# QRU? - QR Code Debugger — Scan & Decode URL Components > Developer tool to scan, debug, and generate QR codes with color-coded URL component breakdown. (iPhone/iPad app by Jon Samp.) - Source: https://appshunter.io/ios/app/qru-qr-code-debugger/id6741717337 (this page in markdown: same URL + `.md`) - Developer: [Jon Samp](https://appshunter.io/developer/1316843623) - Category: Developer Tools, Utilities - Price: Free (on sale, was $0.99) - Age rating: 4+ - Requires: iOS 16.4 · 54 MB - Languages: American English - Released: 2025-02-25 - Data updated: 2026-08-27 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/qru-qr-code-debugger/id6741717337/reviews.md ## What is QRU?? QRU? is a free, open-source QR code debugger built for developers. Scan any QR code and instantly see its data broken down into color-coded components. Stop guessing what's inside a QR code. QRU? scans and parses QR codes, then displays a colorized breakdown of every URL component — protocol, host, path, and query parameters — each in a distinct color so you can debug at a glance. KEY FEATURES • Colorized URL Breakdown — See protocol, host, path, and query parameters highlighted in distinct colors • Instant Scanning — Point your camera and get results immediately • QR Code Generation — Generate a QR code from any scanned URL to share with other devices • Scan History — Keep a log of every scan, revisit and manage them anytime • Copy Anything — Tap any component to copy it to your clipboard • No Ads, Ever — Completely free with no ads, tracking, or in-app purchases • Open Source — Full source code available on GitHub BUILT FOR DEVELOPERS QRU? was originally built to debug EAS Update QR codes, but it works for any QR code you encounter during development. Deep links, universal links, API endpoints, redirect URLs — if it's encoded in a QR code, QRU? will break it down for you. PERFECT FOR DEBUGGING • Deep link testing • Universal link verification • API endpoint inspection • Redirect URL analysis • Query parameter validation • Custom URL scheme debugging Start scanning today! ## Key features - Colorized URL breakdown - Instant QR code scanning - QR code generation - Scan history log - Copy URL components - Open-source code ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/qru-qr-code-debugger/id6741717337/reviews.md ### 1/5 — does cut off ... / xxx *2026-06-02* I have QRs of url with an anchor. I want to see, to what exact anchor (e.g. .../#a or .../#b ) the code links. The App cuts the anchor off. ## Frequently asked questions about QRU? ### What is QRU? used for? QRU? is a developer tool designed to scan and debug QR codes. It breaks down the encoded data, especially URLs, into color-coded components like protocol, host, path, and query parameters for easier analysis. ### Does QRU? have ads? No, QRU? is completely free with no advertisements. The developer explicitly states 'No Ads, Ever' and that there are no tracking or in-app purchases. ### Can QRU? generate QR codes? Yes, QRU? allows you to generate a QR code from any scanned URL. This feature is useful for sharing encoded information with other devices. ### What kind of QR codes can QRU? debug? QRU? is built for debugging any QR code encountered during development, including EAS Update QR codes, deep links, universal links, API endpoints, and redirect URLs. ### How often is QRU? updated? The latest version of QRU? is 2026.4, last updated on 2026-06-26. This indicates a recent update, suggesting ongoing development and maintenance. ### Is QRU? available on multiple platforms? Based on the provided data, QRU? is supported on iPhone and iPad, indicating it is available for iOS devices. ### What is the age rating for QRU? QRU? has an age rating of 4+, making it suitable for a wide range of users, including younger individuals who may be exploring developer tools. ### Where can I find the source code for QRU? QRU? is an open-source application. The full source code is available on GitHub, allowing developers to inspect and contribute to the project. ## Version history (last 5 releases) ### 2026.6 — 2026-08-03 Bug fixes and improvements ### 2026.5 — 2026-07-05 Bug fixes and improvements. ### 2026.4 — 2026-06-26 General bug fixes and improvements. ### 2026.3 — 2026-06-03 Bug fixes and improvements. ### 2026.2 — 2026-05-12 Bug fixes and improvements. ## More apps by Jon Samp - [Single Origin - Coffee Timer](https://appshunter.io/ios/app/single-origin-coffee-timer/id1480168613) - [Word Check - Scrabble Words](https://appshunter.io/ios/app/word-check-scrabble-words/id1489890340) All apps by Jon Samp: https://appshunter.io/developer/1316843623 ## Related topics [api debugger](https://appshunter.io/ios/topics/api-debugger) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*