viiiv vs PowerLab Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
viiiv
This app facilitates isometric strength training by connecting to specialized hardware. It allows users to select from various exercises, track real-time force data, and view progress reports with trend graphs. Users can log their sessions, create group accounts for clients, and share detailed performance summaries.
- 8+ isometric exercises
- Real-time force data graphing
- User account for data logging
- Group accounts for clients
- Progress reports with trend lines
- Sharable 2-page session reports
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Choose from 8+ exercises and graph real-time force data while performing isometric strength training exercises on the ViiV-Rx. This app will not function without the viiiv Pro machine to connect to - see https://viiivfitness.com Log into your User account to save and track your exercise data or use in Guest Mode without an account. Or create a Group Account for your wellness business to track all of your clients. Select either 5 (default) or 10 seconds per exercise. A 50% of Previous Best threshold Trigger Start insures maximum effort. Progress Reports with trend line graphs for each user and exercise. A 2-Page Report sharable via email, message, etc. shows Total Overall Strength Improvement after each viiiv session.
PowerLab Studio
This app offers high-intensity, low-impact workouts designed for full-body transformation. It guides users through the Lagree Method using Megaformer machines to build endurance, improve posture, and increase flexibility. Users can view schedules, book classes, and track progress.
- Lagree Method workouts
- Megaformer machine guidance
- Full-body transformation
- Class schedule viewing
- Workout reservation
- Progress tracking
- Community connection
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Are you ready to push past your limits, strengthen your body, and challenge your mind? Welcome to Powerlab, the ultimate destination for full-body transformation. At Powerlab, fitness is more than just a workout—it’s a lifestyle designed to help you build endurance, improve posture, increase flexibility, and sculpt long, lean muscles. Our certified instructors are experts in guiding you through the Lagree Method using state-of-the-art Megaformer machines. This high-intensity, low-impact workout is unlike anything you’ve tried before. It combines strength training, cardio, balance, and flexibility into one powerful session that keeps your muscles engaged from start to finish. Whether you’re new to Megaformer or a seasoned pro, our trainers will meet you where you are and push you to reach your next level. With the Powerlab app, you can take control of your fitness journey anytime, anywhere. Easily view the class schedule, reserve your spot, and manage your account—all in just a few taps. Set reminders so you never miss a workout, track your progress, and stay connected with your community of like-minded fitness enthusiasts. At Powerlab, every class is designed to challenge your core, increase your stamina, and ignite your inner power. You’ll leave each session feeling stronger, more energized, and ready to take on whatever life throws your way. Join us today and discover how far you can go. Your transformation starts at Powerlab—where strength meets precision, and results speak for themselves.
Screenshots
Verdict
The clearest difference is rating: viiiv at 5.0 against PowerLab Studio's 3.7. viiiv also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (12.0 vs 16.4). On price, ratings volume, ads and in-app purchases 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.
viiiv holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.
viiiv ships an update every 2 months, PowerLab Studio every 6 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | viiiv | PowerLab Studio |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 3 | 3 |
| Update frequency | Every 2 months — better | Every 6 months |
| 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 | 36 MB | 121 MB |
| Age rating | 4+ | 12+ |
| Developer | Less Is More LLC | Sutra Fitness, Inc. |
Customer experience
viiiv
PowerLab Studio
In-app purchases
viiiv
No in-app purchases
PowerLab Studio
No in-app purchases
Questions
Is viiiv free?
Is PowerLab Studio free?
Which has better reviews, viiiv or PowerLab Studio?
Do viiiv or PowerLab Studio have ads?
Which is updated more often, viiiv or PowerLab Studio?
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