# Mobile REMM vs Chemical Safety Data Sheets

The clearest difference is rating: Chemical Safety Data Sheets at 4.3 against Mobile REMM's 3.4. Chemical Safety Data Sheets also leads on review sentiment (91% vs 67%) and ratings volume (156 vs 5). 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.

Chemical Safety Data Sheets holds the better App Store score, 4.3 against 3.4. That said, the two scores are not equally well evidenced: Chemical Safety Data Sheets has 156 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 67% of Mobile REMM's written reviews are positive against 91% of Chemical Safety Data Sheets's.

Mobile REMM ships an update every 4 months, Chemical Safety Data Sheets every 3 months. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Mobile REMM | Chemical Safety Data Sheets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/mobile-remm/id372600451/reviews) | **[4.3 (156 ratings)](https://appshunter.io/ios/app/chemical-safety-data-sheets-icsc/id405208132/reviews)** |
| Number of ratings | 5 | **156** |
| Positive reviews | 66.7% of reviews | **90.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 8 MB | 44 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Assistant Secretary for Preparedness and Response](https://appshunter.io/developer/1573415809) | [ThatsMyStapler Inc.](https://appshunter.io/developer/337472637) |

## What reviewers say

### Mobile REMM

[App page](https://appshunter.io/ios/app/mobile-remm/id372600451)

Provides guidance for healthcare providers on the clinical diagnosis and treatment of radiation injury. Offers downloadable information, patient management algorithms, dose estimators, and triage tools for radiological and nuclear emergencies.

**Highlights:** Clinical diagnosis and treatment guidance, Radiation injury management algorithms, Dose estimator for radiation exposure, Adult and pediatric triage tools, Information on isotopes of interest, Radiation countermeasures, Emergency contact information

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

**In-app purchases:** none


### Chemical Safety Data Sheets

[App page](https://appshunter.io/ios/app/chemical-safety-data-sheets-icsc/id405208132)

Access concise, standardized safety summaries for chemicals, ideal for workers and employers. This app provides essential health and safety information in an easy-to-review, two-page format, serving as a valuable supplement or alternative to lengthy MSDS documents.

**Highlights:** Two-page chemical safety summaries, Searchable chemical list (Name, CAS#, RTECS#), Saved history of viewed chemicals, Mark and view favorite chemicals, Filters for specific chemical types, Offline access, Email and AirPrint capabilities

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Highly useful for field work
- 👍 Accurate and useful
- 👍 Excellent resource
- 👍 Handy and informative
- 👍 Helpful app

**What reviewers complain about**

- 🐛 Unable to locate several items we strore
- 🐛 Needs an update
- 🐛 Good information, print function does not work
- 🐛 Not actual safety data sheet as per global harmonization, inaccurate safety information, no PPE information
- 🐛 No NSN Search!

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Favorites list
- Updated chemical list
- NFPA diamond
- Direct link to suppliers of hazardous substances
- Dark mode option


## Frequently asked questions

### Is Mobile REMM free?

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

### Is Chemical Safety Data Sheets free?

Chemical Safety Data Sheets is free to download, with no in-app purchases.

### Which has better reviews, Mobile REMM or Chemical Safety Data Sheets?

Chemical Safety Data Sheets is rated higher. Mobile REMM averages 3.4 out of 5 from 5 ratings, while Chemical Safety Data Sheets averages 4.3 from 156 ratings.

### Do Mobile REMM or Chemical Safety Data Sheets have ads?

Neither Mobile REMM nor Chemical Safety Data Sheets shows ads.

### Which is updated more often, Mobile REMM or Chemical Safety Data Sheets?

Mobile REMM ships an update every 4 months, and Chemical Safety Data Sheets every 3 months. Most recently, Mobile REMM was updated on November 1, 2026 and Chemical Safety Data Sheets on November 10, 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.*