Garmin Index S2 Smart Scale vs RENPHO Smart Body Fat Scale (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Garmin Index S2 Smart Scale

9.0/10 Excellent

4.4★ (6,200 owners)

BMI, body fat, muscle, bone mass, hydration, Garmin Connect sync, up to 16 users. Garmin's smart scale.

Full Review

RENPHO Smart Body Fat Scale

8.8/10 Great

4.5★ (62,000 owners)

13 body metrics, Bluetooth, app, 400lb capacity. The scale with 62,000 Amazon reviews.

Full Review

At a Glance

	Garmin Index S2 Smart Scale	RENPHO Smart Body Fat Scale
247Verdict Score	9.0/10	8.8/10
Owner Rating	4.4★ (6,200)	4.5★ (62,000)
Verdict	Excellent	Great
Metrics	Weight, BMI, fat, muscle, bone, water	13 body composition
Users	Up to 16	Up to 8 (auto-recognize)
Sync	Wi-Fi	Bluetooth

Quick Verdict

Both are strong choices, but the Garmin Index S2 Smart Scale edges ahead with a 9.0/10 vs 8.8/10. BMI, body fat, muscle, bone mass, hydration, Garmin Connect sync, up to 16 users. Garmin's smart scale. That said, the RENPHO Smart Body Fat Scale is worth considering if 13 body metrics, Bluetooth, app, 400lb capacity. The scale with 62,000 Amazon reviews. Check the current price on Amazon →

Pros & Cons Side by Side

Garmin Index S2 Smart Scale

Garmin Connect integration syncs with Garmin watch health data for unified body composition tracking
Supports 16 user profiles — the most of any reviewed smart scale
Measures weight, BMI, body fat, skeletal muscle, bone mass and body water
Colour display shows historical trends directly on the scale without needing the app
Compatible with Garmin watches for full health ecosystem integration

Premium pricing requires Garmin ecosystem to justify — standalone it trails Withings Body+ value
Colour display adds battery usage — replaces batteries more frequently than basic alternatives
16 users is more than most households need — most will use 2-4

RENPHO Smart Body Fat Scale

62,000 Amazon reviews at 4.5★ — the most reviewed smart scale on Amazon globally
13 body composition metrics including BMI, body age, protein and metabolic rate
Under £25 — most affordable body composition smart scale available
Renpho app connects to Apple Health, Fitbit and Google Fit
Auto-recognition identifies up to 8 users from step-on behaviour

Bluetooth only — requires phone proximity for sync (vs Withings' Wi-Fi auto-sync)
13 metrics sounds comprehensive but most are calculated estimates, not direct measurements
App has more ads and upsell prompts than Withings Health Mate

FAQ

Which is better, Garmin Index S2 Smart or RENPHO Smart Body Fat?

Is the Garmin Index S2 Smart worth the extra cost?

Yes — Garmin Index S2 Smart Scale scores higher at 9.0/10 vs 8.8/10.

Who is the Garmin Index S2 Smart best suited to?

BMI, body fat, muscle, bone mass, hydration, Garmin Connect sync, up to 16 users. Garmin's smart scale.

Who is the RENPHO Smart Body Fat best suited to?

13 body metrics, Bluetooth, app, 400lb capacity. The scale with 62,000 Amazon reviews.

What are the main downsides of each?

Garmin Index S2 Smart Scale: Premium pricing requires Garmin ecosystem to justify — standalone it trails Withings Body+ value; Colour display adds battery usage — replaces batteries more frequently than basic alternatives. RENPHO Smart Body Fat Scale: Bluetooth only — requires phone proximity for sync (vs Withings' Wi-Fi auto-sync); 13 metrics sounds comprehensive but most are calculated estimates, not direct measurements.

Do owner ratings agree with our verdict?

Largely, yes — Garmin Index S2 Smart Scale sits at 4.4★ from 6,200 verified Amazon owners, and RENPHO Smart Body Fat Scale at 4.5★ from 62,000.

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