# Spin Lab HQ vs Diamond Hitting

The clearest difference is update cadence: Spin Lab HQ at daily against Diamond Hitting's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Spin Lab HQ ships an update daily, Diamond Hitting every 3 weeks. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Spin Lab HQ | Diamond Hitting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/spin-lab-hq/id6758372701/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | Free | — |
| Size | 32 MB | 9 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Carasiti](https://appshunter.io/developer/1872597940) | [LUCAS TYLER BAQUERO](https://appshunter.io/developer/6785661521) |

## What reviewers say

### Spin Lab HQ

[App page](https://appshunter.io/ios/app/spin-lab-hq/id6758372701)

This app transforms raw baseball data into a comprehensive player development system for pitchers and hitters. It provides detailed analytics on pitch quality, movement, and hitting performance, offering clear benchmarks and targeted improvement plans. Features include 3D spin visualization, command analysis, and performance trend tracking.

**Highlights:** Pitch quality grading (Stuff+, D1 Grade), Detailed pitch metrics (velocity, spin, IVB, etc.), 3D spin axis globe visualization, Command bullseye analysis, Performance trend tracking, Hitter Grade with exit velocity/launch angle charts, Programming calendar for daily development

**Features:** macOS Compatibility

**In-app purchases:** none


### Diamond Hitting

[App page](https://appshunter.io/ios/app/diamond-hitting/id6786881967)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spin Lab HQ free?

Spin Lab HQ is free to download, with no in-app purchases.

### Is Diamond Hitting free?

Diamond Hitting is free to download, with no in-app purchases.

### Do Spin Lab HQ or Diamond Hitting have ads?

Neither Spin Lab HQ nor Diamond Hitting shows ads.

### Which is updated more often, Spin Lab HQ or Diamond Hitting?

Spin Lab HQ ships an update daily, and Diamond Hitting every 3 weeks. Most recently, Spin Lab HQ was updated on October 24, 2026 and Diamond Hitting on October 4, 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.*