# b4 vs VRC Tracker

The clearest difference is rating: VRC Tracker at 5.0 against b4's 4.2. VRC Tracker also leads on in-app purchases (none vs 4) and review sentiment (100% vs 79%). b4's advantage is ratings volume (152 vs 15). On price, ads and device support there is nothing between them.

Both are free to download. b4 sells 4 in-app purchases, starting at $3.99 per month. VRC Tracker asks for nothing beyond the download.

VRC Tracker holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: b4 has 152 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 79% of b4's written reviews are positive against 100% of VRC Tracker's.

b4 ships an update every 3 weeks, VRC Tracker every 9 days. The most recent releases landed on November 12, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | b4 | VRC Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (152 ratings)](https://appshunter.io/ios/app/b4-app-ai-batting-partner/id1612791859/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/vrc-tracker/id6444232048/reviews)** |
| Number of ratings | **152** | 15 |
| Positive reviews | 79.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 212 MB | 32 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KeepTossingLab](https://appshunter.io/developer/1538261019) | [Blake Haug](https://appshunter.io/developer/1653261268) |

## What reviewers say

### b4

[App page](https://appshunter.io/ios/app/b4-app-ai-batting-partner/id1612791859)

Analyze your baseball batting performance with advanced metrics and biomechanics. Get real-time feedback, track progress with slow-motion videos, and simulate pitches to improve timing. Developed with Major League players, it offers comprehensive swing analysis for all skill levels.

**Highlights:** Comprehensive swing analysis, Exit velocity and launch angle tracking, Bat path visualization, Real-time playback and analytics, Immersive pitch simulation, AI-driven performance reports

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Essential Plan | $3.99 | per month |
| Premium Plan | $14.99 | per month |
| Essential Plan | $39.99 | per year |
| Premium Plan | $149.99 | per year |

**What reviewers like**

- ✅ Accurate exit velocity readings matching professional equipment
- 📊 Real-time swing analysis and biomechanics feedback
- 🎯 Launch angle tracking is precise and reliable
- 👨‍👧‍👦 Suitable for all ages and skill levels
- 🏋️ Effective tool for identifying and fixing swing weaknesses

**What reviewers complain about**

- 🐛 Inconsistent exit velocity readings (off by ±15%)
- 🐛 Intermittent detection failures after initial readings
- ❌ Login and authentication issues preventing app access
- ⚠️ Temperature sensitivity affecting accuracy above 80°F
- 🔧 Unreliable setup requiring multiple attempts

**Reported bugs**

- Exit velocity readings fail after first swing
- Login fails repeatedly even after reinstalling app
- App stops providing readings mid-session
- Inaccurate measurements in certain temperature conditions
- Setup configuration not recognized despite proper calibration

**Requested features**

- Distance tracking in feet for hit balls
- More in-depth analytics and statistics
- Support for older iPhone models
- Enhanced data visualization and reporting


### VRC Tracker

[App page](https://appshunter.io/ios/app/vrc-tracker/id6444232048)

This app provides real-time statistics for VEX Robotics Competitions, including team rankings, match details, and scores. It offers a comprehensive overview of live competition data to keep users informed. Please note that this is an unofficial application and should not replace official VEX resources.

**Highlights:** Live competition rankings, Live match data and scores, Team organization and competition history, Real-time data display

**In-app purchases:** none


## Frequently asked questions

### Is b4 free?

b4 is free to download, with in-app purchases available.

### Is VRC Tracker free?

VRC Tracker is free to download, with no in-app purchases.

### Which has better reviews, b4 or VRC Tracker?

VRC Tracker is rated higher. b4 averages 4.2 out of 5 from 152 ratings, while VRC Tracker averages 5.0 from 15 ratings.

### Do b4 or VRC Tracker have ads?

Neither b4 nor VRC Tracker shows ads.

### Which is updated more often, b4 or VRC Tracker?

b4 ships an update every 3 weeks, and VRC Tracker every 9 days. Most recently, b4 was updated on November 12, 2026 and VRC Tracker on November 3, 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.*