Understand your body. Daily.
Your calorie and nutrition tracker for Android. Ad-free. Your nutrition data stays on your device.
Everything you need
Simple, honest, and packed with the right features.
Calorie & Macro Tracking
Track calories, protein, carbs, and fat with just a few taps. Your daily goal always in sight.
Barcode Scanner
Scan a product barcode and instantly get all nutritional information. Fast and unlimited.
3M+ Foods
Access over 3 million foods from the Open Food Facts database (ODbL).
100% Ad-Free
No ads. No banners. No interruptions. Your tracking without distractions.
Offline Tracking
Custom foods, templates, and water tracking work without internet. Food search and barcode scanner require a connection.
AI Photo Recognition
Take a photo of your food and let AI automatically recognize nutritional values. Photos are sent to an external service for analysis.
Adaptive TDEE
Your calorie goal adjusts automatically — based on real weight progress instead of rigid formulas.
Meal Templates
Save frequent meals as templates and add them again with a single tap.
Custom Foods
Create custom foods with individual nutrition values — perfect for home-cooked meals.
Intermittent Fasting Timer
Circular countdown timer with protocols (16:8, 18:6, 20:4, OMAD). Streak tracking and fasting history.
GLP-1 Companion Mode
Injection log with site rotation, side effect tracking, and food tolerance tagging. Unique on the market.
Weekly Insights
On-device analytics: calorie compliance, pattern detection, weight prediction — all computed locally, no cloud.
PDF/CSV Export
Generate professional reports for your doctor. Weight history, nutrition data, and GLP-1 data at a glance.
Get started in 3 steps
No complicated setup. Just download and go.
Download the app
Download kerntrack for free from the Google Play Store.
Set up your profile
Enter your name, body data, and your goal. Your calorie target is calculated automatically.
Start tracking
Track your meals, scan barcodes, and watch your progress. Done!
Simple, fair pricing
Start for free. Upgrade when you want more. No pressure, no fine print.
BASIS
- Calorie & macro tracking
- Barcode scanner (unlimited)
- 3M+ verified foods
- 100% ad-free
- Offline tracking (templates & custom entries)
- Adaptive TDEE
- AI photo recognition
- Wearable sync
PRO
- Everything in BASIS
- Adaptive TDEE algorithm
- AI photo recognition (Gemini)
- Micronutrient tracking
- Wearable sync (Oura, Fitbit & more)
- Meal templates
- Custom foods
- Copy meal
- Intermittent fasting timer
- GLP-1 companion mode
- On-device insights
- Personalized meal plans
COACH
- Everything in PRO
- Intermittent fasting timer
- GLP-1 companion mode
- On-device insights & analytics
- Calorie cycling (training/rest/refeed)
- Personalized meal plans
- PDF/CSV export for doctor visits
The kerntrack Honesty Promise
- 14-day free trial
- Cancel in 2 clicks — no hidden retention flows
- Export your data anytime — CSV & PDF
- Monthly means monthly — the price is shown before purchase
Your data belongs to you
Privacy is not a feature — it's our core principle.
Stored locally
Your nutrition data is stored locally on your device. AI photo recognition (PRO) uses an external service for analysis.
No tracking, no ads
No Facebook SDK, no Google Analytics, no ad SDKs. We don't track how you use the app.
EU servers (Frankfurt)
If you create an optional account, your email address is stored on servers in Frankfurt. GDPR compliant.
Ready to understand your body?
Download kerntrack now — free, ad-free, and forever.
Free. Ad-free. Forever.