SteloReviews of stelo.com

It is astounding how bad the Stelo has gotten. When I first started using it over a year ago, it was spot on accurate and I really trusted the numbers. The last several I have gotten have been wildly inaccurate. With the numbers often reporting over a hundred points higher than my actual number. Now all it does is create anxiety. I canceled my membership and I'm just using the last couple that I had. But i'm finding the results are just as off , so they're going in the trash. I don't know what happened to the company in the last year, but my guess is they started using different, perhaps cheaper parts and now have created an absolutely inferior product. Too bad! I have always found customer service helpful.But what is the point of replacing a bad sensor with another bad sensor? Waste of time and energy

I have used dexcom 7 and stelo over several years and since stelo can NOT be calibrated, I continue to be disappointed with the inaccurate readings versus finger stick readings. As others have noted the stelo reads 10 to 20 units high and prevents reliable measurements.

UPDATE 1/8/2026 I had a nice conversation with both dexcom and stello about my problems. They were happy to send replacements but I did not want to continue with the system. I realize I had different expectations of what the CGM does and how it reads. I think ultimately the advertising for it's use lead to this. Customer service from both companies was excellent and educational. I think this is the greatest benefit of using this sensor is education on blood sugar and it's effect on the body. I feel some of my frustration has to do with hi tech items can sometimes not work as planned. For instance two out of four sensors did not pair and that can happen. I want to stress I learned a lot about BS and think the system does work, it is just I was expecting different expectations and I will now reevaluate. AGAIN BOTH COMPANIES WERE VERY SUPPORTIVE AND HELPFUL AND FRIENDLY with advice to help me on this journey of health and wellness. Two out of six sensors did not pair. Another two gave bad readings all the time (confirmed by standard glucose monitor). Two sensors were not accurate for 40% of the time (confirmed by standard glucose meter). This system measures glucose in interstitial fluid, not glucose in blood. According to Dexcom, this is for lifestyle use, so not really medical use as it is not really accurate all the time

The patch falls off. When it does not fall off, it stops working well before the end of the payment period. We have used it for four months and will not continue as the daily cost is quite high given the fact that we are only getting about 40% of the paid-for time.

VERY DISAPPOINTED for a product that is EXPENSIVE and being used to help me STAY ALIVE. All four of my sensors failed in one way or another. The company is horrible. You talk to chatbots and there is no record of your chats. Find a different CGM company if you don't want to be stressed out and therefore raise your blood sugar just from trying to use their product!

Received two sensors that wouldn’t activate. I followed the setup exactly as instructed, but both failed within minutes. Their return system is useless, and support is just a formality no one reads the messages. Basically spent $100 on dead sensors.

I have tried multiple times to purchase, the website has a glitch and says the address doesn't match the credit card. I have tried multiple cards and FSA, cannot purchase. I could never talk to a live person. Last time, the bot told me to buy from Amazon, at a higher price.

The stelo sensor doesn't work 50% of the time. You will be lucky if you get a replacement for one - I bought 6 in a batch and 4 failed. They replaced one. So I lost $120 (3 x $40). You can't talk to someone on the phone. Chat only is available. Good luck with chatting with overseas customer service reps, begging for a replacement.