This article quickly shows which QR code tools work best for different event needs. I learned that Guest Camera Roll is great for collecting photos, Eventbrite is strong for ticketing, and Whova is perfect for digital schedules. Cvent LeadCapture helps exhibitors get leads, Slido is best for live polls and feedback, and Square Point of Sale makes payments easy. The writer tested each tool in real events and shared clear pros and cons. I found this article very helpful and easy to follow. It’s a great guide for anyone planning events with QR codes.