# MSDS/TDS Library vs EMS.SDS

The clearest difference is review sentiment: EMS.SDS at 50% against MSDS/TDS Library's 0%. EMS.SDS also leads on rating (5.0 vs 1.5) and update cadence (every 6 weeks vs every 14 months). MSDS/TDS Library's advantage is ratings volume (6 vs 1) and iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

EMS.SDS holds the better App Store score, 5.0 against 1.5. That said, the two scores are not equally well evidenced: MSDS/TDS Library has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of MSDS/TDS Library's written reviews are positive against 50% of EMS.SDS's.

MSDS/TDS Library ships an update every 14 months, EMS.SDS every 6 weeks. The most recent releases landed on September 28, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | MSDS/TDS Library | EMS.SDS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (6 ratings)](https://appshunter.io/ios/app/msdstds-library/id664552609/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/emssds-ghs/id791136923/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 64 MB | 2 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Akzo Nobel Coatings International B.V.](https://appshunter.io/developer/1167907043) | [SFS Chemical Safety Inc.](https://appshunter.io/developer/521270523) |

## What reviewers say

### MSDS/TDS Library

[App page](https://appshunter.io/ios/app/msdstds-library/id664552609)

Access product safety and technical data sheets for automotive and aerospace coatings. Search by category and name, view documents online, or save them for offline access. Available on mobile devices.

**Highlights:** Search by product category, Search by product name, View documents online, Save documents to archive, Offline document access, Available on mobile and tablet

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is MSDS/TDS Library free?

MSDS/TDS Library is free to download, with no in-app purchases.

### Is EMS.SDS free?

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

### Which has better reviews, MSDS/TDS Library or EMS.SDS?

EMS.SDS is rated higher. MSDS/TDS Library averages 1.5 out of 5 from 6 ratings, while EMS.SDS averages 5.0 from 1 ratings.

### Do MSDS/TDS Library or EMS.SDS have ads?

Neither MSDS/TDS Library nor EMS.SDS shows ads.

### Which is updated more often, MSDS/TDS Library or EMS.SDS?

MSDS/TDS Library ships an update every 14 months, and EMS.SDS every 6 weeks. Most recently, MSDS/TDS Library was updated on September 28, 2026 and EMS.SDS on October 16, 2026.

---

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