# MSDS/TDS Library vs TSS Professionals

The clearest difference is rating: TSS Professionals at 5.0 against MSDS/TDS Library's 1.5. TSS Professionals also leads on update cadence (fortnightly vs every 14 months). On price, ratings volume, 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.

TSS Professionals holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 6 and 4 respectively.

MSDS/TDS Library ships an update every 14 months, TSS Professionals fortnightly. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | MSDS/TDS Library | TSS Professionals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (6 ratings)](https://appshunter.io/ios/app/msdstds-library/id664552609/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/tss-professionals/id6754787662/reviews)** |
| Number of ratings | **6** | 4 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 64 MB | 5 MB |
| Requires iOS | 13.0 | 13 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Akzo Nobel Coatings International B.V.](https://appshunter.io/developer/1167907043) | [Ecom Easy LLC](https://appshunter.io/developer/1845106185) |

## 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


### TSS Professionals

[App page](https://appshunter.io/ios/app/tss-professionals/id6754787662)

This wholesale app provides exclusive access for installers, professional shops, and distributors. It offers discounts, volume pricing, payment terms, and priority shipping. Find products and connect with other professionals.

**Highlights:** Exclusive professional access, Discounts and volume breaks, Optional payment terms, Priority shipping, Installer map

**Features:** macOS Compatibility

**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 TSS Professionals free?

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

### Which has better reviews, MSDS/TDS Library or TSS Professionals?

TSS Professionals is rated higher. MSDS/TDS Library averages 1.5 out of 5 from 6 ratings, while TSS Professionals averages 5.0 from 4 ratings.

### Do MSDS/TDS Library or TSS Professionals have ads?

Neither MSDS/TDS Library nor TSS Professionals shows ads.

### Which is updated more often, MSDS/TDS Library or TSS Professionals?

MSDS/TDS Library ships an update every 14 months, and TSS Professionals fortnightly. Most recently, MSDS/TDS Library was updated on September 28, 2026 and TSS Professionals on October 6, 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.*