# EMS.SDS vs Varidyn

The clearest difference is iOS requirement: Varidyn at 13.0 against EMS.SDS's 15.5. 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.

## The numbers

| Metric | EMS.SDS | Varidyn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/emssds-ghs/id791136923/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 2 MB | 3 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [SFS Chemical Safety Inc.](https://appshunter.io/developer/521270523) | [AHG Incorporated](https://appshunter.io/developer/472106734) |

## What reviewers say

### EMS.SDS

[App page](https://appshunter.io/ios/app/emssds-ghs/id791136923)

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:** Vision Pro support

**In-app purchases:** none


### Varidyn

[App page](https://appshunter.io/ios/app/varidyn/id6758736186)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EMS.SDS free?

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

### Is Varidyn free?

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

### Do EMS.SDS or Varidyn have ads?

Neither EMS.SDS nor Varidyn shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*