Comparison

ProplayAI vs FlexPro Grip

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ProplayAI

Capture biomechanical data from your smartphone to analyze pitching movements. Generate 3D diagrams to compare pitchers, identify areas for improvement, and design targeted drills. Use in-game footage to track progress and understand performance.

Highlights
  • Smartphone biomechanical data capture
  • 3D pitcher comparison diagrams
  • Movement optimization drills
  • In-game footage analysis
  • Fatigue and performance identification
Features
Read full description

ProPlay was founded by a group of scientists and innovators interested in making the capture of biomechanical data easier and more accessible. Collect Capture data directly from your smartphone with the easy to use PitchAI interface. Compare Generate 3D diagrams to easily compare between any two pitchers - find out how the best performing, and learn to optimize your movements. Correct Design drills targeted at optimizing your movement efficiency. Use PitchAI to continuously compare your results as you progress in your training. Compete Because there is no need for sensors or lab technology, capture in-game footage - use this to help identify fatigue, pitch tipping, or why that 95mph fastball felt so good.

About

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.

Highlights
  • Customized training protocols
  • Strength, endurance, and RPD testing
  • Objective data measurements
  • Injury risk reduction
  • Performance enhancement
  • Workout history tracking
Features
Read full description

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

ProplayAI4 screens
FlexPro Grip3 screens

Verdict

The call

The clearest difference is review sentiment: FlexPro Grip at 67% against ProplayAI's 15%. FlexPro Grip also leads on rating (4.1 vs 2.6) and update cadence (weekly vs every 5 weeks). ProplayAI's advantage is iOS requirement (12.0 vs 15.1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

FlexPro Grip holds the better App Store score, 4.1 against 2.6. Both are backed by a comparable volume of ratings — 41 and 27 respectively. Written reviews point the same way: 15% of ProplayAI's written reviews are positive against 67% of FlexPro Grip's.

UpkeepUpdate frequency

ProplayAI ships an update every 5 weeks, FlexPro Grip weekly. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
ProplayAI versus FlexPro Grip: the parameters behind the verdict, then further details
ParameterProplayAIFlexPro Grip
PriceFreeFree
Rating2.6 (41 ratings)4.1 (27 ratings) — better
Positive reviews15.0% of reviews66.7% of reviews — better
Number of ratings41 — better27
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size30 MB93 MB
Age rating4+4+
Developer3MotionAI Inc.FlexProGrip

Customer experience

ProplayAI

All ratings39 ratings
Positive35.9%
Neutral5.1%
Negative59.0%
Written reviews20 reviews
Positive15.0%
Neutral5.0%
Negative80.0%

FlexPro Grip

All ratings27 ratings
Positive77.8%
Neutral0.0%
Negative22.2%
Written reviews9 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

ProplayAI

No in-app purchases

None

FlexPro Grip

No in-app purchases

Questions

Is ProplayAI free?
ProplayAI is free to download, with no in-app purchases.
Is FlexPro Grip free?
FlexPro Grip is free to download, with no in-app purchases.
Which has better reviews, ProplayAI or FlexPro Grip?
FlexPro Grip is rated higher. ProplayAI averages 2.6 out of 5 from 41 ratings, while FlexPro Grip averages 4.1 from 27 ratings.
Do ProplayAI or FlexPro Grip have ads?
Neither ProplayAI nor FlexPro Grip shows ads.
Which is updated more often, ProplayAI or FlexPro Grip?
ProplayAI ships an update every 5 weeks, and FlexPro Grip weekly. Most recently, ProplayAI was updated on October 15, 2026 and FlexPro Grip on October 12, 2026.

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