Good70/100
- Great brush performance
- iO brush design
- Cleaning training in real time
- 12 hours charging time
- Maximum battery life of two weeks
- App use essential for brush settings
The iO Series 5 is one of the most affordable smart toothbrushes in the iO range. It has fewer functions than the more expensive models, but everything you need - except the quick charge. However, we think you'll probably be ditching the real-time coaching soon enough.