# Protimeter Connect vs EHS Compliance Hub

The clearest difference is in-app purchases: Protimeter Connect at none against EHS Compliance Hub's 1. Protimeter Connect also leads on iOS requirement (13.0 vs 15.0). EHS Compliance Hub's advantage is update cadence (fortnightly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. EHS Compliance Hub sells 1 one-off in-app purchase. Protimeter Connect asks for nothing beyond the download.

Protimeter Connect ships an update monthly, EHS Compliance Hub fortnightly. The most recent releases landed on September 25, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Protimeter Connect | EHS Compliance Hub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protimeter-connect/id1572286168/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 77 MB | 21 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Amphenol-Sensors](https://appshunter.io/developer/1086146573) | [Atmospheric Integrity Management, LLC](https://appshunter.io/developer/6778174954) |

## What reviewers say

### Protimeter Connect

[App page](https://appshunter.io/ios/app/protimeter-connect/id1572286168)

Connect to Protimeter devices to collect and monitor environmental data like moisture, humidity, and temperature. The application allows for continuous data reception and mode adjustments once paired.

**Highlights:** Connect to Protimeter devices, Collect moisture content data, Monitor Relative Humidity, Track Temperature, Continuous data reception, Adjust device modes

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

**In-app purchases:** none


### EHS Compliance Hub

[App page](https://appshunter.io/ios/app/ehs-compliance-hub/id6784843895)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hub Pro — 30 Days | $9.99 | one-time |


## Frequently asked questions

### Is Protimeter Connect free?

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

### Is EHS Compliance Hub free?

EHS Compliance Hub is free to download, with in-app purchases available.

### Do Protimeter Connect or EHS Compliance Hub have ads?

Neither Protimeter Connect nor EHS Compliance Hub shows ads.

### Which is updated more often, Protimeter Connect or EHS Compliance Hub?

Protimeter Connect ships an update monthly, and EHS Compliance Hub fortnightly. Most recently, Protimeter Connect was updated on September 25, 2026 and EHS Compliance Hub on September 26, 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.*