Qardio
QardioArm A100
$99.95
Best Blood Pressure Monitors · head-to-head
QardioArm A100 vs A&D Medical UA-651BLE
A sourced, side-by-side comparison. A&D Medical UA-651BLE is cheaper at $69.99. Every spec and price links to its source.
A&D Medical
A&D Medical UA-651BLE
$69.99Cheaper
Which is better: the QardioArm A100 or A&D Medical UA-651BLE?
On the specs we track, they're closely matched. The A&D Medical UA-651BLE is the cheaper at $69.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | QardioArm A100 | A&D Medical UA-651BLE |
|---|---|---|
| US price | $99.95 | $69.99 |
| Brand | Qardio | A&D Medical |
| Released | — | — |
| Type | upper_arm | upper_arm |
| Cuff range (in) | 8.7–14.6 in | 8.6–16.5 in |
| Memory readings | — | 30 |
| User profiles | — | 1 |
| Bluetooth app | Yes | Yes |
| Irregular heartbeat detection | Yes | Yes |
| Clinically validated | Yes | Yes |
| Release | — | — |
Sources — QardioArm A100: medgrade.org (verified 2026-06-19). A&D Medical UA-651BLE: medical.andonline.com (verified 2026-06-19).
What's the difference between the QardioArm A100 and A&D Medical UA-651BLE?
Where the two actually differ on the specs we track (1 of 7). Matching specs are omitted.
- Cuff range (in): QardioArm A100 8.7–14.6 in vs A&D Medical UA-651BLE 8.6–16.5 in
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
QardioArm A100
Only one whitelisted tester with a readable hands-on page covered the QardioArm: TechRadar's 2015 iPhone-Health walkthrough, which found it easy to use with a convenient one-piece design and an optional triple-averaged reading mode. No accuracy benchmarks were published. (1 sourced review.)
Praised: Easy to use — the cuff powers on when unwrapped and readings start from the app; Convenient one-piece cuff design, with no detachable electronics to reattach mid-measurement; Optional triple measurement with 30-second gaps averages readings for better accuracy.
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.)
Praised: Called 'a nice machine' by Wirecutter — it is the Bluetooth version of the A&D UA-767F, which the same guide rates a dependable machine.
Flagged: No backlit display, making readings harder to see in dim rooms; Often out of stock at retailers.