# S1 Pit Crew™ vs SpineRef

S1 Pit Crew™ and SpineRef are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

S1 Pit Crew™ ships an update every 6 days, SpineRef every 10 days. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | S1 Pit Crew™ | SpineRef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/s1-pit-crew/id6749035277/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 10 days |
| Monetization | Free | — |
| Size | 27 MB | 61 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [S1 pit crew, Inc.](https://appshunter.io/developer/1828573091) | [Platform.AI Inc](https://appshunter.io/developer/1895482359) |

## What reviewers say

### S1 Pit Crew™

[App page](https://appshunter.io/ios/app/s1-pit-crew/id6749035277)

This app streamlines surgical turnover workflows by enabling real-time team coordination and timing. It helps operating room teams track and optimize room turnovers between procedures, enhancing efficiency.

**Highlights:** Real-time turnover timing and tracking, Role-based team coordination, Automated alerts and notifications, Cross-device synchronization, Performance analytics and insights

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

**In-app purchases:** none


### SpineRef

[App page](https://appshunter.io/ios/app/spineref/id6777927922)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S1 Pit Crew™ free?

S1 Pit Crew™ is free to download, with no in-app purchases.

### Is SpineRef free?

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

### Do S1 Pit Crew™ or SpineRef have ads?

Neither S1 Pit Crew™ nor SpineRef shows ads.

### Which is updated more often, S1 Pit Crew™ or SpineRef?

S1 Pit Crew™ ships an update every 6 days, and SpineRef every 10 days. Most recently, S1 Pit Crew™ was updated on October 10, 2026 and SpineRef on October 12, 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.*