Support
We’re here to help you get the most out of CutJournal AI.
Contact Us
For questions, feedback, or support requests, reach out to us at:
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We typically respond within 24-48 hours.
Frequently Asked Questions
How does the AI body fat estimation work?
CutJournal AI uses an advanced AI vision model to analyze your progress photos. The model examines visual cues in your photo — such as muscle definition, body proportions, and visible fat distribution — to estimate your body fat percentage. Research has shown that AI-powered 2D photo methods can achieve substantial agreement with DEXA scans (the clinical gold standard), with concordance correlation coefficients of 0.96 or higher (study published in npj Digital Medicine). For best results, take photos in consistent lighting and poses. That said, CutJournal AI estimates are for informational and tracking purposes only. It is not a medical diagnosis. Consult a healthcare professional before making decisions based on these values.
Is my data private?
Yes. Your photos and measurements are stored locally on your device. The AI model runs entirely on your device — your data never leaves your phone and is never sent to any server. See our Privacy Policy for full details.
How do I sync with Apple Health?
Go to Settings within the app and enable Apple Health integration. You can choose which data types to sync (weight, body fat percentage, etc.).
How accurate is the AI body fat estimation?
The AI provides estimates intended for tracking trends over time. While individual readings may vary, the tool is most valuable for observing changes in your body composition across weeks and months. For clinical measurements, consult a healthcare professional.
Can I export my data?
Yes, CutJournal AI supports data export. Check the Settings section within the app for export options.
Report a Bug
Found a bug? Please email us at with:
- A description of the issue
- Steps to reproduce it
- Your device model and iOS version
- Screenshots if applicable