The Core Difference
The key distinction is where the data lives:
- Static QR code: The destination (URL or data) is baked directly into the QR pattern. It cannot be changed after creation.
- Dynamic QR code: The QR code points to a short redirect link. You can change the final destination at any time from a dashboard — without changing the QR pattern itself.
| Feature | Static QR Code | Dynamic QR Code |
|---|---|---|
| Editable after creation | ❌ No | ✅ Yes |
| Scan analytics | ❌ No | ✅ Yes |
| Password protection | ❌ No | ✅ Yes |
| Expiry date | ❌ No | ✅ Yes |
| Scan limit | ❌ No | ✅ Yes |
| Requires account | ✅ No account needed | ⚠️ Free account |
| Works offline | ✅ Yes (for non-URL data) | ❌ Requires internet |
| QR code size | ⚠️ Larger (more data) | ✅ Smaller (short URL) |
| Best for | WiFi, vCard, one-time use | Marketing, print, business |
When to Use Static QR Codes
Static QR codes are ideal when:
- The destination will never change (e.g., a permanent website URL)
- You don't need analytics or tracking
- You're sharing offline data like WiFi credentials, contact details, or plain text
- You want the simplest, most reliable option with no server dependency
- You're generating QR codes in bulk for one-time use (event tickets, single-scan codes)
✅ Best static use cases: Business cards (vCard), WiFi sharing, coupon
codes, library book labels, product ingredient info.
When to Use Dynamic QR Codes
Dynamic QR codes are essential when:
- The destination URL might change after printing
- You need to track scan metrics (how many people scanned, from where, on what device)
- You want to A/B test different landing pages with the same QR code
- You need security features like password protection or scan limits
- You're running a marketing campaign with printed materials
📊 Marketing insight: Dynamic QR codes let you measure offline
campaign ROI. See how many people scanned a flyer, which city had the most scans, and whether mobile or
desktop was more common.
Dynamic QR Code on QR Gen
On QR Gen, dynamic QR codes require a free account. Once logged in, toggle "Dynamic Mode" in the editor. You'll get:
- Real-time scan analytics — total scans, timeline, geographic breakdown, device types
- Editable destination — change URL from the dashboard at any time
- Password protection — require a password before the QR redirects
- Scan limit — auto-deactivate after N scans
- Expiry date — automatically stop redirecting after a date
- Geo restriction — only redirect from specific countries
Which Should You Choose?
Use static when: You're creating a simple QR code for personal use, sharing WiFi, or encoding contact details. Quick, free, no account needed.
Use dynamic when: You're printing materials for a campaign, running a business, or need to track performance. Free account required — but the features are worth it.