# PULSE VB vs Diamond Kinetics

The clearest difference is rating: PULSE VB at 5.0 against Diamond Kinetics's 3.4. PULSE VB also leads on in-app purchases (none vs 4) and device support (3 vs 1). Diamond Kinetics's advantage is ratings volume (151 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Diamond Kinetics sells 4 in-app purchases, starting at $5.99 per month. PULSE VB asks for nothing beyond the download.

PULSE VB holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Diamond Kinetics has 151 ratings behind it against 1, so its average is the more settled of the two.

PULSE VB ships an update every 10 days, Diamond Kinetics every 2 weeks. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PULSE VB | Diamond Kinetics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pulse-vb/id1323372632/reviews)** | [3.4 (151 ratings)](https://appshunter.io/ios/app/diamond-kinetics/id1604464179/reviews) |
| Number of ratings | 1 | **151** |
| Positive reviews | — | 41.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 88 MB | 137 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Driveline Baseball](https://appshunter.io/developer/1513897848) | [Diamond Kinetics](https://appshunter.io/developer/937803817) |

## What reviewers say

### PULSE VB

[App page](https://appshunter.io/ios/app/pulse-vb/id1323372632)

This app monitors your volleyball training by collecting swing biomechanics data from a wrist-worn sensor. It provides daily workload targets to help build arm strength, recover faster, and manage fatigue for optimal performance on the court.

**Highlights:** Wearable sensor for swing biomechanics, Daily workload targets, Arm strength building, Faster recovery, Fatigue management, Tailored training programs

**Features:** macOS Compatibility

**In-app purchases:** none


### Diamond Kinetics

[App page](https://appshunter.io/ios/app/diamond-kinetics/id1604464179)

Improve your baseball or softball swing with this app. It offers virtual hitting experiences, swing analysis, and interactive MLB-themed games. Enhance your performance with real-time metrics and personalized feedback.

**Highlights:** Smart Motion Technology for virtual hitting, Diamond Decisions Highlight Arcade, MLB SwingMatch for mechanic comparison, MLB PLAY BALL Challenges & Lessons, Real-time swing metrics with bat sensor, Personalized Swing Score, Interactive hitting games

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DK+ Monthly | $5.99 | per month |
| Smart Bat Monthly | $5.99 | per month |
| DK+ Yearly | $59.99 | per year |
| Smart Bat Yearly | $59.99 | per year |

**What reviewers like**

- 🎮 Engaging games and challenges motivate practice
- ⚾ MLB player lessons and content appeal to kids
- 🏆 Leaderboards and prizes incentivize swings
- 📊 Swing metrics and feedback help improvement
- 👨‍👧‍👦 Gets kids excited to practice outside

**What reviewers complain about**

- 🐛 Frequent connectivity and pairing issues
- 🐛 App crashes and freezes regularly
- 📉 Removed advanced swing analysis features
- ❌ Lost 3D swing path visualization
- ⚠️ Inaccurate distance measurements

**Reported bugs**

- Sensor won't connect to app after firmware update
- Bluetooth pairing fails across multiple devices
- App crashes when selecting bat
- Activation code doesn't work
- Battery dies within 2 minutes

**Requested features**

- Restore 3D swing path visualization
- View individual session history and data
- Multiple metrics displayed simultaneously
- Swing-to-swing comparison and analysis
- Spreadsheet or graph of historical metrics


## Frequently asked questions

### Is PULSE VB free?

PULSE VB is free to download, with no in-app purchases.

### Is Diamond Kinetics free?

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

### Which has better reviews, PULSE VB or Diamond Kinetics?

PULSE VB is rated higher. PULSE VB averages 5.0 out of 5 from 1 ratings, while Diamond Kinetics averages 3.4 from 151 ratings.

### Do PULSE VB or Diamond Kinetics have ads?

Neither PULSE VB nor Diamond Kinetics shows ads.

### Which is updated more often, PULSE VB or Diamond Kinetics?

PULSE VB ships an update every 10 days, and Diamond Kinetics every 2 weeks. Most recently, PULSE VB was updated on September 28, 2026 and Diamond Kinetics on September 17, 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.*