# JSA vs SDS Manager

The clearest difference is in-app purchases: SDS Manager at none against JSA's 5. SDS Manager also leads on update cadence (every 3 weeks vs every 2 months) and ratings volume (16 vs 3). On price, rating, ads and device support there is nothing between them.

Both are free to download. JSA sells 5 one-off in-app purchases. SDS Manager asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for JSA against 4.8 for SDS Manager. That said, the two scores are not equally well evidenced: SDS Manager has 16 ratings behind it against 3, so its average is the more settled of the two.

JSA ships an update every 2 months, SDS Manager every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | JSA | SDS Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/jsa-onthego/id1369505754/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/sds-manager/id6754279703/reviews)** |
| Number of ratings | 3 | **16** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 72 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Job Safety OnTheGo Pty Ltd](https://appshunter.io/developer/1367096564) | [Netpower](https://appshunter.io/developer/470825521) |

## What reviewers say

### JSA

[App page](https://appshunter.io/ios/app/jsa-onthego/id1369505754)

Streamline job safety analyses with AI-powered risk assessment and PPE generation. Create professional, color-coded PDF documents with digital signatures and timestamps. Features include customizable risk matrices, voice recognition, and the ability to reuse previous analyses.

**Highlights:** AI-powered JSA/JHA/JSEA generation, Automated risk assessment and PPE recommendations, Customizable risk matrix editor, Voice recognition for faster input, Reuse of previous JSA/JHA documents, Cloud saving and offline access, Digitally signed and timestamped PDF reports

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JSA On-Demand | $0.99 | one-time |
| One month subscription | $9.99 | one-time |
| Three month subscription | $25.99 | one-time |
| Six month subscription | $47.99 | one-time |
| Full year subscription | $89.99 | one-time |


### SDS Manager

[App page](https://appshunter.io/ios/app/sds-manager/id6754279703)

Access your entire chemical safety data sheet library on your mobile device, with or without an internet connection. Quickly retrieve information using barcode scanning and find essential first-aid details at a glance.

**Highlights:** Full offline access to SDS library, Barcode and QR code scanner, Mobile-friendly first-aid info, Instant employee access via QR posters, Works on iPhone and iPad

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JSA free?

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

### Is SDS Manager free?

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

### Which has better reviews, JSA or SDS Manager?

SDS Manager is rated higher. JSA averages 4.7 out of 5 from 3 ratings, while SDS Manager averages 4.8 from 16 ratings.

### Do JSA or SDS Manager have ads?

Neither JSA nor SDS Manager shows ads.

### Which is updated more often, JSA or SDS Manager?

JSA ships an update every 2 months, and SDS Manager every 3 weeks. Most recently, JSA was updated on October 29, 2026 and SDS Manager on October 24, 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.*