cgm
Worth a lookShows a $8.8M/yr market, but a concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list.
Market size
Incredible$8.8M$8.8M/yr · 1.6M searches
Quality gap
Incredible3.2★avg incumbent rating — lower means beatable quality
Returns
Great1.3%return rate — above 6% kills the launch gate
Avg price
Great$84.71avg listing price — sweet spot $15–$100
Price range
Great$45.17–$111.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.6%search→purchase rate — share of searches ending in a sale
Review moat
Okay3,445.5avg incumbent reviews — the moat a new listing must climb
Growth
Okay+0.4%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 flat
Sellers
7
Top-5 brand share
100%
Open market
0%
- Stelo83%
- Lingo17%
- Open — no brand owns it (0%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Stelo Glucose Biosensor & App by Dexcom - A Leader in Continuous Glucose Monitoring (CGM). 24/7 Tracking & Personalized Insights to Reveal Patterns. 2-Pack (Up to 15 Days Each). iOS & Android.
Stelo$94.722.9★4,165 rev
Lingo Continuous Glucose Monitor (CGM). Made by Abbott. Optimize Your Nutrition with Real-time Glucose Data & Insights. 1 Lingo biosensor lasts up to 14 Days*. Works with iOS and Android. US Only.
Lingo$45.173.0★4,783 rev
Stelo 2 pack
Stelo$111.773.9★51 rev
Lingo Continuous Glucose Monitor (CGM) & App (Pack of 2). Made by Abbott. Optimize Your Nutrition with Real-time Glucose Data & Insights. 1 Lingo biosensor lasts up to 14 Days*. Works with iOS and Android. US Only.
Lingo$87.173.0★4,783 rev
Newest
by launch dateStelo 2 pack
Stelo$111.7751 rev
Lingo Continuous Glucose Monitor (CGM) & App (Pack of 2). Made by Abbott. Optimize Your Nutrition with Real-time Glucose Data & Insights. 1 Lingo biosensor lasts up to 14 Days*. Works with iOS and Android. US Only.
Lingo$87.174,783 rev
Stelo Glucose Biosensor & App by Dexcom - A Leader in Continuous Glucose Monitoring (CGM). 24/7 Tracking & Personalized Insights to Reveal Patterns. 2-Pack (Up to 15 Days Each). iOS & Android.
Stelo$94.724,165 rev
Lingo Continuous Glucose Monitor (CGM). Made by Abbott. Optimize Your Nutrition with Real-time Glucose Data & Insights. 1 Lingo biosensor lasts up to 14 Days*. Works with iOS and Android. US Only.
Lingo$45.174,783 rev
Trending
90-day click momentumLingo Continuous Glucose Monitor (CGM) & App (Pack of 2). Made by Abbott. Optimize Your Nutrition with Real-time Glucose Data & Insights. 1 Lingo biosensor lasts up to 14 Days*. Works with iOS and Android. US Only.
Lingo$87.173.0★
Stelo 2 pack
Stelo$111.773.9★
Lingo Continuous Glucose Monitor (CGM). Made by Abbott. Optimize Your Nutrition with Real-time Glucose Data & Insights. 1 Lingo biosensor lasts up to 14 Days*. Works with iOS and Android. US Only.
Lingo$45.173.0★
Stelo Glucose Biosensor & App by Dexcom - A Leader in Continuous Glucose Monitoring (CGM). 24/7 Tracking & Personalized Insights to Reveal Patterns. 2-Pack (Up to 15 Days Each). iOS & Android.
Stelo$94.722.9★
Demand
Weekly Amazon search volume, last 42 weeks — +0.4% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great tool for your health”
“Easy to put on”
“improve my sugar levels”
“Other than that the device itself has been good”
“Seems that some sensors are accurate”
“Accurate and affordable”
“Saves lots of money”
“The instructions are clear”
“Works on occasion”
“Easy to apply”
What buyers complain about
“Broken after 2 days”
“Constantly disconnects”
“Absolutely inaccurate”
“Did not work”
“They are expensive”
“it raises blood sugar”
“Not even close to accurate”
“Bad quality”
“1 said 'incompatible'”
“App was not good”