Hashifix

Your free AI thyroid assistant. Ask questions, scan lab results, and track your thyroid health privately on your device.

Hashifix is your personal thyroid health companion, designed for people living with Hashimoto’s, Hypothyroidism, Hyperthyroidism, and Graves’ disease.

AI THYROID ASSISTANT • Ask questions and get clear, easy-to-understand answers about thyroid health • Backed by ATA Clinical Practice Guidelines and trusted medical sources, cited in every response • When you choose to include lab values in conversation, only anonymous numerical values are shared. No photos, no documents, and no personal information ever leave your device

LAB RESULTS TRACKING • Track your thyroid lab results over time • Photograph or upload your blood test results. All processing happens entirely on your device • Personal information (name, date of birth, doctor, facility) is automatically removed before any data is used • Only your numerical lab values are stored, privately and securely on your device

UNDERSTAND MY RESULTS • See how each of your lab values compares to published reference ranges • Green, yellow, and red indicators for TSH, Free T4, Free T3, and antibody levels • FT3:FT4 ratio calculated with the formula shown, based on ATA guidelines • 100% on-device. No data leaves your device when using this feature

HASHIFIX SCORE • See your personalized Hashifix Score, a 0 to 100 tracking index calculated from your latest lab values • Based on TSH, Free T4, Free T3, and antibody levels, using a disclosed piecewise formula • A simple snapshot to track trends over time, not a clinical assessment

PRIVACY • Your lab data is stored only on your device. It is never uploaded to our servers • Photos are processed entirely on-device and never transmitted • The “Understand My Results” feature is 100% on-device. OpenAI is never involved • Only anonymous numerical values are shared with the AI when you choose to include them in chat

DISCLAIMER Hashifix is for educational and informational purposes only. It is not a medical device and does not provide medical advice, diagnosis, or treatment. The AI assistant provides general health information only and does not make clinical determinations. Lab result context is educational, not a substitute for professional medical evaluation. Always consult a qualified healthcare provider for medical advice, diagnosis, or treatment of any health condition.