Comparison

Muscle View 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

Muscle View

Visualize muscle activation levels in real-time using wearable EMG sensors. Track and export session data with audio and haptic biofeedback. Connect up to six devices simultaneously for comprehensive analysis.

Highlights
  • Real-time EMG readings
  • Bar and chart visualization
  • Session data logging
  • Audio and haptic biofeedback
  • Supports up to 6 devices
  • Bluetooth connectivity
Features
Read full description

Display EMG reading (muscle activation level) from M40 Muscle Sense wearable EMG muscle sensors by ANR Corp. Uses Bluetooth for device connections. Displays realtime values, bars and charts. Datalog entire sessions for viewing and export. Audio and haptic biofeedback. Supports up to 6 devices simultaneously.

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

Muscle View3 screens
FlexPro Grip3 screens

Verdict

The call

The clearest difference is rating: Muscle View at 5.0 against FlexPro Grip's 4.1. Muscle View also leads on review sentiment (100% vs 67%). FlexPro Grip's advantage is update cadence (weekly vs every 3 months) and ratings volume (27 vs 3). 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

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

Muscle View holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: FlexPro Grip has 27 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Muscle View's written reviews are positive against 67% of FlexPro Grip's.

UpkeepUpdate frequency

Muscle View ships an update every 3 months, FlexPro Grip weekly. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
Muscle View versus FlexPro Grip: the parameters behind the verdict, then further details
ParameterMuscle ViewFlexPro Grip
PriceFreeFree
Rating5.0 (3 ratings) — better4.1 (27 ratings)
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings327 — better
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size4 MB93 MB
Age rating9+4+
DeveloperApplied Neural Research CorpFlexProGrip

Customer experience

Muscle View

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

FlexPro Grip

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

In-app purchases

None

Muscle View

No in-app purchases

None

FlexPro Grip

No in-app purchases

Questions

Is Muscle View free?
Muscle View 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, Muscle View or FlexPro Grip?
Muscle View is rated higher. Muscle View averages 5.0 out of 5 from 3 ratings, while FlexPro Grip averages 4.1 from 27 ratings.
Do Muscle View or FlexPro Grip have ads?
Neither Muscle View nor FlexPro Grip shows ads.
Which is updated more often, Muscle View or FlexPro Grip?
Muscle View ships an update every 3 months, and FlexPro Grip weekly. Most recently, Muscle View was updated on October 13, 2026 and FlexPro Grip on October 12, 2026.

Other comparisons