Best Diet Apps
2026 Buyer's Guide
|Updated May 2026Best apps to track your diet and achieve your health goals.
Editors' Pick 
1
Rating
6.4
Keto
Keto Diet for Beginners
- Requires zero prior keto diet knowledge to get started smoothly
- Saves plenty of time spent on manual macro calculation and meal planning
- Simple, clutter-free interface with no overly complicated redundant functions
- Low entry subscription cost that fits most new dieters' limited budget
Price: $0.00
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Rating
6
Lose
Lose Weight Hypnosis FREE - Guided Meditation for Fast Fat Loss through Improved Diet & Workout Motivation
- 100% free core features with no hidden mandatory subscription fees1
- Mindset-focused gentle approach helps avoid extreme diet burnout
- Simple intuitive interface suitable for total meditation beginners
- Supports background playback when your phone screen is locked
Price: $0.00
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Rating
7.4
Under
Under 600 Calories : Fast Food Nutrition Choices for Weight Loss and Diet Plan App
- Saves plenty of time spent checking nutrition information before ordering fast food
- Makes low-calorie weight loss diet far less restrictive when eating out or ordering takeout
- Clean, ad-light interface that is very friendly for first-time users to navigate
- Regularly updates new menu items from major local fast food brands
Price: $0.99
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Rating
8.6
The
The Fast Metabolism Diet: Eat More Food and Lose More Weight
- Eliminates the need for tedious strict calorie counting
- Offers flexible meal choices to accommodate different taste preferences
- Intuitive interface that is easy to use for total diet beginners
- Supports gradual weight loss without mandatory intense daily workouts
Price: $13.50
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Rating
6.2
Macro
Macro Tracker
- Very intuitive interface that new users can get familiar with quickly
- Low system resource and battery consumption for long term use
- All core basic tracking features are available for free access
- Regular updates add more new food entries to the public database
Price: $0.00
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Rating
7.8
Keto
Keto Diet : Fast Food App
- Saves tons of time researching keto compliant fast food options manually
- Easy to navigate interface that works well for new keto dieters
- Regularly updates menu data to match latest fast food chain offerings
- Lightweight app that takes very little storage space on your phone
Price: $1.99
Check Price7
Rating
3.4
Mayo
Mayo Clinic Diet Shopping List
- Backed by Mayo Clinic’s well-respected, evidence-based nutrition research
- Saves significant time on weekly meal planning and grocery list drafting
- Reduces impulse purchases of non-diet-friendly food items while shopping
- Very intuitive interface that requires almost no learning curve for new users
Price: $1.99
Check Price8
Rating
8
South
South Beach Diet
- Follows a proven widely recognized diet framework that avoids extreme calorie restriction
- Most recipes use common easy-to-source ingredients that do not require special purchases
- Clear phase guidance helps new diet users adapt smoothly without overwhelming complex rules
- Suitable for users looking for long-term healthy eating adjustments rather than temporary quick fixes
Price: $0.00
Check Price9
Rating
8.6
The
The Fast Metabolism Diet Cookbook: Eat Even More Food and Lose Even More Weight
- Greatly reduces learning curve for users new to the Fast Metabolism Diet
- All recipes use common, easy to source ingredients from regular grocery stores
- Offers varied meal options to prevent diet burnout from eating the same food daily
- Friendly to home cooks with very limited previous cooking experience
Price: $15.87
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Rating
9
KetoSens
KetoSens Made in Korea Blood Ketone Monitoring Starter Kit: Ideal for Keto Diet with App. Includes 1 Meter, 10 Ketone Test Strips, 10 Lancets (30G), 1 Lancing Device & 1 Case
- All-in-one package requires no extra purchases to start testing right away
- Companion app helps users clearly view and manage their ketosis progress trends
- 30G ultra-fine lancets minimize pain during blood sampling process
- Compact whole set easily fits in most daily bags for outdoor use
Price: $32.99
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