Best apps like Scan Barcode & QR Code

9+ similar apps compared and reviewed

3.9 avg rating
9 free apps
Updated September 2026

Looking for something like Scan Barcode & QR Code? We've analyzed 9+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Scan Barcode & QR Code

Complex RPN Calculator#3

Complex RPN Calculator by John Coddington

Complex Numbers RPN Calculator
Worth Considering
🔧 Utilities
3.8😐(22 ratings)
Free
Complex RPN Calculator screenshot 1
Complex RPN Calculator screenshot 2
Complex RPN Calculator screenshot 3
Complex RPN Calculator screenshot 4
Complex RPN Calculator screenshot 5
Complex RPN Calculator screenshot 6

This scientific calculator utilizes a four-level stack and natively handles complex numbers. It allows users to input and view numbers in both polar and rectangular formats, remembering its state and offering 10 memory locations.

What We Love

  • ✅ Great RPN functionality
  • ✨ Complex number support
  • 🆓 Free to use
  • 🚫 No ads or in-app purchases
  • 💻 Works on macOS
  • 👍 Simple and clean design
  • 💡 Customizable key press sound
  • 🗂️ Stack visibility

Room to Improve

  • 🎨 SwiftUI design is ugly
  • 🐌 Slow keyboard response
  • 🖱️ Clunky operation
  • 📉 Complex number operations limited
  • ⚠️ Broken on newer iOS versions (historically)
  • 😵 Confusing for non-RPN users

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