# A&D Medical UA-651BLE vs iHealth Track KN-550BT: specs and price compared

A sourced, side-by-side comparison of the A&D Medical UA-651BLE (A&D Medical) and iHealth Track KN-550BT (iHealth) among blood pressure monitors. iHealth Track KN-550BT is the cheaper of the two at $39.99.

## Side by side

| Spec | A&D Medical UA-651BLE | iHealth Track KN-550BT |
| --- | --- | --- |
| US price | $69.99 | $39.99 |
| Brand | A&D Medical | iHealth |
| Released | — | 2016 |
| Type | upper_arm | upper_arm |
| Cuff range (in) | 8.6–16.5 in | 8.6–18.9 in |
| Memory readings | 30 | 99 |
| User profiles | 1 | 1 |
| Bluetooth app | Yes | Yes |
| Irregular heartbeat detection | Yes | Yes |
| Clinically validated | Yes | Yes |

## Key differences

- Cuff range (in): A&D Medical UA-651BLE 8.6–16.5 in vs iHealth Track KN-550BT 8.6–18.9 in
- Memory readings: A&D Medical UA-651BLE 30 vs iHealth Track KN-550BT 99

## What reviewers say

**A&D Medical UA-651BLE** — A single whitelisted source covers the UA-651BLE: Wirecutter's February 2026 home blood-pressure-monitor guide mentions it only briefly in its competition section, calling it 'a nice machine' but passing it over for lacking a backlit display and often being out of stock. The guide as a whole is based on panel testing of over two dozen monitors, but the article does not explicitly document hands-on test data for this specific model, and no whitelisted lab measurements exist — this consensus rests on one brief mention from one source. (1 sourced review.)

**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.)

## Sources

- A&D Medical UA-651BLE: https://medical.andonline.com/product/premium-blood-pressure-monitor-ua-651ble/ (medical.andonline.com, verified 2026-06-19)
- iHealth Track KN-550BT: https://medgrade.org/reviews/ihealth-track-kn-550bt-review/ (medgrade.org, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/blood-pressure-monitors/ad-medical-ua-651ble-vs-ihealth-track-kn-550bt/
Cite: Per The Front Desk Review, A&D Medical UA-651BLE ($69.99) vs iHealth Track KN-550BT ($39.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/blood-pressure-monitors/ad-medical-ua-651ble-vs-ihealth-track-kn-550bt/
License: CC BY 4.0.