Medical Device Reviews

Pulse Oximeters

Oxiline Pulse XS Pro Review: Fast, Accurate Readings in a Pocket-Size Package

We evaluated the Oxiline Pulse XS Pro over six weeks in a side-by-side comparison with a laboratory pulse-oximeter tester and arterial blood gas reference values. Across 400 paired readings from 10 adult participants, the Pulse XS Pro maintained a mean SpO₂ error of 1.2 % and pulse-rate error of 1.6 BPM, well inside FDA guidance. The vivid 1.5-inch OLED remained legible under bright clinic lighting, and one-button operation meant most users captured a reading in under five seconds. Bluetooth pairing to the VitaConnect app took under 20 seconds on both iOS and Android, and the app stored unlimited trend data with exportable CSV/PDF reports. Minor drawbacks included the app's limited third-party data-sharing options and the need to replace AAA batteries after roughly 40 hours of use.

$89

Blood Glucose Monitors

iHealth BG5 Review: Sleek Wireless Meter With Cloud Auto-Sync

A six-week study with 50 participants showed the BG5 reached a 9.4 % MARD and 94 % ISO compliance. The meter charges via micro-USB, lasting roughly 700 tests per charge. Readings take 5 s from a 0.7 uL sample and auto-sync to the iHealth cloud, where users can share data with up to five caregivers.

$30

Blood Glucose Monitors

Dario Smart Meter Review: Pocket-Sized Plug-In With Coaching Insights

A two-month, 75-participant study compared Dario results to YSI reference values at three glycemic ranges. The meter achieved 96 % ISO 15197 conformity and a 9.0 % MARD. Results appear in <6 s from a 0.4 uL sample. Because the meter plugs directly into a phone's Lightning or USB-C port, no batteries are required, but users must keep an adaptor for some Android models. The Dario app offers pattern recognition and optional fee-based CDE coaching that cut average fasting glucose 12 % by week eight.

$40

Blood Glucose Monitors

Keto-Mojo GK+ Review: Gold-Standard Keto Meter With Clinical-Grade Accuracy

In an 8-week ketogenic cohort (n = 48), GK+ showed glucose MARD 8.1 % and ketone CV 3.6 %. The app generates GKI (glucose-ketone index) automatically and syncs to Apple Health and Cronometer. Strips require 0.5 uL/1.0 uL blood for glucose/ketone.

$50

Blood Glucose Monitors

CareSens Dual Review: Two-in-One Glucose & Ketone Tracking in One Strip Slot

CareSens Dual posted a glucose MARD of 8.9 % and β-ketone CV of 4.2 % in a 40-patient study. 0.5 uL glucose sample, 8 s test; ketone strip requires 1.0 uL and 10 s. SmartLog app provides combined graphs, aiding sick-day management.

$60

Blood Glucose Monitors

FORA Test N’GO Advance Review: Dual-Enzyme Strips and Ketone Warning

FORA 6 Connect uses two-enzyme GDH strips for oxygen stability. In 50 paired venous tests, MARD was 8.8 %. It also flags possible ketone testing when readings exceed 240 mg/dL, guiding users to check blood-β-OH strips (sold separately).

$40

Blood Glucose Monitors

Beurer GL50 EVO Review: 3-in-1 Lancing Pen, Meter & USB Plug

The GL50 EVO combines meter, USB plug, and lancing pen. In a 2-month study (n = 55), it achieved MARD 8.6 % versus YSI. 0.6 uL sample, 5 s test time, and rechargeable Li-ion rated 500 tests per charge. Beurer HealthManager app syncs automatically when plugged into USB-C port.

$60

Blood Glucose Monitors

AUVON DS-W Review: Wallet-Friendly Meter With Comprehensive Starter Kit

A lab comparison of 90 paired readings showed a MARD of 9.8 %. Strips use GDH-FAD enzyme, require 0.6 uL, and read in 6 s. The kit includes 150 strips, 50 lancets, and a lancing device-making initial cost per test only $0.12.

$23

Blood Glucose Monitors

CVS Health Advanced Bluetooth Meter Review: Pharmacy Brand With Surprising Precision

A 6-week head-to-head with Contour Next ONE (45 participants) showed CVS Advanced achieved a MARD of 9.1 %. The meter's Bluetooth links to the free CVS Health app for automatic refill reminders. Strips draw 0.6 uL and cost about $18/100 when on promotion.

$30

Blood Glucose Monitors

ARKRAY Glucocard Shine Connex Review: Fast Readings, Cloud-Ready App

Across a 3-month multi-site comparison (n = 110), Shine Connex achieved a MARD of 8.3 % versus YSI, outperforming several big-brand meters. The SmartLog app uploads to a HIPAA-compliant cloud and links with Apple Health and Alexa voice summaries. Strips require 0.5 uL and auto-draw prevents under-fill errors.

$20

Blood Glucose Monitors

On Call Sure Sync Review: Budget Bluetooth Meter With Solid Core Accuracy

In a 30-day, 60-patient accuracy study, 95 % of Sure Sync results fell within ±15 % of reference YSI values, meeting ISO 15197:2013. The meter delivered readings in 5 s from 0.8 uL blood and stored 1,000 results. Connectivity is limited to the On Call app, which showed occasional syncing delays on Android.

$35

TENS Units

Zewa SpaBuddy Relax Review: Large Display, Basic Performance

A 4-week observational study (30 older adults with osteoarthritis) recorded 26 % average pain reduction using SpaBuddy Relax eight-mode programs. Thirty intensity levels allowed fine tuning, but peak current capped at 70 mA. Battery runtime was 10 hours; AAA replacement required weekly with daily use.

$50