# Diamond Kinetics vs Launch Quickness

The clearest difference is rating: Launch Quickness at 4.2 against Diamond Kinetics's 3.4. Launch Quickness also leads on review sentiment (58% vs 41%). On price, ratings volume, 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 and Launch Quickness sells 4 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Launch Quickness holds the better App Store score, 4.2 against 3.4. Both are backed by a comparable volume of ratings — 151 and 128 respectively. Written reviews point the same way: 41% of Diamond Kinetics's written reviews are positive against 58% of Launch Quickness's.

Diamond Kinetics ships an update every 2 weeks, Launch Quickness monthly. Both last shipped on September 30, 2026.

## The numbers

| Metric | Diamond Kinetics | Launch Quickness |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (151 ratings)](https://appshunter.io/ios/app/diamond-kinetics/id1604464179/reviews) | **[4.2 (128 ratings)](https://appshunter.io/ios/app/launch-quickness/id6477305821/reviews)** |
| Number of ratings | **151** | 128 |
| Positive reviews | 41.0% of reviews | **57.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 137 MB | 48 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Diamond Kinetics, Inc.](https://appshunter.io/developer/937803817) | [Teacherman Hitting, LLC](https://appshunter.io/developer/1728924004) |

## What reviewers say

### 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


### Launch Quickness

[App page](https://appshunter.io/ios/app/launch-quickness/id6477305821)

Improve your baseball or softball swing timing and reaction time with this app. Track your progress, analyze your performance, and access training videos to enhance batting speed and accuracy. Works with the Propeller Bat for detailed feedback.

**Highlights:** Track swing reaction time, Chart training progress, Analyze batting speed and accuracy, Exclusive training videos, Works with Propeller Bat, Provides performance feedback

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Player: Monthly Subscription | $12.99 | per month |
| Family: Monthly Subscription | $36.99 | per month |
| Player: Yearly Subscription | $129.99 | per year |
| Family: Yearly Subscription | $369.99 | per year |


## Frequently asked questions

### Is Diamond Kinetics free?

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

### Is Launch Quickness free?

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

### Which has better reviews, Diamond Kinetics or Launch Quickness?

Launch Quickness is rated higher. Diamond Kinetics averages 3.4 out of 5 from 151 ratings, while Launch Quickness averages 4.2 from 128 ratings.

### Do Diamond Kinetics or Launch Quickness have ads?

Neither Diamond Kinetics nor Launch Quickness shows ads.

### Which is updated more often, Diamond Kinetics or Launch Quickness?

Diamond Kinetics ships an update every 2 weeks, and Launch Quickness monthly. Most recently, Diamond Kinetics was updated on September 30, 2026 and Launch Quickness on September 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.*