# Knitting Folio vs ScanArmor

The clearest difference is price: ScanArmor at Free against Knitting Folio's $0.99. ScanArmor also leads on update cadence (every 9 days vs every 9 months). Knitting Folio's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

ScanArmor is free to download; Knitting Folio costs $0.99 up front. ScanArmor sells 1 one-off in-app purchase. Knitting Folio asks for nothing beyond the download.

Knitting Folio ships an update every 9 months, ScanArmor every 9 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Knitting Folio | ScanArmor |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 9 days** |
| Best chart rank | **#173** | — |
| Size | 4 MB | 4 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nikolaj Jensen](https://appshunter.io/developer/1487634697) | [少泽 梁](https://appshunter.io/developer/897112791) |

## What reviewers say

### Knitting Folio

[App page](https://appshunter.io/ios/app/knitting-folio/id1668641290)

**Currently charting:** #173 Top Paid · Lifestyle (US App Store)

**In-app purchases:** none


### ScanArmor

[App page](https://appshunter.io/ios/app/scanarmor-secure-privacy-qr/id6743648531)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade To Pro | $1.99 | one-time |


## Frequently asked questions

### Is Knitting Folio free?

Knitting Folio costs $0.99, with no in-app purchases.

### Is ScanArmor free?

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

### Do Knitting Folio or ScanArmor have ads?

ScanArmor shows ads; Knitting Folio does not.

### Which is updated more often, Knitting Folio or ScanArmor?

Knitting Folio ships an update every 9 months, and ScanArmor every 9 days. Most recently, Knitting Folio was updated on November 7, 2026 and ScanArmor on October 30, 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.*