# QR code reader to web vs KTrunk

The clearest difference is in-app purchases: QR code reader to web at none against KTrunk's 3. QR code reader to web also leads on iOS requirement (9.3 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. KTrunk sells 3 one-off in-app purchases. QR code reader to web asks for nothing beyond the download.

QR code reader to web ships an update every 2 months, KTrunk monthly. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | QR code reader to web | KTrunk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ktrunk/id1543722029/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 10 MB |
| Requires iOS | **9.3** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Takashi Sato](https://appshunter.io/developer/1477048402) | [Clemens Schuetzdeller](https://appshunter.io/developer/1543722031) |

## What reviewers say

### QR code reader to web

[App page](https://appshunter.io/ios/app/qr-code-reader-to-web/id1477048403)

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

**In-app purchases:** none


### KTrunk

[App page](https://appshunter.io/ios/app/ktrunk/id1543722029)

This note-taking app allows you to save ideas with attached files and photos. You can create links between notes and files, and synchronize your data across devices. An optional in-app purchase enables note encryption for enhanced privacy.

**Highlights:** Save ideas with files and photos, Link notes to other notes and files, Synchronize across devices via iCloud, Notes saved in HTML format, Optional note encryption

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Operating Convenience | $0.99 | one-time |
| Privacy | $1.99 | one-time |
| #Tag-Proposals | $1.99 | one-time |


## Frequently asked questions

### Is QR code reader to web free?

QR code reader to web is free to download, with no in-app purchases.

### Is KTrunk free?

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

### Do QR code reader to web or KTrunk have ads?

Neither QR code reader to web nor KTrunk shows ads.

### Which is updated more often, QR code reader to web or KTrunk?

QR code reader to web ships an update every 2 months, and KTrunk monthly. Most recently, QR code reader to web was updated on October 8, 2026 and KTrunk on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*