Trace is a food and symptom diary designed to reduce the effort of keeping a record over several weeks. Users can speak or type a short daily note; on-device speech recognition turns speech into text, which the service analyzes into meals, ingredients, symptoms, timing, and intensity. Trace compares days with a food against days without it and groups ingredients into a food map, avoiding a strong pattern label based on one bad day. The free diary includes history and CSV export, while Premium adds the full food map and a PDF report for a doctor. Trace explicitly says it does not diagnose medical conditions.

Trace: Food & Symptom Diary
A voice-friendly food and symptom diary that compares logged foods across better and worse days.
Overview
A closer look at Trace: Food & Symptom Diary.
A closer look
App screenshots
Choose with confidence
The useful details.
What it does
- Log meals and symptoms by voice or text and organize them by timing and intensity.
- Compare food entries across days with and without reported symptoms.
- Export diary data as CSV and create a Premium PDF report for a clinician.
- Use the free tier to keep a history of meals and symptoms.
A good fit for
- People who want to keep a structured food and symptom diary to discuss with a healthcare professional.
Worth knowing
- Trace is not a medical device and does not diagnose food sensitivities or other conditions.
- The food-pattern analysis and doctor report require Premium; subscription prices are not stated in the listing.
Frequently asked questions
Answers based on the app’s official listing and reviewed information.
What is Trace: Food & Symptom Diary used for?
A voice-friendly food and symptom diary that compares logged foods across better and worse days.
What can you do with Trace: Food & Symptom Diary?
Log meals and symptoms by voice or text and organize them by timing and intensity. Compare food entries across days with and without reported symptoms. Export diary data as CSV and create a Premium PDF report for a clinician. Use the free tier to keep a history of meals and symptoms.
Who is Trace: Food & Symptom Diary designed for?
People who want to keep a structured food and symptom diary to discuss with a healthcare professional.
What should you know before downloading Trace: Food & Symptom Diary?
Trace is not a medical device and does not diagnose food sensitivities or other conditions. The food-pattern analysis and doctor report require Premium; subscription prices are not stated in the listing.
Does Trace: Food & Symptom Diary include paid features?
Premium is an automatically renewing subscription that unlocks food analysis and doctor reports; the listing does not specify prices.
Which platforms support Trace: Food & Symptom Diary?
Greatooly's reviewed app information lists iOS.
Researched from official sources; this is not a hands-on review. Last checked 2026-11-04.
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