Workout Tracker Gym Log - Flex 4+
AI Workout Builder & Trainer
Flex Artificial Intelligence Inc.
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- Free
- Offers In-App Purchases
Screenshots
Description
Your AI-Powered Gym Tracker & Personal Trainer
Smash your fitness goals with Flex – the ultimate AI workout tracker that plans, tracks, and adapts to your progress. No more guesswork! Whether you're lifting weights, building muscle, or losing weight, Flex helps you stay on track and push past plateaux.
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Smarter Gym Tracking, Faster Progress
- Track every lift & rep automatically – no need for a manual training diary.
- AI-driven workouts that adjust difficulty based on your performance.
- Track progress visually with real-time charts and streaks.
- Sync with Apple Watch for hands-free workout tracking.
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Your AI Personal Trainer
- Get expert guidance from an AI fitness coach that adapts to you.
- Auto-adjusts weight, reps, and sets to maximise strength gains.
- Receive reminders & real-time coaching on form, rest time, and intensity.
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Build Muscle, Lose Weight, Stay Motivated
- Follow structured workout programmes or create your own.
- Log every gym session with our lifting log and training diary.
- Compete & compare progress with friends in the Flex community.
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Free vs. Premium Plans
*Free Plan:
- Access premade workouts
- Track workouts & progress
- Customise your training plans
*Flex Premium (£8.99/month or £54.99/year):
- Apple Watch logging
- Auto Progression: Adjusts difficulty automatically
- Premium training programmes & freestyle workouts
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Download Flex Now – Your AI Coach Awaits!
Smash PBs. Track Gains. Train Smarter.
Join thousands of lifters & athletes who trust Flex to track workout progress and take their gym routine to the next level.
Download now and start lifting smarter!
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Follow us for tips & updates:
Instagram: @flex.ai
TikTok: @flex.app
Website: flexfitnessapp.com
What’s New
Version 2.37.1
Bug fixes and performance improvements
Ratings and Reviews
App Privacy
The developer, Flex Artificial Intelligence Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.
Data Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Location
- Contact Info
- Identifiers
- Usage Data
- Diagnostics
Privacy practices may vary based on, for example, the features you use or your age. Learn More
Information
- Provider
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Flex Artificial Intelligence Inc. has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
- DUNS Number
- 203838859
- Address
- 1050 Pender St W Suite 650 Vancouver British Columbia V6E 3S7 Canada
- Phone Number
- +1 (778) 918-0851
- support@flexfitnessapp.com
- Size
- 510.7 MB
- Category
- Health & Fitness
- Compatibility
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- iPhone
- Requires iOS 17.0 or later.
- Apple Watch
- Requires watchOS 9.0 or later.
- Apple Vision
- Requires visionOS 1.0 or later.
- Languages
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English
- Age Rating
- 4+
- Copyright
- © 2025, Flex AI Inc.
- Price
- Free
- In-App Purchases
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- Premium Subscription Monthly 10,49 €
- Premium Yearly Subscription 62,99 €