# Sentinel Pro vs LaboratoryMonitoring

The clearest difference is iOS requirement: LaboratoryMonitoring at 9.0 against Sentinel Pro's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Sentinel Pro ships an update every 3 weeks, LaboratoryMonitoring monthly. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Sentinel Pro | LaboratoryMonitoring |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 3 MB | 28 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ben Software Ltd](https://appshunter.io/developer/1142125927) | [Wuhan Huchuang Technology Co., Ltd.](https://appshunter.io/developer/1221193605) |

## What reviewers say

### Sentinel Pro

[App page](https://appshunter.io/ios/app/sentinel-pro/id1581444500)

**Features:** macOS Compatibility

**In-app purchases:** none


### LaboratoryMonitoring

[App page](https://appshunter.io/ios/app/laboratorymonitoring/id6447594996)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentinel Pro free?

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

### Is LaboratoryMonitoring free?

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

### Do Sentinel Pro or LaboratoryMonitoring have ads?

Neither Sentinel Pro nor LaboratoryMonitoring shows ads.

### Which is updated more often, Sentinel Pro or LaboratoryMonitoring?

Sentinel Pro ships an update every 3 weeks, and LaboratoryMonitoring monthly. Most recently, Sentinel Pro was updated on September 21, 2026 and LaboratoryMonitoring on September 17, 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.*