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Calorie Tracking Tools
My Food Diary TOP PICK
Comprehensive and easy to use. Available as desktop, online, and smartphone app. Offers 7-day free trial, then 29 cents per day.
Cronometer
Comprehensive and easy to use. Available as desktop, online, and smartphone app. Free signup, but then costs $7 per month.
Other Apps
MyMacros+
Great app, easier to use than MyFitnessPal (iPhone | Android).
MyFitnessPal
Popular app, but complex to setup and use (iPhone | Android).