ChewSum

Say what you ate.
We’ll do the math.

AI-assisted nutrition tracking with Dual-Engine Adaptive TDEE, Apple Health sync, and zero ads or tracking.

Join the Beta on TestFlight

Dual-Engine TDEE

Adapts dynamically to your real metabolism and workouts instead of guessing from static formulas.

Apple Health Sync

Seamlessly brings in workouts, active energy, sleep, heart rate recovery, and logs your nutrition back.

Privacy-First AI

Bring your own OpenRouter key. Hardware-encrypted Keychain storage, no data selling, zero user tracking.