.entry-title,.page-title{display:none!important}
.vn-comp{max-width:1060px;margin:0 auto;padding:20px;font-family:-apple-system,BlinkMacSystemFont,”Segoe UI”,Roboto,sans-serif;line-height:1.6}
.vn-hero{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);border-radius:16px;padding:50px 30px;text-align:center;color:#fff;margin-bottom:30px}
.vn-hero h1{font-size:2.2em;margin:0 0 10px;color:#fff;font-weight:700;line-height:1.3}
.vn-vs{color:#e94560;font-size:1.3em;font-weight:800;margin:0 10px}
.vn-hero p{color:#cfd8dc;font-size:1.05em;margin-top:10px}
.vn-quick{display:flex;gap:20px;margin-bottom:30px;align-items:stretch}
.vn-prod-card{flex:1;background:#fff;border-radius:12px;padding:28px 20px;text-align:center;box-shadow:0 2px 16px rgba(0,0,0,.09);border:2px solid #e9ecef;display:flex;flex-direction:column;align-items:center;position:relative}
.vn-prod-card.winner{border-color:#2e7d32}
.vn-winner-badge{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:#2e7d32;color:#fff;padding:5px 20px;border-radius:20px;font-size:.78em;font-weight:700;letter-spacing:1px;white-space:nowrap}
.vn-prod-img{width:180px;height:180px;object-fit:contain;margin:0 auto 14px;display:block}
.vn-prod-name{font-size:1.25em;color:#1a1a2e;margin:8px 0 6px;font-weight:700}
.vn-price{font-size:1.7em;color:#e94560;font-weight:700;display:block;margin:6px 0}
.vn-rating{color:#f59e0b;font-size:1em;margin:6px 0;display:block}
.vn-vs-circle{display:flex;align-items:center;justify-content:center;min-width:64px;flex-shrink:0}
.vn-vs-circle span{background:#e94560;color:#fff;width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2em}
.vn-amazon-btn{display:inline-block;background:#f0c14b;color:#111;padding:13px 24px;border-radius:8px;text-decoration:none;font-weight:700;font-size:.95em;margin-top:14px;border:1px solid #a88734;transition:background .2s}
.vn-amazon-btn:hover{background:#ddb347}
.vn-section-title{text-align:center;color:#1a1a2e;font-size:1.6em;margin:34px 0 12px}
.vn-specs-table{width:100%;border-collapse:collapse;margin:20px 0;border-radius:12px;overflow:hidden;box-shadow:0 2px 16px rgba(0,0,0,.09)}
.vn-specs-table thead th{background:#1a1a2e;color:#fff;padding:15px 16px;font-size:.95em;text-align:center}
.vn-specs-table thead th:first-child{text-align:left}
.vn-specs-table td{padding:13px 16px;border-bottom:1px solid #e9ecef;text-align:center;font-size:.93em}
.vn-specs-table td:first-child{font-weight:600;color:#1a1a2e;background:#f8f9fa;text-align:left;width:28%}
.vn-win{background:#e8f5e9!important;color:#2e7d32;font-weight:700}
.vn-lose{background:#fce4ec!important;color:#c62828}
.vn-pros-cons{display:flex;flex-wrap:wrap;gap:18px;margin:26px 0}
.vn-pros,.vn-cons{flex:1;min-width:220px;padding:20px;border-radius:12px}
.vn-pros{background:#e8f5e9}.vn-cons{background:#fce4ec}
.vn-pros h3{color:#2e7d32;margin-top:0;font-size:1.05em}
.vn-cons h3{color:#c62828;margin-top:0;font-size:1.05em}
.vn-pros li,.vn-cons li{padding:4px 0;color:#333;font-size:.93em}
.vn-verdict{background:linear-gradient(135deg,#1a1a2e,#0f3460);border-radius:12px;padding:32px;color:#fff;margin:30px 0}
.vn-verdict h2{color:#e94560;margin-top:0;font-size:1.5em}
.vn-verdict p{color:#cfd8dc;line-height:1.8;font-size:1em}
.vn-faq{margin:30px 0}
