Review Time
One of the worst products in the market. I doubt the legitimacy of the business itself, given the kind of pricing and the product quality. These guys wont last long in the business, I can tell for sure. The product is a complete crap, it throws random numbers, 5 minutes the readings go up the next 5 minutes they go down and again up. Completely random !!!
One of the worst products in the market. I doubt the legitimacy of the business itself, given the kind of pricing and the product quality. These guys wont last long in the business, I can tell for sure. The product is a complete crap, it throws random numbers, 5 minutes the readings go up the next 5 minutes they go down and again up. Completely random !!!
placed a new device on my arm and the reading was showing betwen 3.3 and 3.5. I had to consume lots of suger to boost my suger level but it didn't change.then I went to check with the normal manual device and I found it above 7.5.when I spoke to Sunny from cutomer support team , he told me that it takes up to 2 days for the device to adjust to the body, which never happened before. Sunny from custmer support beleive this is very normal and I shouldn't rely on it and keep using the normal device.when I told him how can I trust it after the 2 days , he didn't responde back to my question.
Good product and software. Easy to use and send everything in the package, including the patch, unlike all of the competitors—that too even half of the cost of other brands. People who complains about the accuracy, comparing it to the blood test, does not understand how CGM works. CGM detect the glucose level after some time not real time. This helped me to get into the rhythm of having good food habits.
Easy to navigate the app for lots of data and get a downloadable review of your last and previous CGM . Very easy to apply and wear small size and low profile with a 15day active period which makes using Ottai CGM very cost effective when compared to others. For type 2 users this is very economical
I am type 2 and managing it with food control and metformin. I bought Ottai after reading all the positive reviews from all sources in the internet and socmed. Yes, the product and apps are indeed easy to use. The product feels and looks high quality. The app and sensor seems to work seamlessly. Customer service is good and responsive.My only problem from both sensors I’ve used so far, gave a big deviation of 25% - 30% from finger-prick.The first one got significant deviation reading after the 3rd day, I reported to the customer service and it was replaced with a new one.When the second one also gave a bigger deviation ie up to 30% after the second day, I decided not to report and just continue using just for the sake of completing the pattern for spikes.I am hopeful for my 3rd sensor. I bought 4 sensors during the 12.12 promo and this is my first experience with a CGM device. My advice to new users, need to finger-prick the standard time - before and two hours after eating to compare and confirm accuracy. Need to finger-prick when reading goes too high or too low. Do it already on the first day you apply the sensor. As mentioned I don’t rely on the accuracy of readings for now. So will continue doing finger-prick. And using the pattern for my food control reference
The app is great, although a bit confusing in places. Ease of application of the monitor is great. The accuracy is terrible. As soon as the initialization period was over, the monitor agreed with my manual monitor exactly. From that point on, it just got worse and worse, at one point the difference between the manual test and the monitor was 47 points (no spikes, no food, no sugar, no insulin, just baseline reading). The app will conduct a test, apparently, when this happens. But to do so, it requires "three sets of readings". This isn't clear at all...three sets of HOW MANY readings? Three sets of 1? of 3? 5? So I did 3 sets of 3, each reading 30 minutes apart, and logged them in the BG file. Then tried to run the test. And got " Sorry, no BG(AI) data has been detected for the requested device. Click the button below to complete three sets of 30-minute intervals". I used YuWell (5th generation) prior to this, had zero problems and it was very accurate. I will go back to YuWell. [UPDATE: DEC 8, 2025: Toward the end of the first monitor's life, it did improve on accuracy. I applied the second monitor a week ago, and it seems to be holding accuracy within +-5 points of my manual monitor. I have a YuWell as my next monitor, but I will probably try Ottai again when the YuWell expires.]
I absolutely love these, its also records your meals if you put them into the app, that way you get an understanding of how your body reacts to certain foods. Although these say they last for 14hrs they actually have an extra grace period of another 24hrs. They are a fantastic price compared to many of the other GCM monitors within my country. Thank Ottai for your fabulous product been a user for over 6mths now and no more finger pricks and real time glucose levels :) :)
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Ottai is a high-end medical device R&D company dedicated to transforming chronic disease management through advanced biosensing and deep learning technologies. Since 2019, Ottai has been continuously providing user-friendly, reliable, and accessible solutions for glucose monitoring, positioning itself as a leader in diabetes technology.
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