TRUE COST Lifetime cost Best alternative Lower handle cost with similar ongoing head replacement pressure. ComparisonPhilips Sonicare 6100 Review
3 years of ownership
Oral-B iO 3
Philips Sonicare 6100 True Cost Compared
Metric
Philips Sonicare 6100
Oral-B iO 3
Manual Toothbrush
Purchase price
£89
£70
£3
Annual running cost
£19
£21
£12
Ownership cost
£146
£133
£39
Cost per use
£0.07
£0.06
£0.02
Value note
Good feature set, but branded heads are the main recurring cost.
Lower handle cost with similar ongoing head replacement pressure.
Very low cost, but replacement cadence still matters.
Handle
£89
Brush heads
£54
Electricity
£3
Total (3 years)
£146
Cost per brush
£0.07
Compared with
Manual Toothbrush
Manual Toothbrush
£39
Save
£0