Arete Codex
Free fitness tools. No personal data collected.

Android app is out

MacroCodex lets you track your TDEE, weight, calories, and macros from your phone.

Install the free MacroCodex Android app and keep your nutrition data moving with you, without paywalls or subscriptions.

Download on Google Play

Free Tool

Turn calorie targets into practical macro targets.

The energy and macro planner converts your calorie target into protein, fat, and carbohydrate goals that match your body composition and training phase.

  • Build macros for cutting, bulking, maintenance, and recomp.
  • Set protein, fats, and carbs around lean mass and total calories.
  • Move directly from calorie planning into meal planning.