Apps Like FastFlex for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


Zero: Fasting & Food Tracker
Zero Longevity Science, Inc.
Track fasts, meals, and hydration
Track intermittent with timers and streaks. Log protein intake and meals. Monitor hydration and daily habits. Sync data across devices. Receive insights to adjust schedules and improve overall health outcomes.

Simple Fasting Tracker
Mamta Shah
Track schedules and monitor weight metrics
Set personalized and weight goals. Create custom schedules. Track weight, body fat percentage, waist circumference, BMI, and other metrics. Receive reminders and monitor progress over time. Adjust schedules based on real-time data.

Daily Fast
Travis Ma
Set fasting timers and track breaks
Sends alerts for fasting windows and breaks. Tracks fasting duration. Allows manual log entry for meals and water intake. Provides simple progress overview without additional features.

Intermittent Fasting Tracker -
Leap Health Fitness Limited
Track fasts, get health insights, log meals
Track periods and receive health insights through updated expert articles. Access easy-to-prepare recipes, including keto options. Monitor weight loss progress and maintain a sustainable lifestyle without restrictive dieting.

Intermittent Fasting Timer
Teleprompter LLC
Track fasts, set schedules, export data
Track periods with customizable schedules and manual entry. View analytics and export data to PDF. Set reminders and adjust past fasts. Use a simple and access today’s fasts via the Today Widget. Sync with Health to monitor weight.

MyFitnessPal: Calorie Counter
MyFitnessPal, Inc.
Track food, macros, and workouts
Track calories, macros, and nutrients with a database of foods. Log workouts and monitor progress. Set fitness goals and receive meal suggestions. Sync data across devices and access intermittent fasting tools.

Fasty - Intermittent Fasting
Gabe Rogers
Track periods and break times
Track periods with a one-tap timer. Choose from multiple programs. Set custom fast durations. Log weight changes if desired. View progress without account creation or data collection. No ads or sign-up required.

Lose It! – Calorie Counter
FitNow, Inc.
Track calories, log meals, and monitor weight
Track and macro intake with a food database. Log meals and exercises. Set weight loss goals and monitor progress. Plan intermittent fasting schedules. Sync with health apps for comprehensive tracking.

Blood Pressure-Monitor Tracker
Novabeyond limited
Track and analyze trends
Track , heart rate, sugar, weight, and BMI with manual entries. View intelligent charts and trend analysis to monitor health changes over time. Set reminders and log symptoms for daily wellness management.

Noyoyo: Weight & GLP-1 Tracker
Obvio s.r.o.
Track and progress
Track body and BMI with daily or weekly entries. Monitor medication effects and side effects. Sync with Google Health Connect and WITHINGS scales. Log activities and measurements. Set reminders. Share progress with friends.


BodyFast: Intermittent Fasting
BodyFast GmbH
Track schedules and meal plans
Track schedules and meal times. Receive weekly personalized plans based on goals and progress. Access daily coaching and 100+ recipes designed for . Monitor food intake and hydration. Set reminders for meals and water.

Senza: Keto & Fasting
527H, Inc.
Track nutrition, workouts, and mood
Track nutrition, workouts, sleep, and mood to monitor daily progress. Log meals using barcode scanner, restaurant menus, or custom meal builder. Access a database with 1.6 million food items and 5,000 recipes.


AI Calorie Tracker by Yazio
YAZIO GmbH
Track calories and log meals
Track calories with an AI-powered food scanner and database. Log meals and snacks, set daily goals, and monitor progress. Intermittent fasting schedules and nutrition analysis are included.


Fast Tracker - FastTrack
App Factory, LLC
Track fasts and eating periods
Track fasting periods with customizable duration settings. Set start and end times for fasting and eating windows. Receive alerts to remind you when to begin and end fasting. Log weight to monitor progress over time.

Fitia: Calorie Counter & Diet
Nutrition Technologies SAC
Track calories with photo, voice, or text
Track calories via photo, voice, or typing. Create personalized meal plans for weight loss or muscle gain. Use AI coach for progress-based guidance. Log food, generate grocery lists, and view recipes. Monitor weight, body fat, and measurements.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.