Resistor color decoder vs QR Hero

App that let you calculate theoretical resistance from resistor color code and real tolerance resistance range.

Create clean, professional QR codes in seconds. Whether you’re sharing a website, connecting guests to Wi-Fi, or exchanging contact details, QR Hero makes QR code creation simple, flexible, and reliable. Designed with clarity and customisation in mind, QR Hero lets you generate modern QR codes that look great and scan consistently. Core Features • Generate QR codes • Live preview as you edit — see changes instantly • Save QR codes to your Photos or share them anywhere • Smart contrast warnings to help ensure your QR codes scan reliably Customisation • Choose from curated gradient presets (Pro feature) • Create your own custom colour combinations • Add your logo to the centre of the QR code (Pro feature) • Clean, minimal output designed to work across devices Pro Features Upgrade to Pro for advanced customisation: • Generate QR codes for URLs, Wi-Fi, Contacts (vCard), and Events • Logo overlays • Gradient QR codes • Preset and custom colour controls • Unlimited exports Designed to be simple No clutter. No unnecessary settings. Just the tools you actually need to create great-looking QR codes. Perfect for: • Small businesses • Events and venues • Freelancers and consultants • Anyone who wants QR codes that look professional ** If you use this app, please get in touch or leave a review, to help me decide what features to add in the next update. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/