# Flex: Workout Tracker — Workout log & plate calculator > Strength training workout tracker with personalized routines and smart plate calculator. (iPhone/iPad app by KEVIN BROWN.) - Source: https://appshunter.io/ios/app/flex-workout-tracker/id6758920531 (this page in markdown: same URL + `.md`) - Developer: [KEVIN BROWN](https://appshunter.io/developer/1803158449) - Category: Health & Fitness - Price: Free - Rating: 5.00/5 from 7 App Store ratings · 6 written reviews indexed - Age rating: 4+ - Requires: iOS 18.0 · 3 MB - Languages: American English - Released: 2026-02-23 - Data updated: 2026-09-08 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/flex-workout-tracker/id6758920531/reviews.md ## What is Flex? Flex is the ultimate companion for your strength training journey. Whether you're a powerlifter, bodybuilder, or just getting started in the gym, Flex helps you track your progress, build strength, and achieve your fitness goals with simplicity and precision. Experience effortless workout tracking designed to keep you focused on your lift, not your phone. You can build personalized workout templates for any routine and organize them into custom folders to keep your training schedule clean and accessible. With the built-in Smart Plate Calculator, you never have to do gym math again.... Flex automatically visualizes how to load the bar for your specific lifts. Your workouts go where you go. Flex seamlessly syncs your data across all your devices using iCloud, so your history is always up to date. Designed with privacy in mind, Flex uses Sign in with Apple and iCloud to ensure your health data remains secure without third-party accounts. Build consistency and see results. Download Flex today and make every rep count. Flex is designed and built by two fitness freaks, Ashton Krstolic and Kevin Brown. Every feature exists because we needed it at the rack. Questions or ideas? Visit our support page — we read every message. ## Key features - Effortless workout tracking - Personalized workout templates - Customizable workout folders - Smart Plate Calculator - Cross-device iCloud sync - Privacy-focused with Sign in with Apple ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/flex-workout-tracker/id6758920531/reviews.md ### 5/5 — Easy, Simple, Efficient! *2026-03-05* 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. ### 5/5 — Great app! *2026-03-01* 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! ### 5/5 — ⭐️⭐️⭐️⭐️⭐️ Best Workout App Ever — Hands Down! *2026-02-27* 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. 💪 ### 5/5 — Great App *2026-02-25* 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. ### 5/5 — Great fitness app! *2026-02-25* 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! ### 5/5 — Great Weight Lifting Tracker *2026-02-25* If you are into tracking your everyday progress with your fitness goals, this is definitely the app for you. Very easy to use and self-explanatory and very customizable when you’re creating your workouts and if you like satisfying things adding plates to the barbell in the app is very satisfying feature and a good tool for adding up the weight so you don’t have to. ## Frequently asked questions about Flex ### 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. ## Version history (last 2 releases) ### 1.0.3 — 2026-09-06 • 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. ### 1.0.2 — 2026-02-23 No release notes. ## Apps similar to Flex | App | Rating | Price | Category | | --- | --- | --- | --- | | [Bhalam](https://appshunter.io/ios/app/bhalam/id6760677792) | 5.0 (8) | Free | Health & Fitness | | [Rep Track - Workout Tracker](https://appshunter.io/ios/app/rep-track-workout-tracker/id6759986590) | 5.0 (3) | Free | Health & Fitness | | [Gladiator Fit](https://appshunter.io/ios/app/gladiator-fit/id6743448055) | 5.0 (1) | Free | Health & Fitness | | [Pono Coaching](https://appshunter.io/ios/app/pono-coaching/id6503629371) | 5.0 (1) | Free | Health & Fitness | | [Luxury Psychiatry Clinic](https://appshunter.io/ios/app/luxury-psychiatry-clinic/id1491786269) | — | Free | Health & Fitness | | [CARE: All-in-one Wellness](https://appshunter.io/ios/app/care-all-in-one-wellness/id6752722848) | 4.9 (13) | Free | Health & Fitness | ## More apps by KEVIN BROWN - [PipeBase: Pipe Fitter Charts](https://appshunter.io/ios/app/pipebase-pipe-fitter-charts/id6806855894) - [Ten BII Pro Finance Calculator](https://appshunter.io/ios/app/ten-bii-pro-finance-calculator/id6807545037) - [BendMark Conduit Calculator](https://appshunter.io/ios/app/bendmark-conduit-calculator/id6807879474) All apps by KEVIN BROWN: https://appshunter.io/developer/1803158449 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-08.*