# JSA vs LineScale

The clearest difference is update cadence: LineScale at weekly against JSA's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. JSA sells 5 one-off in-app purchases and LineScale sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

JSA ships an update every 2 months, LineScale weekly. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | JSA | LineScale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/jsa-onthego/id1369505754/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 35 MB |
| Requires iOS | **16.0** | 16.2 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Job Safety OnTheGo Pty Ltd](https://appshunter.io/developer/1367096564) | [Andreas Riedrich](https://appshunter.io/developer/1501764107) |

## 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 |


### LineScale

[App page](https://appshunter.io/ios/app/linescale-3-app/id6760936731)

**Features:** Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan – Monthly | $2.99 | per month |
| Multi-Log – Monthly | $2.99 | per month |
| WiFi – Monthly | $2.99 | per month |
| Professional – Monthly | $8.99 | per month |
| Pro Plan – Yearly | $11.99 | per year |
| Multi-Log – Yearly | $11.99 | per year |
| WiFi – Yearly | $11.99 | per year |
| Professional – Yearly | $24.99 | per year |
| WiFi – Lifetime | $22.99 | one-time |
| Professional – Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is JSA free?

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

### Is LineScale free?

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

### Do JSA or LineScale have ads?

Neither JSA nor LineScale shows ads.

### Which is updated more often, JSA or LineScale?

JSA ships an update every 2 months, and LineScale weekly. Most recently, JSA was updated on September 30, 2026 and LineScale on October 7, 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.*