ค่าใช้จ่าย QR Code แบบไดนามิก: ฟรี vs เสียค่าใช้จ่าย vs โฮสต์เอง
Total cost analysis of dynamic QR codes: free tier limitations, subscription pricing, per-scan costs, and self-hosting expenses.
Dynamic QR Code Costs: Free vs Paid vs Self-Hosted
Understanding the total cost of dynamic QR codes helps choose between free tiers, paid platforms, and self-hosting.
Free Tier Analysis
Most platforms offer a free tier:
- Typical limits: 1-5 dynamic QR codes, 500-5,000 scans/month
- Missing features: No custom domain, basic analytics, limited design
- Risks: Codes may be deactivated if you exceed limits; platform may change terms
Best for: Personal use, testing, proof of concept.
Paid Platform Costs
| Plan | Monthly Cost | QR Codes | Scans | Key Features |
|---|---|---|---|---|
| Basic | $5-15 | 10-50 | 10K-50K | Analytics, basic design |
| Professional | $15-50 | 100-500 | 100K-500K | Custom domain, API |
| Business | $50-150 | 1,000+ | 1M+ | Teams, SSO, SLA |
| Enterprise | $200+ | Unlimited | Unlimited | Custom, dedicated support |
Hidden costs: Custom domain SSL ($0-10/month), design tool upgrades, API call overages.
Self-Hosting Costs
| Component | Monthly Cost |
|---|---|
| VPS hosting | $5-20 |
| Domain | $1 (amortised) |
| SSL certificate | $0 (Let's Encrypt) |
| Geolocation DB | $0 (MaxMind GeoLite2) |
| Development time | Variable |
| Maintenance time | 2-4 hours/month |
Total self-hosted cost: $6-21/month for infrastructure, plus development and maintenance time.
Cost Comparison by Volume
| Monthly Scans | Free Tier | Paid Platform | Self-Hosted |
|---|---|---|---|
| 500 | $0 | $5-15 | $6 |
| 5,000 | Exceeds limit | $5-15 | $6 |
| 50,000 | Exceeds limit | $15-50 | $10 |
| 500,000 | Exceeds limit | $50-150 | $20 |
Decision Framework
Choose free tier when testing or for personal use with minimal QR codes.
Choose paid platform when you need analytics, custom design, and reliable service without development overhead.
Choose self-hosted when you have development resources, need full data control, or operate at scale where per-scan costs add up.
Key Takeaways
- Free tiers work for testing but are too limited for business use
- Paid platforms cost $5-150/month depending on scale and features
- Self-hosting costs $6-21/month but requires development and maintenance time
- At high volume (100K+ scans/month), self-hosting is significantly cheaper
- Factor in development time and operational overhead for self-hosting decisions