Oral-B Smart 4 vs Oral-B iO Series 6
3 recorded spec differences. Oral-B iO Series 6 is currently the cheaper of the two on Amazon.sa (SAR 542 vs SAR 530, checked 3 Nov 2026).
Specifications side by side
| Spec | Oral-B Smart 4 | Oral-B iO Series 6 |
|---|---|---|
| Cleaning and gum protection | ||
| Cleaning modes | 3 | 5 |
| Pressure sensor | Yes | Yes |
| Brushing timer | Yes | Yes |
| Battery and travel | ||
| Travel case | — | Yes |
| Battery life | 14 days | 14 days |
| App and accessories | ||
| Brush heads included | 1 | 3 |
| Weight | 1,200 g | 750 g |
| Dimensions | — | 9.7 x 17.5 x 24.8 cm |
| Phone app | Yes | Yes |
| Warranty | 2 years | 2 years |
Highlighted rows differ. Facts come from each Amazon.sa listing. As an Amazon Associate we earn from qualifying purchases. Buying through our links costs you nothing extra.