Best apps like Fastyn: Intermittent Fasting

9+ similar apps compared and reviewed

4.8 avg rating
9 free apps
Updated August 2026

Looking for something like Fastyn? We've analyzed 9+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Fastyn

VOID - Intermittent Fasting#2

VOID - Intermittent Fasting by 河南雀科信息科技有限公司

Neon style. No ads.
Strong Contender
💪 Health & Fitness
5.0(1 ratings)
Free
VOID - Intermittent Fasting screenshot 1
VOID - Intermittent Fasting screenshot 2
VOID - Intermittent Fasting screenshot 3
VOID - Intermittent Fasting screenshot 4

This AI-powered coach visualizes your fasting progress, from blood sugar depletion to fat burning. Log meals instantly with photo recognition or voice commands, and receive personalized nutrition and exercise advice. Gamified motivation and smart hydration tracking help build healthy habits.