# Spin Lab HQ vs Reactr

The clearest difference is device support: Spin Lab HQ at 2 against Reactr's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Spin Lab HQ | Reactr |
| --- | --- | --- |
| 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 | — |
| Update frequency | Daily | — |
| Monetization | Free | — |
| Size | 32 MB | 1 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Carasiti](https://appshunter.io/developer/1872597940) | [Adam Joseph](https://appshunter.io/developer/1882692754) |

## 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


### Reactr

[App page](https://appshunter.io/ios/app/reactr-pitch-speed-converter/id6760679596)

**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 Reactr free?

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

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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.*