# EHS Seminar vs EHS Compliance Hub

The clearest difference is in-app purchases: EHS Seminar at none against EHS Compliance Hub's 1. On price, update cadence, ads and device support there is nothing between them.

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

EHS Seminar ships an update weekly, EHS Compliance Hub fortnightly. The most recent releases landed on September 30, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | EHS Seminar | EHS Compliance Hub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 37 MB | 21 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QMS Services Inc](https://appshunter.io/developer/706354892) | [Atmospheric Integrity Management, LLC](https://appshunter.io/developer/6778174954) |

## What reviewers say

### EHS Seminar

[App page](https://appshunter.io/ios/app/ehs-seminar/id6744416574)

**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 EHS Seminar free?

EHS Seminar 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 EHS Seminar or EHS Compliance Hub have ads?

Neither EHS Seminar nor EHS Compliance Hub shows ads.

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

EHS Seminar ships an update weekly, and EHS Compliance Hub fortnightly. Most recently, EHS Seminar was updated on September 30, 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.*