Paste. Speak. Lift.
Import any programme. Log sets with your voice. See your % of 1RM on every rep.
AI-Powered Features That Actually Help You Lift
Not another rep counter. Featherweight understands your programme, your voice, and your progress.
AI Programme Import
Paste any text. Get structured workouts.
AI Programme Generation
Pick your lifts. AI builds the programme.
AI Coach
Ask questions about your training. Get personalized answers.
Voice Logging
Speak your sets. Hands stay on the bar.
Plus everything else you need
Live Intensity
See % of 1RM on every set.
Plate Calculator
Know exactly what to load.
Muscle Heat Map
See your training balance.
Rep Max Calculator
Plan your working weights.
PR Celebrations
Every record gets celebrated.
Progress Trends
1RM and volume over time.
Training Analysis
AI coaching insights.
Workout Summary
Muscles worked at a glance.
Workout History
Calendar view of all sessions.
Programme Library
20 programmes — StrongLifts, 5/3/1, nSuns, PPL, GZCLP, and more — ready to go.
From Programme Text to Tracking in Under a Minute
Skip the data entry. Start lifting.
Paste Your Programme
Copy text from anywhere - coach's email, Reddit, PDF, spreadsheet. AI parses it into structured workouts instantly.
Log With Your Voice
Tap the mic, speak your sets naturally between rest periods. AI transcribes and logs everything hands-free.
Track Your Progress
See live % of 1RM on every set, get AI training analysis, and watch your PRs stack up over time.
Built for Lifters Who Hate Data Entry
We couldn't find an app that did all of this. So we built one.
Paste Any Programme
Copy text from a coach's email, Reddit post, or spreadsheet. AI parses it into structured workouts automatically.
Voice Workout Logging
Speak your sets naturally during rest periods. AI transcribes, parses, and matches exercises hands-free.
Realtime % of 1RM
See "88% of 1RM" under every set as you lift. Immediate intensity context during your workout.
Programme Deviation Tracking
Know exactly how your training differed from the plan: exercises swapped, weights modified, volume changes.
OpenWeight & CSV Export
Export your data in OpenWeight JSON or CSV for spreadsheets. Your training history, fully portable, no lock-in.
Free Core, Premium AI
All tracking features are free with no ads. Optional premium subscription unlocks higher quotas for AI coaching, programme generation, and voice input.
Frequently Asked Questions
Got questions? We have answers.
Yes! Core features are completely free with no ads. Optional premium unlocks higher AI quotas for power users, but you can track workouts, log PRs, and use all core features without paying a cent.
Absolutely. All core tracking works without internet. Your data lives on your device first. Cloud sync is optional and keeps your data backed up across devices.
Any. 5/3/1, nSuns, GZCLP, coach programmes, custom plans. Paste the text, AI structures it. Or let AI generate one from scratch based on your lifts and goals.
Featherweight is built for lifters who run structured programmes. AI parses any programme text instantly, voice logging means no typing between sets, and live % of 1RM gives you intensity context on every rep. No other app does all three.
Android first. iOS is planned based on demand. Drop us an email if you want to be notified when it launches.
Ready to Lift Smarter?
Join lifters who ditched spreadsheets and clunky apps. Free on Google Play.
Android 8.0+ required. No account needed to start tracking.