Proteus Motion vs FlexPro Grip
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Proteus Motion
This app provides advanced performance training and recovery analytics. It enables low-impact, high-efficiency 3D resistance training. A Proteus System user account is required to use the app.
- Performance training analytics
- Recovery analytics
- 3D resistance training
- High efficiency training
- Low-impact training
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Proteus Motion is leading the reinvention of performance training and recovery. The Proteus System delivers breakthrough analytics and first-ever 3D resistance training for high efficiency, low-impact training. NOTE: This app requires an active user account with the Proteus System.
FlexPro Grip
This app works with a specialized device to create customized training programs for baseball pitchers. It measures baseline strength and endurance to improve pitching performance, reduce injury risk, and accelerate recovery. Track your progress with saved workout history.
- Customized training protocols
- Strength, endurance, and RPD testing
- Objective data measurements
- Injury risk reduction
- Performance enhancement
- Workout history tracking
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OVERVIEW: The FlexPro Grip app is to be used along with the FlexPro Grip device. Designed primarily for baseball pitchers, the FlexPro Grip app provides customized training protocols to be performed on the FlexPro Grip device to improve the strength, endurance and explosiveness of the muscles and tendons from your fingertips through your elbow that most impact pitching performance. There is no guesswork. All data measurements are objective. The result: reduce the chance of tearing your UCL improve your spin rate increase your pitch movement throw harder enhance your command last longer in games recover faster after you throw accelerate your rehab if you are recovering from a UCL injury / forearm strain HOW APP WORKS: The app first guides you through a Strength, Endurance, and / or Rate of Force Development test to measure your baseline levels. Then, the app prescribes you with customized training protocols that specify the amount of force to apply, hold times, and the number of sets, reps, exercises to perform to help you make rapid gains in both your health and pitching performance. All workouts are saved to your History so you can track your progress at any time. NO MEDICAL ADVICE: The protocols are intended to provide recommendations but do not constitute medical advice. As with any form of sports or physical training, seek professional medical advice prior to initiating use.
Screenshots
Verdict
The clearest difference is review sentiment: FlexPro Grip at 67% against Proteus Motion's 0%. FlexPro Grip also leads on rating (4.1 vs 3.0) and update cadence (weekly vs every 6 months). On price, ads, in-app purchases and monetization model 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.
FlexPro Grip holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: FlexPro Grip has 26 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Proteus Motion's written reviews are positive against 67% of FlexPro Grip's.
Proteus Motion ships an update every 6 months, FlexPro Grip weekly. Both last shipped on September 10, 2026.
| Parameter | Proteus Motion | FlexPro Grip |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 4.1 (26 ratings) — better |
| Positive reviews | 0.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 2 | 26 — better |
| Update frequency | Every 6 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 38 MB | 93 MB |
| Age rating | 4+ | 4+ |
| Developer | Proteus Motion Inc. | FlexProGrip |
Customer experience
Proteus Motion
FlexPro Grip
In-app purchases
Proteus Motion
No in-app purchases
FlexPro Grip
No in-app purchases
Questions
Is Proteus Motion free?
Is FlexPro Grip free?
Which has better reviews, Proteus Motion or FlexPro Grip?
Do Proteus Motion or FlexPro Grip have ads?
Which is updated more often, Proteus Motion or FlexPro Grip?
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