| 🔧 Design | A pen-like tool with vertical needle motion | A rolling drum with microneedles |
| 🎯 Precision | High – targets small or sensitive areas | Lower – covers large areas faster |
| 💉 Needle Motion | Vertical stamping (up and down) | Rolling motion (angled insertion) |
| 🔍 Needle Insertion | Perpendicular – less skin tearing | Angled – may cause minor skin trauma |
| 🤕 Pain Level | Generally less painful | May cause more irritation/redness |
| 🧬 Best For | Acne scars, deep wrinkles, stretch marks | Overall skin rejuvenation, pigmentation |
| 🧴 Product Absorption | Excellent – precise serum infusion | Good – but less targeted |
| 📍 Treatment Area | Small areas (scars, under eyes, nose, etc.) | Larger areas (cheeks, forehead, neck, body) |
| 🔄 Control | High – you stamp exactly where you want | Lower – roller glides across skin surface |