# HazMat Inventory vs RSS Procedures

HazMat Inventory and RSS Procedures are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

HazMat Inventory ships an update every 3 months, RSS Procedures every 6 months. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | HazMat Inventory | RSS Procedures |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | — |
| Size | 17 MB | 16 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [KHA, Online-MSDS](https://appshunter.io/developer/467738319) | [The Regents of the University of California (UCOP)](https://appshunter.io/developer/916274264) |

## What reviewers say

### HazMat Inventory

[App page](https://appshunter.io/ios/app/hazmat-inventory/id974912227)

Streamline hazardous chemical inventory management with photo-based data collection. This app simplifies compliance reporting to authorities by allowing you to capture images of your chemicals and generate a free inventory report. Enhance features with an online SDS account for comprehensive chemical management.

**Highlights:** Photo-based chemical inventory, Barcode scanner, Inventory report download, Compliance reporting, Online SDS integration

**Features:** macOS Compatibility

**In-app purchases:** none


### RSS Procedures

[App page](https://appshunter.io/ios/app/rss-procedures/id1171409277)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HazMat Inventory free?

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

### Is RSS Procedures free?

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

### Do HazMat Inventory or RSS Procedures have ads?

Neither HazMat Inventory nor RSS Procedures shows ads.

### Which is updated more often, HazMat Inventory or RSS Procedures?

HazMat Inventory ships an update every 3 months, and RSS Procedures every 6 months. Most recently, HazMat Inventory was updated on September 10, 2026 and RSS Procedures on September 8, 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.*