# PULSE throw vs Spin Lab HQ

The clearest difference is rating: Spin Lab HQ at 5.0 against PULSE throw's 4.5. Spin Lab HQ also leads on update cadence (every 3 days vs every 4 weeks). PULSE throw's advantage is ratings volume (23 vs 2). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: PULSE throw has 23 ratings behind it against 2, so its average is the more settled of the two.

PULSE throw ships an update every 4 weeks, Spin Lab HQ every 3 days. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | PULSE throw | Spin Lab HQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (23 ratings)](https://appshunter.io/ios/app/pulse-throw/id1029619857/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spin-lab-hq/id6758372701/reviews)** |
| Number of ratings | **23** | 2 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 100 MB | 32 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Driveline Baseball](https://appshunter.io/developer/1513897848) | [Matthew Carasiti](https://appshunter.io/developer/1872597940) |

## What reviewers say

### PULSE throw

[App page](https://appshunter.io/ios/app/pulse-throw/id1029619857)

This app monitors throwing biomechanics and workload to help athletes build arm strength and recover faster. It provides daily targets based on individual mechanics and history, moving beyond simple pitch counts to optimize training and manage fatigue.

**Highlights:** Wearable forearm sensor, Biomechanics data collection, Daily workload targets, Arm strength building, Faster recovery, Fatigue management

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is PULSE throw free?

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

### Is Spin Lab HQ free?

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

### Which has better reviews, PULSE throw or Spin Lab HQ?

Spin Lab HQ is rated higher. PULSE throw averages 4.5 out of 5 from 23 ratings, while Spin Lab HQ averages 5.0 from 2 ratings.

### Do PULSE throw or Spin Lab HQ have ads?

Neither PULSE throw nor Spin Lab HQ shows ads.

### Which is updated more often, PULSE throw or Spin Lab HQ?

PULSE throw ships an update every 4 weeks, and Spin Lab HQ every 3 days. Most recently, PULSE throw was updated on September 17, 2026 and Spin Lab HQ on September 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*