193+ iOS apps curated and reviewed
The best one day diet apps on iPhone average 4.6★ across 193+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
This app helps you gamify healthy eating by tracking your diet based on a system designed for healthier food choices. It allows for personal target setting and includes additional tracking for macronutrients and hydration. Coupled with exercise, it aims to support weight loss.
Achieve fast and safe weight loss with systematic home workouts and a vast selection of diets. Track progress, count calories, and receive video guidance for effective exercise routines. Scientifically proven to improve health and fitness.
This app simplifies adhering to the 17 Day Diet by providing pre-planned, balanced meals and automatically generated shopping lists. It offers personalized weekly meal plans based on your current diet cycle, making weight loss easier and more convenient.
This app acts as your personal keto coach, offering a powerful macro tracker with hundreds of recipes and diet tips. Easily log food using voice recognition or a barcode scanner, and receive a custom weight loss plan to reach your goals faster.
This app provides personalized nutrition plans for weight loss, muscle gain, or maintenance. It adapts your plan as you progress and offers a comprehensive food tracker with a large database and barcode scanner. It supports various diet preferences and allows for custom meal planning.
This app guides users through intermittent fasting to achieve weight loss and improve health. It offers customizable fasting plans, a timer, water tracking, and personalized recipes. Track your progress and gain insights into your body's changes.
This app offers a personalized nutrition and lifestyle plan inspired by Mediterranean recipes to support weight loss, boost energy, and improve overall health. It focuses on building sustainable habits through meal tracking, mindful movement, and stress reduction techniques.
This app provides HD video tutorials for weight loss workouts, acting as your personal trainer at home. It offers a variety of exercises like boot camp, cardio, and core, with clear video demonstrations and audio instructions. Optimized for women, it helps burn calories and achieve fitness goals.
This app helps users achieve their weight loss goals by tracking calorie intake, nutrition, and exercise. It offers features like AI-powered meal logging, barcode scanning, and personalized diet plans to simplify the journey to a healthier lifestyle.
Simplify healthy meal planning for busy families with customizable weekly plans and automatic grocery list generation. Connects to online grocery partners for delivery or pickup, or organizes lists for in-store shopping.
This app provides hundreds of recipes and a food compatibility database for the 17 Day Diet. It guides users through all four diet cycles with personalized meal plans, workout suggestions, and direct support to help achieve weight loss goals.
This app helps users achieve sustainable weight loss and health goals through personalized intermittent fasting plans and an AI-powered calorie counter. It offers features like food scanning, hydration tracking, and detailed progress monitoring. Users can access science-based insights and healthy recipes to support their journey.
This app provides personalized meal plans and habit-building tools for a high-protein, carnivore lifestyle. It helps users burn fat, boost energy, improve digestion, and build sustainable eating habits with simple, meat-focused recipes and progress tracking.
This app helps you make informed grocery choices by providing instant nutrition ratings based on your personal goals. Simply scan products or shelves to discover foods that fit your dietary needs, acting as a personalized food coach.
This app offers a skills-based approach to weight loss and healthy behavior change, focusing on mindfulness and practical, science-backed techniques. It provides personalized guidance, progress tracking, and tools like a meal timer to help users learn how to eat the foods they love while achieving their health goals.
This app provides personalized nutrition and lifestyle guidance for individuals on GLP-1 medication for weight loss. It offers tailored meal plans, habit tracking, supportive recipes, and mind-body exercises to promote sustainable healthy habits and progress.
Get personalized fitness and nutrition plans to achieve your wellness goals. This app offers customized workouts and healthy meal recipes, with guidance on exercise form and ingredient alternatives. It supports various dietary needs and preferences, making healthy living accessible.
This app helps you achieve weight goals by forming conscious food habits and adjusting nutrition. It acts as a personal nutritionist, guiding you toward your dream shape and healthy eating through meal snapping and personalized recommendations.
This app helps users achieve weight loss and improve metabolic health through intermittent fasting. It offers personalized plans, progress tracking, and coaching without dietary restrictions.
Easily monitor your nutrition and workouts with this official tracker. Log colored containers for meals, track water intake, and access daily workout plans. Monitor progress with body measurements and maintain your results with a dedicated maintenance mode.