Which muscles actually grew?
See muscle changes, body-fat movement, and measurement trends from one check-in to the next.
Know what is working before the mirror makes it obvious.AI physique tracking
Track the physique your training is building
GainFrame turns progress photos into body fat, FFMI, muscle scores, macros, and your next milestone in one clean report.
The most complete progress photo app, designed for people who lift.
GainFrame goes beyond photo storage by connecting what you see, what changed, and what to do next.
Product walkthrough
Finally answer the questions that matter.
Top moversChange
Upper chest development+24
Side delt roundness+18
Weekly scans found the trend
What changed since the last check-in?
Connect photos, body-fat deltas, macros, and muscle ratings so each scan gives you the next adjustment.
Turn a weekly photo into a specific plan.Precision body composition
One scan creates a report you can act on.
Each screen is purpose-built for repeat check-ins, not vanity metrics.
Deep dive reports
Before and after scores, body metrics, and a plain-English summary of what changed.
Trends over time
Track body-fat movement, weight changes, and muscle momentum across every check-in.
Adaptive macros
Cut, maintain, and bulk targets update from your actual body composition.
Future You
See your future physique.
Use your check-ins and current trend to preview where your body could be headed in the next 6 to 12 months.
Check-ins
A weekly loop that keeps the trend clean.
Start from home, capture a new photo, then review the score and body-composition readout without losing context.
Throwbacks
See progress you would have missed.
Automatic throwbacks compare older photos with today so small weekly improvements turn into a visible transformation.
Weight trend
Connect the scale to what your photos show.
Track weight, milestones, and rate of change next to physique updates so a bulk, cut, or recomp has a clearer signal.
60 second workflow
Snap. Analyze. Adjust.
Use the same loop every week and GainFrame keeps the trend clean.
01Take the photo
Front, side, and back poses with consistent framing.
02Get the report
Score, body fat, FFMI, muscles, and executive summary.
03Follow the next move
Training focus and macros adapt as your scan changes.
FAQ
Common questions.
How accurate is the AI body fat estimate?
Within 2-4% of DEXA for most users. The trend across consistent weekly photos is the most useful signal.
Are my photos private?
Your photos are sent securely for AI analysis and are never stored outside your device by GainFrame.
Can I import old gym selfies?
Yes. Smart Import classifies old photos by pose and builds your transformation timeline automatically.
Make your next check-in measurable.
Free 30-day trial. No credit card. Then $4.99/month or $29.99/year.
Download on App Store