21-day fitness challenge
Loving the 21-day fitness challenge! Such a creative way to get into fitness and a great way to build a community as well. This program definitely helps in understanding all the aspects that make up a healthy lifestyle 🍎
Free
About
This app helps busy professionals build small daily habits for long-term preventive health. Track sleep, meals, workouts, and more, and join health challenges with AI-powered suggestions. Learn to prevent burnout, obesity, diabetes, and stress.
✓Habit tracking (sleep, meals, steps, workouts)
✓21-day and 30-day health challenges
✓AI-based consistency suggestions
✓Preventive health education (burnout, obesity, diabetes, stress)
✓Apple Health/Google Fit integration
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What's New in Train Rex
1.3.0
July 10, 2026
--------------------------- What’s New --------------------------- 1. A Simpler Look — We've streamlined the app so everything's easier to find. 2. Faster & Smoother — We squashed the bugs so you don't have to.
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FAQ
What habits can I track with Train Rex?
Train Rex allows you to track key habits such as sleep, hydration, meals, steps, and workouts. This comprehensive tracking helps you monitor various aspects of your daily health and fitness routine.
Does Train Rex offer any challenges?
Yes, Train Rex features structured health challenges, including 21-day and 30-day programs. These challenges are designed to motivate users and help them build consistent healthy habits over a defined period.
How does Train Rex help with preventive health?
Train Rex provides educational content and AI-driven suggestions focused on preventing burnout, obesity, diabetes, and stress. By building consistent healthy habits, users can proactively manage their well-being.
Can Train Rex connect with other health apps?
Yes, Train Rex integrates with Apple Health and Google Fit, enabling automatic tracking of your steps and workouts. This seamless integration ensures your data is up-to-date without manual input.
What is the pricing for Train Rex?
Train Rex is available for free and offers in-app purchases. The app provides core habit tracking and challenge features without an upfront cost.
Does Train Rex have ads?
Yes, Train Rex contains advertisements. Users may encounter ads while using the application.
What devices is Train Rex available on?
Train Rex is currently supported on iPhone and iPod devices. This allows users with Apple mobile devices to access its habit-building features.
How often is Train Rex updated?
The latest version of Train Rex is 1.2.6, and it was last updated on May 11, 2026. This indicates regular maintenance and potential feature additions.
