# isi!! Hazardous Management vs work4all Web

The clearest difference is update cadence: work4all Web at every 3 weeks against isi!! Hazardous Management's every 2 months. isi!! Hazardous Management's advantage is iOS requirement (13.0 vs 15.0). 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.

isi!! Hazardous Management ships an update every 2 months, work4all Web every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | isi!! Hazardous Management | work4all Web |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 33 MB | 52 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adolf Würth GmbH & Co. KG](https://appshunter.io/developer/391713520) | [work4all GmbH](https://appshunter.io/developer/695113449) |

## What reviewers say

### isi!! Hazardous Management

[App page](https://appshunter.io/ios/app/isi-hazardous-management/id1139112741)

Access legally required safety documents like data sheets and manuals on your smartphone or tablet. Manage your data online to use the app's full offline capabilities and simplify compliance with regulations.

**Highlights:** Offline document access, Online data management, Safety data sheets, Manuals, Legal compliance tool, Mobile access

**Features:** macOS Compatibility

**In-app purchases:** none


### work4all Web

[App page](https://appshunter.io/ios/app/work4all-web/id6444345057)

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

**In-app purchases:** none


## Frequently asked questions

### Is isi!! Hazardous Management free?

isi!! Hazardous Management is free to download, with no in-app purchases.

### Is work4all Web free?

work4all Web is free to download, with no in-app purchases.

### Do isi!! Hazardous Management or work4all Web have ads?

Neither isi!! Hazardous Management nor work4all Web shows ads.

### Which is updated more often, isi!! Hazardous Management or work4all Web?

isi!! Hazardous Management ships an update every 2 months, and work4all Web every 3 weeks. Most recently, isi!! Hazardous Management was updated on November 2, 2026 and work4all Web on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*