FLEX Stronger vs TrueRep VBT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FLEX Stronger
This app revolutionizes weight training by syncing with a sensor to provide real-time performance feedback. Track, manage, and review your training like elite athletes, with automated workouts and group training options. It offers detailed metrics, video recording with data overlay, and a community feature for sharing and downloading workouts.
- Real-time performance feedback
- Velocity-based training (VBT)
- Automated workouts
- Group training for up to three people
- Video recording with synced data
- 1RM prediction
- Workout creation and sharing
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Revolutionise the way you train and prepare in the weights room! The FLEX Stronger app syncs to a FLEX barbell sensor to deliver real-time feedback straight to your device. Track, manage and review training performance just like elite and professional athletes right across the globe, through the Major Leagues, UFC, Premier League and Olympic institutes. Developed by the team at GymAware, FLEX packages everything we learned from delivering gold standard products to the pro ranks into the only VBT system developed specifically for individual use. The smartest system on the market, FLEX automates your entire training experience. Select an exercise. Load some weight. Lift. Completely wireless. No calibration, adjustments or exercise creation required. Perfect for individual athletes, remote coaches and personal trainers. *Performance Metrics & Targets* Precise and immediate feedback on Mean and Peak Velocity, Mean and Peak Power, Distance, Height, Eccentrics, Position and live bar path tracing. Set targets on key performance metrics to benchmark effort across your session. *Group Training* Add other lifters into your session for group training with up to three people. Complete regular training, pre-programmed workouts or even the 1RM prediction with your group. Training partners who complete sessions with you can collect and store their data in their own profiles once the session is done. Training partners can be added or removed from sessions at any time. *Video Mode* Switch to video mode and record your set with synced data overlaid on the saved file. Send to friends, coaches or share online. Handsfree start and stop. Set your device up and lift. Your video will start, stop and crop to capture the set you just completed. *Automated Workouts* Complete workouts that step you through the entire program, from exercise and weight changes to targets and rest times. *Create, Share and Download Workouts* Create custom workouts directly in the app. Let FLEX run you through your new program, or share them via our Community feature with training partners or clients using FLEX. Looking for inspiration, download sessions from any of your connections in Community and complete them yourself. Set targets based on their results and compete and compare over the same workout. *1RM Predictions* Use the automated 1RM prediction protocol to gauge current strength and readiness levels without an actual 1RM attempt. *Multitasking* There are no limits in the FLEX app. Start regular sessions and add in training partners, or start a pre-programmed workout. Background the app and switch on your favourite tunes. Browse your historical results in the middle of your training sessions. Whatever you need is accessible any time. *Community* Create connections in the FLEX community so you can browse their training history, download sessions (complete with their results), send workouts, train in groups. View session data live as it is uploaded set by set, and interact with fist bumps and comments directly on the platform. *Store and Review* All your data is stored and reviewable in History right in your app. Data is securely backed upon our servers and retrieved on your device at any time.
TrueRep VBT
This app transforms your iOS device into a real-time velocity tracking tool for barbell movements. It offers precise data, instant feedback, and comprehensive analysis to optimize training for athletes and coaches.
- Real-time velocity tracking
- Barbell movement analysis
- Instant performance feedback
- Comprehensive data analysis
- Coach and team monitoring
- Easy setup with magnet
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TrueRep VBT: Real-Time Velocity Tracking Unlock unparalleled training insights with TrueRep VBT, the pioneering mobile solution that redefines Velocity-Based Training (VBT). Why Choose TrueRep VBT? Innovative Technology: The first of its kind, TrueRep VBT transforms your iOS device into a powerful velocity tracking tool, capturing the velocity of your barbell movements in real-time. Ease of Use: Say goodbye to complex setups. Attach our simple magnet to your barbell, launch the TrueRep app, and dive into your training. No intricate installations. No hassles. Precision at Its Best: Powered by advanced algorithms, TrueRep VBT guarantees accurate and reliable velocity data, ensuring every rep counts. Affordability Meets Quality: Eliminate the need for costly hardware-based units. TrueRep VBT brings top-tier velocity tracking to your fingertips without breaking the bank. Instant Feedback: View your velocity data as you train. Make on-the-spot adjustments to maximize your performance and results. Deep Dive into Data: Harness comprehensive data analysis tools to scrutinize your training trends, set ambitious goals, and make informed, data-driven decisions. For Coaches & Teams: TrueRep VBT isn't just for individual athletes. Coaches can effortlessly monitor multiple athletes, crafting personalized training regimens based on unique data and objectives. Step into the next era of training. Whether you're an athlete aiming to shatter records or a coach striving to elevate your team, TrueRep VBT is your ultimate training companion.
Screenshots
Verdict
FLEX Stronger and TrueRep VBT both sit at 4.4 stars, but that hides the real split: 100% of TrueRep VBT's written reviews are positive against 71% of FLEX Stronger's. TrueRep VBT also leads on update cadence (every 6 days vs monthly). FLEX Stronger's advantage is iOS requirement (12.0 vs 16.4). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FLEX Stronger holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 8 and 18 respectively. Written reviews complicate that: 71% of FLEX Stronger's written reviews are positive against 100% of TrueRep VBT's, so the app with the better star average is not the one people write more warmly about.
FLEX Stronger ships an update monthly, TrueRep VBT every 6 days. The most recent releases landed on October 4, 2026 and September 22, 2026 respectively.
| Parameter | FLEX Stronger | TrueRep VBT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (8 ratings) — better | 4.2 (18 ratings) |
| Positive reviews | 71.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 | 18 — better |
| Update frequency | Monthly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 83 MB | 32 MB |
| Age rating | 17+ | 4+ |
| Developer | Kinetic Performance | Ozark Apps Development LLC |
Customer experience
FLEX Stronger
TrueRep VBT
In-app purchases
FLEX Stronger
No in-app purchases
TrueRep VBT
No in-app purchases
Questions
Is FLEX Stronger free?
Is TrueRep VBT free?
Which has better reviews, FLEX Stronger or TrueRep VBT?
Do FLEX Stronger or TrueRep VBT have ads?
Which is updated more often, FLEX Stronger or TrueRep VBT?
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