# b4 vs AthXcel

The clearest difference is rating: AthXcel at 4.7 against b4's 4.2. AthXcel also leads on update cadence (every 9 days vs every 3 weeks). b4's advantage is ratings volume (152 vs 20). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. b4 sells 4 in-app purchases, starting at $3.99 per month and AthXcel sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

AthXcel holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: b4 has 152 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 81% of b4's written reviews are positive against 87% of AthXcel's.

b4 ships an update every 3 weeks, AthXcel every 9 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | b4 | AthXcel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (152 ratings)](https://appshunter.io/ios/app/b4-app-ai-batting-partner/id1612791859/reviews) | **[4.7 (20 ratings)](https://appshunter.io/ios/app/athxcel/id6735570681/reviews)** |
| Number of ratings | **152** | 20 |
| Positive reviews | 80.6% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 222 MB | 54 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KeepTossingLab](https://appshunter.io/developer/1538261019) | [Locker Room Central](https://appshunter.io/developer/1771491606) |

## What reviewers say

### b4

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

Enhance your baseball batting with advanced AI analysis. Track key metrics like exit velocity and launch angle, analyze biomechanics, and receive real-time feedback. Improve your swing and performance with detailed reports and video playback.

**Highlights:** Comprehensive swing analysis, Exit velocity and launch angle tracking, Bat contact point analysis, 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


### AthXcel

[App page](https://appshunter.io/ios/app/athxcel/id6735570681)

This virtual sports coach helps athletes aged 13+ train smarter and perform better. It offers personalized, sport-specific training plans, progress tracking, and AI-powered video analysis to help users achieve their competitive goals.

**Highlights:** Individual assessments for customized plans, Personalized weekly workouts, Progress tracking with data insights, AI-powered video analysis (coming soon), Multi-sport support, Strength, speed, recovery, and mobility training

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AthXcel Monthly Subscription | $9.99 | per month |


## Frequently asked questions

### Is b4 free?

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

### Is AthXcel free?

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

### Which has better reviews, b4 or AthXcel?

AthXcel is rated higher. b4 averages 4.2 out of 5 from 152 ratings, while AthXcel averages 4.7 from 20 ratings.

### Do b4 or AthXcel have ads?

Neither b4 nor AthXcel shows ads.

### Which is updated more often, b4 or AthXcel?

b4 ships an update every 3 weeks, and AthXcel every 9 days. Most recently, b4 was updated on November 3, 2026 and AthXcel on October 30, 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.*