# MSDS/TDS Library vs SiteAuditOS

The clearest difference is in-app purchases: MSDS/TDS Library at none against SiteAuditOS's 4. MSDS/TDS Library also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SiteAuditOS sells 4 in-app purchases, starting at $19.99 per month. MSDS/TDS Library asks for nothing beyond the download.

## The numbers

| Metric | MSDS/TDS Library | SiteAuditOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.4 (7 ratings)](https://appshunter.io/ios/app/msdstds-library/id664552609/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Monetization | Free | — |
| Size | 64 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Akzo Nobel Coatings International B.V.](https://appshunter.io/developer/1167907043) | [ARKA Systems LLC](https://appshunter.io/developer/1873596855) |

## 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


### SiteAuditOS

[App page](https://appshunter.io/ios/app/siteauditos/id6759220035)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | per month |
| Agency | $39.99 | per month |
| Pro (Annual) | $149.99 | per year |
| Agency (Annual) | $299.99 | per year |


## Frequently asked questions

### Is MSDS/TDS Library free?

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

### Is SiteAuditOS free?

SiteAuditOS is free to download, with in-app purchases available.

### Do MSDS/TDS Library or SiteAuditOS have ads?

Neither MSDS/TDS Library nor SiteAuditOS shows ads.

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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.*