Flex: Workout Tracker

Flex: Workout Tracker

Workout log & plate calculator

7 ratings
6 reviews
Free

Details

  • Released
  • Updated
  • February 23, 2026
  • September 6, 2026

Features

Flex: Workout Tracker screenshot #1 for iPhone
Flex: Workout Tracker screenshot #2 for iPhone
Flex: Workout Tracker screenshot #3 for iPhone
Flex: Workout Tracker screenshot #4 for iPhone
Flex: Workout Tracker screenshot #5 for iPhone
Flex: Workout Tracker screenshot #6 for iPhone
Flex: Workout Tracker screenshot #7 for iPhone
iphone
ipad
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About

Effortlessly track your strength training progress, build personalized workout routines, and visualize your lifts with an intelligent plate calculator. Syncs data across devices using iCloud for seamless access and prioritizes privacy with Sign in with Apple.

✓Effortless workout tracking
✓Personalized workout templates
✓Customizable workout folders
✓Smart Plate Calculator
✓Cross-device iCloud sync
✓Privacy-focused with Sign in with Apple
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What's New in Flex

1.0.3

September 6, 2026

• Finishing a workout now confirms first, drops empty sets and counts your personal records; cancelling a workout with logged sets asks before discarding. • The Previous column shows the sets from your last session of that exercise. • Deleted exercises stay deleted, and duplicate exercises are merged without losing history. • Edit a past workout freely: Cancel discards every change, Save keeps them. • Templates inside folders no longer show twice; sort by name or date; rename and delete with confirmation. • Plate calculator shows the correct bar and exact remaining weight. • New Support, Privacy and About in Settings, a refreshed icon, and support for iOS 18.

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User reviews

Easy, Simple, Efficient!

What I most like about the app is that it’s straight forward and easy to use. Simple yet clean design and I don’t waste too much time in between sets to track the progress.

Great app!

This fitness tracker app is fantastic. It’s easy to use and presents the data in a clear and motivating way. It has helped me stay consistent and I’ve seen real progress since I started using it. Highly recommend!

⭐️⭐️⭐️⭐️⭐️ Best Workout App Ever — Hands Down!

I’ve tried so many workout tracking apps over the years, and nothing even comes close to this one. This is by far the best app for tracking workouts and weights. It’s simple, powerful, and actually makes me excited to log my sessions.

The interface is super clean and easy to use. Logging exercises, sets, reps, and weights takes seconds, and I love how quickly I can see my progress over time. The progress tracking is incredibly motivating — being able to look back and see exactly how much stronger I’ve gotten keeps me pushing for more every week.

I also love how customizable everything is. You can build your own workouts, adjust exercises on the fly, and track exactly what matters to you. No clutter, no unnecessary features — just everything you actually need to improve.

The stats and history features are amazing. Seeing personal records automatically tracked and having all my previous workouts organized perfectly makes planning my next session effortless.

If you’re serious about strength training, muscle building, or just staying consistent, this app is a game changer. It’s reliable, intuitive, and honestly makes tracking workouts enjoyable.

I can’t imagine going back to anything else. Absolute 10/10. 💪
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Great App

Flex Workout Tracker is super easy to use and makes it simple to log your workouts and stay consistent at the gym. It’s a great option for beginners and intermediate lifters who just want a clean, organized way to track their progress.

Great fitness app!

The workouts are easy to follow, well instructed, and effective. I love how simple the tracking is and how it keeps me motivated to say consistent. It’s perfect whether you’re just starting out or already experienced. Highly recommend!

Developer apps

FAQ

What is Flex?

Flex is a strength training companion app designed to help users track their progress, build personalized workout routines, and achieve their fitness goals with features like a smart plate calculator and iCloud syncing.

Is Flex free to use?

Yes, Flex is available for free. The app was released on February 23, 2026, and is currently on version 1.0.2.

Does Flex have ads?

No, Flex does not contain advertisements. The app is designed to be ad-free, allowing for an uninterrupted workout tracking experience.

What devices does Flex support?

Flex is compatible with iPhones and iPads, ensuring users can track their workouts across their Apple devices.

How does Flex handle user data privacy?

Flex prioritizes user privacy by using Sign in with Apple and iCloud for data syncing, eliminating the need for third-party accounts and keeping health data secure.

Can I create custom workout plans in Flex?

Yes, Flex allows you to build personalized workout templates for any routine and organize them into custom folders for easy access and management of your training schedule.

How often is Flex updated?

The latest version of Flex, 1.0.2, was released on February 23, 2026, indicating recent development activity. Users can expect ongoing support and potential updates.

What is the age rating for Flex?

Flex has an age rating of 4+, making it suitable for a wide range of users interested in fitness tracking.