QR Maker vs Stud + Metal Scanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QR Maker
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QR Maker – Scan, Create & Generate Codes Instantly QR Maker is your all-in-one solution for scanning and generating QR codes and barcodes with speed, accuracy, and simplicity. Whether you want to scan a QR code, create your own QR for sharing, or generate professional barcode formats, QR Maker gives you complete control in one lightweight app. Designed for everyday users and professionals alike, QR Maker makes working with codes effortless. No clutter, no confusion, just fast and reliable results. Powerful QR Code Scanner Instantly scan QR codes using your device camera. QR Maker detects codes quickly and accurately, allowing you to open links, view encoded data, or use the information immediately. No need to press extra buttons. Just point and scan. QR Code Generator Create custom QR codes in seconds. Generate QR codes for text, links, or supported data formats and share them anywhere. Perfect for business cards, marketing materials, events, or personal use. Advanced Barcode Generator QR Maker supports professional barcode formats for business and daily needs: Code 128 Generator for inventory, logistics, and product labeling PDF417 Generator for IDs, boarding passes, and document encoding Generate clean, high-quality barcodes that work reliably across scanners and systems. Simple, Fast, and Reliable QR Maker is built with performance and usability in mind. The clean and intuitive interface makes it easy for anyone to scan or generate codes without a learning curve. Privacy-First Design Your data stays on your device. QR Maker does not upload or track your scanned or generated codes, ensuring a safe and private experience. Why Choose QR Maker? Fast and accurate QR code scanning Easy QR code creation Code 128 and PDF417 generation Clean, user-friendly design Reliable performance without unnecessary steps Whether you are scanning a code on the go or generating barcodes for work, QR Maker is a smart and simple tool you can rely on. Download QR Maker today and take full control of QR codes and barcodes with confidence.
Stud + Metal Scanner
Instantly locate studs, screws, and nails behind walls, or measure magnetic fields (EMF) using your iPhone's built-in sensor. This dual-mode utility is perfect for DIY projects, home improvement, and scientific exploration.
- Stud finder mode
- Magnetometer (EMF) mode
- Detect studs, screws, nails, and metal
- Measure magnetic fields in real-time
- Graph view for field changes
- Pause scans for precision readings
- Re-zero sensor for accuracy
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Detect studs, screws, nails, and measure magnetic fields (EMF) instantly with your iPhone. Two powerful modes in one app: Stud Finder & Magnetometer — works entirely on your iPhone. Perfect for DIY enthusiasts, home improvement projects, tech experiments, educational purposes, contractors, engineers, and anyone curious about magnetic fields or hidden metal. Stud Finder Mode Locate wall studs, screws, nails, metal pipes, and hidden metal objects behind drywall, plaster, and panel walls. Accurate readings using your iPhone’s built-in magnetic sensor. Pro Tip: For best results, hold the bottom third of the back near the wall — that’s where the sensor is. Pause scans to note field values for precision. Re-zero the sensor anytime for accurate readings. Detect studs, screws, nails, wall anchors, and metal pipes for safer drilling and renovations. Ideal for homeowners, contractors, interior designers, and DIY enthusiasts. Perfect for hanging shelves, picture frames, cabinets, mirrors, or TVs without guesswork. Magnetometer Mode (EMF Detection) Measure magnetic fields in real time. Graph view shows field changes instantly. Detect EMF levels, metal objects, and magnetic anomalies for experiments or tech projects. Monitor magnetic field trends and peaks on the live graph. Perfect for students, engineers, hobbyists, or anyone exploring EMF. Ideal for classrooms, STEM labs, science fairs, or home experiments. Dual-Mode Functionality Find studs and detect magnetic fields (EMF). Perfect for home DIY, construction, school labs, STEM experiments, or curiosity-driven exploration. Provides actionable, real-time feedback for home improvement and tech applications. Why Users Love Stud + Metal Scanner Clean interface for scanning walls or visualizing magnetic fields. Real-time feedback ensures you never miss studs, screws, nails, or metal objects. Graph mode provides instant visual confirmation of field changes. Safe and reliable for home improvement, DIY, and tech explorations. Lightweight and fast Perfect for casual users, contractors, and technical professionals. Ideal for detecting hidden studs, metal objects, or performing STEM experiments. Pro Tips Pause scans to record readings and plan your project. Move your iPhone slowly along walls for optimal detection. Use Magnetometer mode to explore EMF and hidden metals. Re-zero the sensor whenever needed. Bottom third of iPhone back is the best spot for scanning. Corners, edges, or areas with high metal density for best results. Combine Stud Finder and Magnetometer modes to validate readings. Use Cases & Applications Hang shelves, TVs, picture frames, cabinets, mirrors, or artwork safely. Detect metal studs, screws, nails, wall anchors, and metal pipes. Explore magnetic fields in classrooms, labs, science fairs, or DIY tech projects. Measure EMF levels for STEM projects, experiments, or educational purposes. Identify hidden metal objects, magnetic anomalies, or ferrous materials. Track magnetic field trends visually with the graph for experiments or demonstrations. Perfect for homeowners, contractors, engineers, students, hobbyists, and interior designers and renovation professionals Curious minds exploring EMF or magnetic fields, STEM classrooms, educational labs, or science fairs Why Download Dual functionality: Stud Finder + Magnetometer Visual feedback: Graph shows field changes in real time Reliable: Perfect for home, school, or lab use Sensor guidance: Bottom third of iPhone back is optimal for scanning Versatile: DIY projects, home improvement, STEM experiments, and tech enthusiasts Download Stud + Metal Scanner now to make your next project easier, safer, and more accurate. Detect studs, screws, nails, metal objects, or explore magnetic fields (EMF) — all from your iPhone! Start scanning today and experience the most versatile Stud Finder & Magnetometer utility app on the App Store!
Screenshots
Verdict
The clearest difference is in-app purchases: Stud + Metal Scanner at none against QR Maker's 3. Stud + Metal Scanner also leads on iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. QR Maker sells 3 in-app purchases, starting at $2.99 per 7 days. Stud + Metal Scanner asks for nothing beyond the download.
| Parameter | QR Maker | Stud + Metal Scanner |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 10 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 19 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Aman Singhal | PRADEEP CHENDURAN BALASUNDARAM |
In-app purchases
QR Maker
- weekly3 Days trial$2.997 Days
- yearly$12.991 Year
- lifetime$29.99
Stud + Metal Scanner
No in-app purchases
Questions
Is QR Maker free?
Is Stud + Metal Scanner free?
Do QR Maker or Stud + Metal Scanner have ads?
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