# ChemAlert vs Obzervr Capture

The clearest difference is iOS requirement: Obzervr Capture at 10.3 against ChemAlert's 16.0. 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.

ChemAlert ships an update every 4 months, Obzervr Capture every 2 months. The most recent releases landed on September 19, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ChemAlert | Obzervr Capture |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/chemalert/id427935573/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 106 MB | 174 MB |
| Requires iOS | 16.0 | **10.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Risk Management Technologies Pty Ltd](https://appshunter.io/developer/427935576) | [Obzervr Pty Ltd](https://appshunter.io/developer/1235945513) |

## What reviewers say

### ChemAlert

[App page](https://appshunter.io/ios/app/chemalert/id427935573)

Manage chemical safety data sheets, compliance, and organizational chemical footprints. This mobile app integrates with the main system, allowing users to view and update stock inventory, scan barcodes, and upload pictures on the go. It also offers offline access to SDSs and product information for remote use.

**Highlights:** Manage SDSs and chemical footprint, View and update stock inventory, Scan barcodes and QR codes, Upload product images, Offline SDS access, Real-time hazard and risk insights

**In-app purchases:** none


### Obzervr Capture

[App page](https://appshunter.io/ios/app/obzervr-capture/id1235945514)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChemAlert free?

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

### Is Obzervr Capture free?

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

### Do ChemAlert or Obzervr Capture have ads?

Neither ChemAlert nor Obzervr Capture shows ads.

### Which is updated more often, ChemAlert or Obzervr Capture?

ChemAlert ships an update every 4 months, and Obzervr Capture every 2 months. Most recently, ChemAlert was updated on September 19, 2026 and Obzervr Capture on October 3, 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.*