# SDS Mobile vs ERG for iOS

The clearest difference is review sentiment: ERG for iOS at 100% against SDS Mobile's 53%. ERG for iOS also leads on rating (4.8 vs 3.6) and monetization model (free vs ad-supported). SDS Mobile's advantage is update cadence (every 3 weeks vs every 4 months). 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.

ERG for iOS holds the better App Store score, 4.8 against 3.6. Both are backed by a comparable volume of ratings — 18 and 65 respectively. Written reviews point the same way: 53% of SDS Mobile's written reviews are positive against 100% of ERG for iOS's.

SDS Mobile ships an update every 3 weeks, ERG for iOS every 4 months. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SDS Mobile | ERG for iOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (18 ratings)](https://appshunter.io/ios/app/sds-mobile/id467738315/reviews) | **[4.8 (65 ratings)](https://appshunter.io/ios/app/erg-for-ios/id1597142669/reviews)** |
| Number of ratings | 18 | **65** |
| Positive reviews | 53.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Ad-supported | **Free** |
| Best chart rank | — | **#132** |
| Size | 101 MB | 27 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [KHA, Online-MSDS](https://appshunter.io/developer/467738319) | [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820) |

## What reviewers say

### SDS Mobile

[App page](https://appshunter.io/ios/app/sds-mobile/id467738315)

Access an extensive database of safety data sheets (SDS) and material safety data sheets (MSDS) on your mobile device. Quickly search for products using barcode scanning, view detailed chemical information, and respond effectively during emergencies. Share SDS documents via various communication channels.

**Highlights:** Access to industry-leading SDS/MSDS database, Barcode scanning for product search, Unlimited SDS viewing and searching, "My Favorites" binder for frequently used SDS, Share SDS via fax, email, text, and social media, GHS-compliant SDS

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

**In-app purchases:** none


### ERG for iOS

[App page](https://appshunter.io/ios/app/erg-for-ios/id1597142669)

**Currently charting:** #132 Top Free · Reference (US App Store)

This app provides first responders with quick access to critical information for hazardous materials transportation incidents. It features an indexed list of dangerous goods, including ID numbers, hazards, and safety precautions, aiding in effective response.

**Highlights:** Indexed list of dangerous goods, ID number lookup, General hazard information, Recommended safety precautions, Multi-language support (English, French, Spanish)

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

**In-app purchases:** none


## Frequently asked questions

### Is SDS Mobile free?

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

### Is ERG for iOS free?

ERG for iOS is free to download, with no in-app purchases.

### Which has better reviews, SDS Mobile or ERG for iOS?

ERG for iOS is rated higher. SDS Mobile averages 3.6 out of 5 from 18 ratings, while ERG for iOS averages 4.8 from 65 ratings.

### Do SDS Mobile or ERG for iOS have ads?

Neither SDS Mobile nor ERG for iOS shows ads.

### Which is updated more often, SDS Mobile or ERG for iOS?

SDS Mobile ships an update every 3 weeks, and ERG for iOS every 4 months. Most recently, SDS Mobile was updated on October 22, 2026 and ERG for iOS on October 21, 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.*