# Johnson KSA vs Scanner PDF

The clearest difference is price: Johnson KSA at Free against Scanner PDF's $1.99. Johnson KSA also leads on iOS requirement (11.2 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Johnson KSA is free to download; Scanner PDF costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Johnson KSA | Scanner PDF |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 57 MB | 13 MB |
| Requires iOS | **11.2** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EraMint](https://appshunter.io/developer/1042043009) | [Anas Khedr](https://appshunter.io/developer/1879943110) |

## What reviewers say

### Johnson KSA

[App page](https://appshunter.io/ios/app/johnson-ksa/id1355109775)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scanner PDF

[App page](https://appshunter.io/ios/app/scanner-pdf-scan-docs/id6760683635)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Johnson KSA free?

Johnson KSA is free to download, with no in-app purchases.

### Is Scanner PDF free?

Scanner PDF costs $1.99, with no in-app purchases.

### Do Johnson KSA or Scanner PDF have ads?

Neither Johnson KSA nor Scanner PDF shows ads.

### Which is updated more often, Johnson KSA or Scanner PDF?

Johnson KSA ships an update every 2 months, and Scanner PDF every 2 months. Most recently, Johnson KSA was updated on September 29, 2026 and Scanner PDF 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.*