Track Macros with
AI Precision
Macro Maxxing is a free AI-powered macro tracking app for iOS that lets you log food by snapping a photo or describing your meal with your voice. It estimates calories, protein, carbs, and fat using Claude AI and the USDA nutrition database.
Includes workout tracking with automatic macro adjustments, an intermittent fasting timer, daily streaks, leaderboards, and a social community — all completely free with no ads.
Claude AI
Food Recognition
Voice + Photo
Input Methods
USDA + AI
Verified nutrition data
100% Free
No Paywall
Everything You Need to Maxx Your Macros
From AI-powered food logging to smart workout adjustments — every tool you need in one app.
AI Photo Food Scanner
Take a photo of your meal and AI instantly identifies every item and estimates calories, protein, carbs, and fat — no manual entry needed.
Voice Meal Logging
Say "ground turkey with rice and mixed vegetables" and AI generates accurate macros from your voice description. Hands-free tracking.
Smart Workout Tracking
Log workouts by voice or manually. Choose from Strength, Cardio, HIIT, Flex/Yoga, and more. Auto-adjusts daily macros based on activity.
Intermittent Fasting Timer
Built-in fasting timer that persists across app restarts. Track your 16:8, 20:4, or custom fasting window with real-time countdowns.
Streaks & Leaderboards
Build streaks by hitting your macro goals daily. Compete on Team, Local, and Arena leaderboards. Earn Aura XP and level up.
Social Feed & Community
Share your nutrition wins, rep other trackers, and stay motivated with a global community of macro trackers.
Three Ways to Log. Zero Excuses.
Whether you prefer snapping a photo, speaking to your phone, or typing it in — Macro Maxxing makes logging effortless.
Snap a Photo. Get Instant Macros.
Take a picture of your plate and our AI system identifies every food item. Powered by Claude Haiku and Sonnet, it cross-references the USDA database for the most accurate nutrition data possible.
- ✓Vision AI identifies food items on your plate
- ✓Cross-references USDA nutrition database for accuracy
- ✓Edit and adjust portions before saving
- ✓Save meals as templates for quick re-logging
AI Photo Analysis
Snap your meal → get instant macros
2,704
kcal
165g
protein
350g
carbs
71g
fat
Voice Recognition
Tap to record → describe your meal
“This is the ground turkey with rice and mixed vegetables”
Just Say What You Ate.
Hands full? Just tap the mic and describe your meal naturally. AI transcribes your voice and generates accurate macro breakdowns instantly. Perfect for post-workout logging.
- ✓Natural language voice recognition
- ✓AI parses quantities, ingredients, and cooking methods
- ✓Works for both meals and workouts
- ✓Tap to re-record if needed
Log Workouts. Auto-Adjust Macros.
Choose your workout type — Strength, Cardio, HIIT, Flex/Yoga, or Rest Day. Macro Maxxing automatically adjusts your daily macro targets based on ISSN & ACSM guidelines so you fuel your training properly.
- ✓6 workout types with smart macro adjustments
- ✓Voice logging — describe your workout and AI fills the details
- ✓Save workout templates for one-tap logging
- ✓Macro adjustments based on ISSN & ACSM guidelines
📊 Macro Adjustment
Strength2,704kcal
+140
350g
+23
165g
+12
71g
—
Based on ISSN & ACSM guidelines. Applied to today only.
See It in Action
A dark-mode interface designed for real people. Every screen built for speed and clarity.
[App Screenshot: Log Food with AI Photo]
Log Food with AI Photo
Snap your plate, get instant macro breakdown
[App Screenshot: Voice Meal Logging]
Voice Meal Logging
Describe your meal, AI generates the macros
[App Screenshot: Smart Workout Tracking]
Smart Workout Tracking
Log workouts with auto macro adjustments
Learn More
Features
Goals
Ready to start maxxing your macros?
Download Macro Maxxing for free and start tracking with AI today.
Download on the App StoreFree to download. iOS 17+ required.
Last updated: March 24, 2026