Dario Lightning Glucose Monitor vs iHealth BG5S100 Glucose Monitor
If you are shopping for a home blood glucose monitor, the Dario Lightning and the iHealth BG5S100 are two popular options worth comparing side by side. The Dario Lightning lists for about $49.95 and carries a 4.2 star rating across roughly 9,100 reviews, which is one of the larger review counts in this category. The iHealth BG5S100 is priced lower at about $32.99 and holds a slightly higher 4.3 star average from around 4,100 reviews. Both are informational picks rather than clinical recommendations, so this page focuses on the published facts we can verify. Always follow your healthcare professional's guidance on how to use any glucose meter.
Quick winner
The iHealth BG5S100 costs less and edges out a slightly higher rating, while the Dario Lightning has a much larger pool of customer reviews.
Key differences, measured
- The iHealth BG5S100 is 34% cheaper ($32.99 vs $49.95).
The two contenders
Dario Lightning Glucose Monitor

The Dario Lightning Glucose Monitor is the higher priced of the two at roughly $49.95. Its standout number is its review volume, with about 9,100 ratings, which suggests a long track record of buyers. The overall score of 4.2 stars is solid, sitting just under the iHealth average. Detailed specifications such as display type and accuracy figures are not listed in our data, so we describe only what the manufacturer and customer numbers show. If you value a product with extensive customer feedback, the Dario Lightning gives you the most reviews to read through.
Buy this if: ['Shoppers who want a meter backed by a very large number of customer reviews.', 'Buyers comfortable spending a bit more, around $49.95, for a widely rated brand.']
Check price on AmazoniHealth BG5S100 Glucose Monitor

The iHealth BG5S100 Glucose Monitor comes in at about $32.99, making it the more affordable choice here. It earns a 4.3 star average from roughly 4,100 reviews, a slightly higher score than the Dario Lightning. The listed weight is about 0.32 pounds, so it is a light, compact unit to keep on a counter or in a bag. Other specifications such as display and accuracy are not provided in our data, so we avoid stating figures we cannot confirm. For shoppers focused on a lower price and a strong rating, the iHealth BG5S100 is an easy one to consider.
Buy this if: ['Shoppers looking for the lower price of the two, near $32.99.', 'People who prefer a light, compact monitor at about 0.32 pounds.', 'Buyers who want the slightly higher overall rating of 4.3 stars.']
Check price on AmazonFrequently asked questions
Which monitor is cheaper, the Dario Lightning or the iHealth BG5S100?
Based on our listed prices, the iHealth BG5S100 is the cheaper option at about $32.99, while the Dario Lightning lists for around $49.95. Prices can change over time, so check the current listing before you buy.
Which one has the better customer rating?
The iHealth BG5S100 has a slightly higher average of 4.3 stars from about 4,100 reviews. The Dario Lightning sits at 4.2 stars but from a much larger pool of roughly 9,100 reviews. Both ratings are strong, so the gap is small.
How heavy are these glucose monitors?
The iHealth BG5S100 is listed at about 0.32 pounds, which is very light. A weight figure is not provided for the Dario Lightning in our data, so we cannot give a direct comparison there.
Can these monitors replace advice from my doctor?
No. HealthQuay is informational only and these devices are home monitoring tools, not a substitute for professional care. Always consult a healthcare professional about how to track your glucose and what your readings mean for you.