# QR Code · Barcode Reader&Maker vs 3D Print Doctor

The clearest difference is price: 3D Print Doctor at Free against QR Code · Barcode Reader&Maker's $0.99. 3D Print Doctor also leads on update cadence (every 2 weeks vs every 21 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

3D Print Doctor is free to download; QR Code · Barcode Reader&Maker costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QR Code · Barcode Reader&Maker ships an update every 21 months, 3D Print Doctor every 2 weeks. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | QR Code · Barcode Reader&Maker | 3D Print Doctor |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/qr-code-barcode-reader-and-maker/id6738623449/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 18 MB | 44 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [志勇 杨](https://appshunter.io/developer/1137372489) | [LEE WILLIAM LOCKYER FINCKEN](https://appshunter.io/developer/6799251915) |

## What reviewers say

### QR Code · Barcode Reader&Maker

[App page](https://appshunter.io/ios/app/qr-code-barcode-reader-and-maker/id6738623449)

Easily scan and generate QR codes and barcodes for various purposes, from accessing menus and WiFi to sharing contact information. Organize your scan and creation history with custom folders and export data for further use.

**Highlights:** Scan QR codes and barcodes from camera or photos, Create custom QR codes for URLs, WiFi, VCards, and more, Support for numerous code formats, Organize scan/creation history with folders, Export history as CSV files, Ad-free experience

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

**In-app purchases:** none


### 3D Print Doctor

[App page](https://appshunter.io/ios/app/3d-print-doctor/id6799251913)

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

**In-app purchases:** none


## Frequently asked questions

### Is QR Code · Barcode Reader&Maker free?

QR Code · Barcode Reader&Maker costs $0.99, with no in-app purchases.

### Is 3D Print Doctor free?

3D Print Doctor is free to download, with no in-app purchases.

### Do QR Code · Barcode Reader&Maker or 3D Print Doctor have ads?

Neither QR Code · Barcode Reader&Maker nor 3D Print Doctor shows ads.

### Which is updated more often, QR Code · Barcode Reader&Maker or 3D Print Doctor?

QR Code · Barcode Reader&Maker ships an update every 21 months, and 3D Print Doctor every 2 weeks. Most recently, QR Code · Barcode Reader&Maker was updated on October 24, 2026 and 3D Print Doctor on October 19, 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.*