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SigmaLifting

Designs and manages powerlifting training programs with percentage-based prescriptions, RPE targets, backoff sets, fatigue drops, and deloads, with real-time updates and import/export to XLSX or JSON.

sigmalifting.appHealth & FitnessDec 2025SigmaLifting LLC

SigmaLifting is a mobile and CLI application for powerlifters to design and manage training programs. It solves the problem of using spreadsheets or rigid lifting apps by offering a flexible, percentage-based program builder with RPE targets, backoff sets, and deloads. It targets individual powerlifters and coaches who write their own programs, from hobbyists to serious athletes. The app is offline-first, requires no account, and is free, with an open-source file format that allows easy export and sharing.

Key features

  • Percentage-based prescriptions
  • RPE targets
  • Backoff sets
  • Fatigue drops
  • Deloads
  • Real-time updates
  • Export to XLSX or JSON
  • Import from spreadsheet
  • Offline-first
  • No account needed
  • Open-source protocol
  • CLI with agent skills
  • No social media activity within the last 30 days
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  • API
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