Withings Body Comp vs Garmin Index S3: which smart scales should you pick?
Our independent head-to-head from the 2026 edition of Best Smart Scales.
Withings Body Comp
Most polished smart scale and ecosystem.
9/ 10
Garmin Index S3
Smart scale for Garmin households.
7.8/ 10
Head-to-head
| Withings Body Comp | Garmin Index S3 | |
|---|---|---|
| Our score | 9/10 | 7.8/10 |
| Pricing | $199 | $149 |
| Best for | All-around best, especially in the Withings ecosystem | Garmin Connect users |
| Platforms | iOS, Android | iOS, Android |
Pros & cons
Withings Body Comp pros
- Best weight precision
- Excellent Health Mate app
- Heart-rate / pulse-wave-velocity features
Withings Body Comp cons
- Premium price
- Some features behind Withings+ subscription
Garmin Index S3 pros
- Tight Garmin integration
- Multi-user is reliable
Garmin Index S3 cons
- Body comp accuracy is fine, not great
Our verdict
Winner: Withings Body Comp. If you want a scale that just works and looks good, Withings is the default.
In short
- Withings Body Comp – If you want a scale that just works and looks good, Withings is the default.
- Garmin Index S3 – Buy it because you live in Garmin Connect.
See the full best smart scales ranking for every app in this category, or browse all head-to-heads.