TrueCal help
By Eric Parker, founder of TrueCal. Updated .
Choose a feature to see what it does, how to use it, and what to expect after you submit a meal or change a setting. Each article includes steps and answers to common questions.
Start with the logging method you use on your phone. For a saved meal, open the editing article. The connection articles cover Apple Watch, Apple Health, and ChatGPT. For trial eligibility and billing, read the subscription article before choosing a plan.
Logging food
- How to log food by typing what you ate
Type a meal description in TrueCal Pro, send it, and review the food log. Learn what to include and how typed AI logging differs from manual entry.
- How to log food with a photo in TrueCal
Add a food photo or nutrition label with TrueCal Pro. Include written details, send the meal, and review the nutrition estimate.
- How to log food with your voice in TrueCal
Use a spoken meal description to log food with TrueCal Pro. Follow the recording steps and check the saved foods and portions.
- How to scan a barcode in TrueCal
Scan a packaged food barcode with TrueCal Pro. Learn what happens after the scan and how a nutrition label photo differs from a barcode lookup.
Your food log
- How to fix or edit a logged meal
Change a saved portion or describe a meal correction in TrueCal. Follow the steps for direct edits and editing from a saved receipt.
- Where TrueCal's nutrition numbers come from
Learn how TrueCal uses nutrition databases, restaurant and brand information, label photos, and details you supply to calculate a food log.
Connections and Pro
- How TrueCal works with Apple Health
Turn on Apple Health sync in TrueCal Pro on iPhone. Review weight, activity, sleep, and nutrition sync status and manage Health access.
- How to use TrueCal on Apple Watch
Log food by voice on Apple Watch with TrueCal Pro and check daily calories and macros. Learn what the sent message means and where to review the meal.
- How the TrueCal free trial and subscription work
Understand the store-only Pro trial, free manual logging, subscription billing, and where to review your offer before starting TrueCal Pro.
- How to connect TrueCal to ChatGPT
Connect your TrueCal account from its ChatGPT listing, log meals from text, and understand introductory AI logs, Pro limits, and account access.
- How to connect TrueCal to Claude
Add TrueCal as a custom connector in Claude, connect your account, and learn what you can log and view, with account and plan limits.
For longer explanations of calorie tracking and nutrition, read the guides. For an overview of what TrueCal includes, see features and plans.