Comparison

EMS.SDS vs US SDS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

EMS.SDS

This application supports chemical safety regulations by providing access to GHS-compliant labels and Safety Data Sheets. It allows users to search a comprehensive database by substance name, vendor, or CAS number, and access information offline.

Highlights
  • GHS-compliant chemical labels
  • Safety Data Sheets (SDS)
  • Searchable chemical database
  • Offline data access
  • Supports GHS regulations
  • Demo mode and free account registration
Features
Read full description

EMS.GHS-SDS is a leading chemical safety software application that is being used to support the requirements of the Globally Harmonized System for the Labeling and Classification of Chemicals (GHS). It helps you find and display GHS compliant chemical labels and Safety Data Sheets for safety and regulatory compliance, even when you're in the field or on-the-go. The rich database provided is searchable by substance name, vendor and CAS number. Existing Chemical Safety EMS users can use the app using their EMS credentials, whereas any user can test the app in demo mode or register for a free account. Retrieved data are stored on the device, so that the required chemical information can be viewed even when the device has no network connectivity.

About

US SDS

Features
Read full description

NOTE: Your organization must be subscribed to the US SDS service for this app to work. The US SDS system is a hosted SaaS system that helps organizations better manage their safety data sheets. Within the app, users can scan QR Codes created in the US SDS system and view and cache safety data sheets for offline use. For organizations using the Health & Safety Education module, user's can scan QR codes to receive safety and training material on products or machinery and complete any required organizational safety passport quizzes.

Screenshots

EMS.SDS4 screens
US SDS3 screens

Verdict

The call

EMS.SDS and US SDS 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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

EMS.SDS ships an update every 6 weeks, US SDS every 2 months. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

ScorecardNo meaningful differences
EMS.SDS versus US SDS: the parameters behind the verdict, then further details
ParameterEMS.SDSUS SDS
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.515.0 — better
Further details — not scored
Size2 MB81 MB
Age rating12+4+
DeveloperSFS Chemical Safety Inc.US SDS INC.

In-app purchases

None

EMS.SDS

No in-app purchases

None

US SDS

No in-app purchases

Questions

Is EMS.SDS free?
EMS.SDS is free to download, with no in-app purchases.
Is US SDS free?
US SDS is free to download, with no in-app purchases.
Do EMS.SDS or US SDS have ads?
Neither EMS.SDS nor US SDS shows ads.
Which is updated more often, EMS.SDS or US SDS?
EMS.SDS ships an update every 6 weeks, and US SDS every 2 months. Most recently, EMS.SDS was updated on October 16, 2026 and US SDS on October 24, 2026.

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