.vn-faq h2{color:#1a1a2e;font-size:1.5em;text-align:center;margin-bottom:20px}
.vn-faq-item{background:#fff;border-radius:10px;padding:18px 22px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.06);border-left:4px solid #e94560}
.vn-faq-item h3{color:#1a1a2e;margin:0 0 8px;font-size:1em}
.vn-faq-item p{color:#555;margin:0;font-size:.93em;line-height:1.6}
.vn-cta{text-align:center;padding:36px 20px;background:#f8f9fa;border-radius:12px;margin:30px 0}
.vn-cta h2{color:#1a1a2e;font-size:1.4em}
.vn-bc{color:#666;font-size:.9em;margin-bottom:16px}
.vn-bc a{color:#0f3460;text-decoration:none}
@media(max-width:768px){.vn-quick{flex-direction:column}.vn-vs-circle span{margin:0 auto}.vn-pros-cons{flex-direction:column}.vn-prod-img{width:130px;height:130px}}
Levoit Core 400S Smart VS Blueair Blue Pure 211+ Auto
Detailed side-by-side comparison · Updated April 2025
📊 Specifications Comparison
| Specification | Levoit Core 400S Smart | Blueair Blue Pure 211+ Auto |
|---|---|---|
| Price | 219 | 329 |
| CADR Smoke | 260 | 350 |
| CADR Dust | 260 | 350 |
| Coverage Sqft | 403 | 540 |
| HEPA | H13 True HEPA | HEPASilent |
| Carbon | Yes | Yes |
| Noise DB | 24 | 31 |
| Wattage | 45 | 30 |
| Auto Mode | Yes | Yes |
| WiFi | Yes – VeSync App | No |
Pros & Cons
✓ Levoit Core 400S Smart Pros
- WiFi + Alexa/Google compatible
- 403 sq ft large coverage
- 24dB ultra-quiet sleep mode
- Real-time air quality sensor
- Energy efficient 45W
✗ Levoit Core 400S Smart Cons
- Replacement filters expensive
- App can have connectivity issues
- Tall design takes more floor space
- Filter indicator sometimes inaccurate
✓ Blueair Blue Pure 211+ Auto Pros
- Excellent 540 sq ft large room coverage
- Stylish fabric pre-filter colors
- Very energy efficient 30W
- Simple one-button operation
- Scandinavian design aesthetic
✗ Blueair Blue Pure 211+ Auto Cons
- No smart features whatsoever
- Louder at highest setting
- No air quality indicator
- More expensive for fewer tech features
🏆 Our Verdict: Levoit Core 400S Smart Wins
Levoit Core 400S wins for smart home users — WiFi control, larger coverage, and Alexa compatibility at a very competitive $219 price point.
Frequently Asked Questions
Which is better, Levoit Core 400S Smart or Blueair Blue Pure 211+ Auto?
Levoit Core 400S Smart is our top pick (9/10). Levoit Core 400S wins for smart home users — WiFi control, larger coverage, and Alexa compatibility at a very competitive $219 price point.
What is the price difference?
The Levoit Core 400S Smart costs $219 while the Blueair Blue Pure 211+ Auto costs $329 — a difference of $110.
Where can I buy these products?
Both are available on Amazon with free Prime shipping. Use our affiliate links above to support VersusNest at no extra cost to you.
Ready to Buy?
Get the latest price on Amazon with fast Prime shipping
Buy Levoit Core 400S Smart →
Buy Blueair Blue Pure 211+ Auto →
{“@context”:”https://schema.org”,”@type”:”Article”,”headline”:”Levoit Core 400S Smart vs Blueair Blue Pure 211+ Auto – Full Comparison 2025″,”description”:”Compare Levoit Core 400S Smart vs Blueair Blue Pure 211+ Auto side by side. Detailed specs, price, pros and cons. Find out which is better.”,”author”:{“@type”:”Organization”,”name”:”VersusNest”,”url”:”https://versusnest.com”},”datePublished”:”2025-04-09″,”dateModified”:”2025-04-09″}