creator content while I figure out where to spend my time.
RIRLift vs Hevy: Which Apple Watch Gym App Fits You?
RIRLift makes a strong case for keeping your phone in your bag. Hevy also supports phone-free lifting, so the choice comes down to effort logging, your devices, and your training habits.
Download GainFrame today
Sign up for early access and be the first to know when GainFrame goes live.
