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 your macros into a usable weekly meal structure.

The meal plan planner helps you organize calories and macros into a more practical 7-day eating plan you can actually follow.

  • Generate meal structures around calorie and macro targets.
  • Translate macro planning into daily food organization.
  • Use it after your TDEE and macro setup to reduce friction.