# FlexPro Grip vs B.S.F. Performance

The clearest difference is rating: B.S.F. Performance at 5.0 against FlexPro Grip's 4.1. B.S.F. Performance also leads on iOS requirement (13.0 vs 15.1). FlexPro Grip's advantage is update cadence (weekly vs monthly). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

B.S.F. Performance holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 26 and 12 respectively.

FlexPro Grip ships an update weekly, B.S.F. Performance monthly. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | FlexPro Grip | B.S.F. Performance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (26 ratings)](https://appshunter.io/ios/app/flexpro-grip/id1630738994/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/bsf-performance/id6502332840/reviews)** |
| Number of ratings | **26** | 12 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | Free |
| Size | 93 MB | 418 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FlexProGrip](https://appshunter.io/developer/1596885871) | [Bo Jackson's Elite Sports, LLC.](https://appshunter.io/developer/1745046156) |

## What reviewers say

### FlexPro Grip

[App page](https://appshunter.io/ios/app/flexpro-grip/id1630738994)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### B.S.F. Performance

[App page](https://appshunter.io/ios/app/bsf-performance/id6502332840)

This platform offers personalized sports training and tracking to help athletes achieve peak performance. It provides customized routines, workout and habit tracking, nutritional guidance, and direct coach communication.

**Highlights:** Personalized training programs, Workout tracking, Nutritional guidance, Habit tracking, Coach communication, Video exercise demonstrations, Community forums

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FlexPro Grip free?

FlexPro Grip is free to download, with no in-app purchases.

### Is B.S.F. Performance free?

B.S.F. Performance is free to download, with no in-app purchases.

### Which has better reviews, FlexPro Grip or B.S.F. Performance?

B.S.F. Performance is rated higher. FlexPro Grip averages 4.1 out of 5 from 26 ratings, while B.S.F. Performance averages 5.0 from 12 ratings.

### Do FlexPro Grip or B.S.F. Performance have ads?

Neither FlexPro Grip nor B.S.F. Performance shows ads.

### Which is updated more often, FlexPro Grip or B.S.F. Performance?

FlexPro Grip ships an update weekly, and B.S.F. Performance monthly. Most recently, FlexPro Grip was updated on September 26, 2026 and B.S.F. Performance on September 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*