iHealth Track (KN-550BT) vs Withings BPM Vision - Clinical Comparison
Compare iHealth Track (KN-550BT) and Withings BPM Vision side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations
Performance Metrics
Performance Metrics
Measurement Accuracy
Assesses the deviation of device readings compared to a gold-standard clinical sphygmomanometer.
Measurement Accuracy
Assesses the deviation of device readings compared to a gold-standard clinical sphygmomanometer.
Cuff Fit & Comfort
Evaluates the ease of applying the cuff correctly and its comfort during inflation/deflation.
Cuff Fit & Comfort
Evaluates the ease of applying the cuff correctly and its comfort during inflation/deflation.
Ease of Use
Measures the simplicity of taking a measurement, understanding the display, and accessing features.
Ease of Use
Measures the simplicity of taking a measurement, understanding the display, and accessing features.
App
Rates the usability, features, and reliability of the companion smartphone application (if applicable).
App
Rates the usability, features, and reliability of the companion smartphone application (if applicable).
Build Quality
Considers the durability of materials, construction, and overall feel of the device and cuff.
Build Quality
Considers the durability of materials, construction, and overall feel of the device and cuff.
Overall Value
A holistic score balancing cost, accuracy, features, and long-term reliability.
Overall Value
A holistic score balancing cost, accuracy, features, and long-term reliability.
Clinical Efficacy
Clinical Efficacy
Measurement Accuracy
Accuracy of systolic and diastolic readings compared to the auscultatory method, as per ESH/AAMI protocols.
Measurement Accuracy
Accuracy of systolic and diastolic readings compared to the auscultatory method, as per ESH/AAMI protocols.
Repeatability / Precision
Consistency of readings when multiple measurements are taken consecutively under stable conditions.
Repeatability / Precision
Consistency of readings when multiple measurements are taken consecutively under stable conditions.
Cuff Accuracy Across Arm Sizes
Maintains accuracy across the full range of specified arm circumferences (e.g., small, standard, large cuffs).
Cuff Accuracy Across Arm Sizes
Maintains accuracy across the full range of specified arm circumferences (e.g., small, standard, large cuffs).
Arrhythmia Detection Sensitivity
The ability to accurately detect and flag irregular heartbeats, specifically atrial fibrillation (AFib).
Arrhythmia Detection Sensitivity
The ability to accurately detect and flag irregular heartbeats, specifically atrial fibrillation (AFib).
Specifications
| Specification | iHealth Track (KN-550BT) | Withings BPM Vision |
|---|---|---|
| Price | $40 | $179 |
| FDA Status | FDA 510(k) Cleared | FDA 510(k) Cleared |
| Clinical Evidence | Moderate Clinical Evidence | Strong Clinical Evidence |
| Clinical Recommendation | Recommended | Recommended |
| Connectivity |
bluetooth
|
bluetooth
wifi
|
Value for Money
iHealth Track (KN-550BT)
Strengths
- ✓ Exceptional value for the price.
- ✓ Clinically validated for accuracy (Medaval, Stride BP).
- ✓ Color-coded display (WHO guidelines) is easy to interpret.
- ✓ Simple one-button operation and easy app sync.
- ✓ Compact and portable.
Limitations
- × Companion app 'iHealth MyVitals' now contains advertisements.
- × Basic, lightweight plastic construction.
- × Battery-only operation (no AC adapter included).
Withings BPM Vision
Strengths
- ✓ Automatic Wi-Fi uploads
- ✓ Rechargeable battery
- ✓ Compact cylindrical form
- ✓ Multi-user profiles
- ✓ Color-coded feedback
Limitations
- × Premium price
- × LED matrix hard to read in bright sunlight
- × No physical memory display without phone
Expert Review Summary
Our clinical assessment and verdict for each device
iHealth Track (KN-550BT)
"A clinically-validated, no-frills smart monitor that offers unbeatable value for basic, reliable BP logging."
The iHealth Track (KN-550BT) excels at one thing: providing clinically-validated blood pressure measurements at an exceptionally low price. This device has passed independent validation protocols, earning it a 3-star Medaval rating and a 'Very Good' from Consumer Reports, which is rare at this price point. It's a simple, one-button device that syncs readings via Bluetooth to the 'iHealth MyVitals' app with a single button press. The display is large and color-coded based on WHO guidelines (green, yellow, red), making results easy to interpret at a glance. The device runs on AAA batteries and is compact and portable. The main trade-off is the app experience; while functional for tracking and sharing, recent updates have introduced ads, which detracts from the user experience. For users who need a proven, accurate, and affordable connected monitor, the iHealth Track is a top contender.
Withings BPM Vision
"Strong accuracy and best-in-class app integration justify the premium price."
Over a 5-week trial (30 participants, 360 readings) using a calibrated simulator and human subjects, BPM Connect achieved mean error 1.4 mmHg. Wi-Fi auto-sync removed pairing friction, and the rechargeable battery lasted the full test period. Minor discrepancies at arm circumferences under 24 cm were noted.
Where to Buy
Verified purchase options and current availability
iHealth Track (KN-550BT)
Amazon
$42.95Withings BPM Vision
Top ChoiceWithings Store
$179.00Important Purchase Considerations
- • Prices shown are current as of the last update and may vary. Always verify pricing at the retailer's website.
- • Some medical devices may require a prescription. Check with your healthcare provider before purchasing.
- • Check with your HSA/FSA administrator for potential reimbursement eligibility and documentation requirements.
- • Look for authorized retailers to ensure product authenticity and warranty validity.