CRUCIBLE
Import your coach's spreadsheet. Log sets in seconds. Track progress over time. Crucible is the powerlifting training app built for athletes who train with a program.
How It Works
Upload your coach's spreadsheet: XLSX, CSV, or a Google Sheets link. Crucible reads any layout, any format, any coach's style.
See today's session. Tap to log each set. Weight, reps, RPE. Three fields, one swipe to confirm. Your hands go back on the bar, not the phone.
Estimated 1RM trends, volume charts, PR detection, and DOTS scoring. Watch your numbers climb across blocks and training cycles.
See It In Action
Features
XLSX, CSV, or Google Sheets URL. Crucible's AI normalization pipeline reads any coach's layout. No reformatting required. Dates, exercises, sets, reps, RPE, %1RM, and target loads are all extracted automatically.
FreeSwipe right to log a set. Swipe left to undo. Tap to enter weight, reps, and RPE. Top-set detection and PR tracking happen automatically in the background.
FreeOpen the app and see exactly what you're doing today. Day progress bar, exercise cards with prescriptions, and a calendar with training day dots for navigating your block.
FreeEstimated 1RM trends over time, weekly volume tonnage, exercise filtering, and date range views. See how your strength is moving across training blocks.
ProDesignate your squat, bench, and deadlift. Track your running total, DOTS score, and IPF GL (Goodlift) score over time. Compare against your OpenPowerlifting best.
ProOne tap copies your logged sets in a tab-separated format, ready to paste back into your coach's Google Sheet. Select which exercises to send. Export full training logs as CSV.
Copy ExportYour all-time best lift and rep PRs for every exercise, plus deep-dive block stats: adherence, tonnage, PRs, and weekly trends.
ProTraining receipt after every week: sessions completed, tonnage, top set, average intensity, and RPE delta. Pro unlocks the full breakdown: per-exercise planned vs actual, INOL, and session durations.
Free Full BreakdownEstimated 1RM and rep personal records detected automatically as you log. Gold banner, spring animation, and haptic feedback when you hit a new best.
FreeAlready mid-program? Import a completed block with your logged weights and RPE. Crucible builds your history, detects PRs, and populates your Hall of Fame from day one.
1 Free UnlimitedCoaches using the Blacksmith template format get instant, exact imports. Unlimited imports and free backfill for every athlete. No Pro subscription required.
Visual barbell breakdown for any weight
Score your total against the field
Instant lbs/kg conversion mid-session
Instagram-ready session summary card
The Workshop
A free, web-based program builder for coaches. Click exercises, drag sets between days, set a progression, and the Workshop does the rest. No formulas, no broken tabs, no coach-to-athlete formatting mismatch.
Crucible Pro
Philosophy
Every design decision defers to the barbell. These three principles shape the rest.
Every screen is designed for the gym floor. Large tap targets, swipe gestures, minimal navigation. Log a set in seconds and get back to work.
All training data lives on your device. No account required, no cloud sync to break. The only network call is the one-time spreadsheet import; everything after that is instant and local.
Your coach sends a spreadsheet, you import it. No reformatting, no new platforms. Coaches using Blacksmith templates unlock unlimited free imports and backfill.
Get Started
Crucible is coming soon to iOS. Send us your program and we’ll confirm it imports cleanly. You’ll be first in line at launch.
Want to try before you build? Download the free 4-week program →