There's no need to download third party software when you can execute this code and generate your own qr-code generator qr-code.playground 😀

qrcode.swift

//: A UIKit based Playground for presenting user interface

import UIKit
import PlaygroundSupport

final class QRCodeViewController: UIViewController {
  private var input: String = ""

  func generateQRCode(from string: String) -> UIImage? {
    let data = string.data(using: String.Encoding.ascii)

    if let filter = CIFilter(name: "CIQRCodeGenerator") {
      filter.setValue(data, forKey: "inputMessage")
      let transform = CGAffineTransform(scaleX: 3, y: 3)

      if let output = filter.outputImage?.transformed(by: transform) {
        return UIImage(ciImage: output)
      }
    }

    return nil
  }

  init(input: String) {
    self.input = input
    super.init(nibName: nil, bundle: nil)
  }

  @available(*, unavailable)
  required init?(coder aDecoder: NSCoder) {
    fatalError("init(coder:) has not been implemented")
  }

  override func viewDidLoad() {
    super.viewDidLoad()
    self.view = UIImageView(image: generateQRCode(from: input))
  }
}

class MyViewController : UIViewController {
  override func loadView() {
    let view = UIView()
    view.backgroundColor = .white

    let qrCodeViewController = QRCodeViewController(input: "SPAM HAM EGGS")
    qrCodeViewController.view.frame = CGRect(x: 0, y: 0, width: 300, height: 300)
    addChild(qrCodeViewController)
    view.addSubview(qrCodeViewController.view)
    qrCodeViewController.didMove(toParent: self)

    self.view = view
  }
}
// Present the view controller in the Live View window
PlaygroundPage.current.liveView = MyViewController()