# Global Laboratories vs Guard Shift Pro

The clearest difference is update cadence: Guard Shift Pro at every 3 days against Global Laboratories's every 4 months. Global Laboratories's advantage is iOS requirement (12.0 vs 15.1). 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.

Global Laboratories ships an update every 4 months, Guard Shift Pro every 3 days. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Global Laboratories | Guard Shift Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 23 MB | 46 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [GLOBAL LABORATORIES INC](https://appshunter.io/developer/1194913433) | [Rent-A-Guard](https://appshunter.io/developer/1895510356) |

## What reviewers say

### Global Laboratories

[App page](https://appshunter.io/ios/app/global-laboratories/id1194913434)

**Features:** macOS Compatibility

**In-app purchases:** none


### Guard Shift Pro

[App page](https://appshunter.io/ios/app/guard-shift-pro/id6763824778)

This app helps event and pool staff manage their work schedules directly from their phones. Team members can view and claim available shifts, manage assignments, and clock in/out on-site. It streamlines communication and organization for seamless event staffing.

**Highlights:** View and claim available shifts, Manage upcoming assignments, Receive company updates, Trade shifts with teammates, Access event details, Clock in and out on-site

**In-app purchases:** none


## Frequently asked questions

### Is Global Laboratories free?

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

### Is Guard Shift Pro free?

Guard Shift Pro is free to download, with no in-app purchases.

### Do Global Laboratories or Guard Shift Pro have ads?

Neither Global Laboratories nor Guard Shift Pro shows ads.

### Which is updated more often, Global Laboratories or Guard Shift Pro?

Global Laboratories ships an update every 4 months, and Guard Shift Pro every 3 days. Most recently, Global Laboratories was updated on October 12, 2026 and Guard Shift Pro on October 2, 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.*