Best Blood Pressure Monitors · head-to-head

Withings BPM Connect vs iHealth Track KN-550BT

A sourced, side-by-side comparison. iHealth Track KN-550BT is cheaper at $39.99. Every spec and price links to its source.

Which is better: the Withings BPM Connect or iHealth Track KN-550BT?

On the specs we track, they're closely matched. The iHealth Track KN-550BT is the cheaper at $39.99.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Withings BPM Connect iHealth Track KN-550BT
US price $129.95 $39.99
BrandWithingsiHealth
Released2016
Type upper_arm upper_arm
Cuff range (in) 9–17 in 8.6–18.9 in
Memory readings 8 99
User profiles 1
Bluetooth app Yes Yes
Irregular heartbeat detection No Yes
Clinically validated Yes Yes
Release 2016

Sources — Withings BPM Connect: withings.com (verified 2026-06-19). iHealth Track KN-550BT: medgrade.org (verified 2026-06-19).

What's the difference between the Withings BPM Connect and iHealth Track KN-550BT?

Where the two actually differ on the specs we track (3 of 7). Matching specs are omitted.

  • Cuff range (in): Withings BPM Connect 9–17 in vs iHealth Track KN-550BT 8.6–18.9 in
  • Memory readings: Withings BPM Connect 8 vs iHealth Track KN-550BT 99
  • Irregular heartbeat detection: Withings BPM Connect false vs iHealth Track KN-550BT true

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Withings BPM Connect

Three hands-on write-ups survived verification: two Digital Trends reviews (2019 and 2023) and a 2024 Tom's Guide deals piece whose author uses the BPM Connect daily, all covering the exact Withings BPM Connect. All three praise its compact, portable, stylish design and the clear Withings Health Mate app; the two Digital Trends reviewers add that operation is one-button-simple and that readings tracked clinical/reference devices (about 95 percent agreement). Flags come mainly from the 2023 review: a hidden dot-matrix LED display harder to read than an LCD, Wi-Fi setup that only works on 2.4GHz and failed on a dual-band router, and a dated MicroUSB charging port. Tom's Guide noted its readings ran slightly higher than an Omron cuff. No RTINGS/lab benchmark exists. (3 sourced reviews, 2 lab-tested.)

Praised: Compact, portable, stylish all-in-one design; Clear, informative Withings Health Mate app; Simple one-button operation, very easy to use.

Flagged: Hidden LED dot-matrix display is harder to read than an LCD; Wi-Fi setup fails on dual-band routers (2.4GHz only); Dated MicroUSB charging port.

iHealth Track KN-550BT

Thin coverage: only Wirecutter's fetchable text covers this exact model, and it is negative — in hands-on testing the iHealth Track "produced inconsistent readings in our tests," so it missed their picks. TechGearLab's page was unreachable during harvest, and Consumer Reports, Forbes Health, and MedGrade fall outside the genuine-tester whitelist. Treat this single-source verdict cautiously. (1 sourced review, 1 lab-tested.)

Flagged: Inconsistent readings in Wirecutter's hands-on testing kept it out of their recommended picks.

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