A diabetic patient never knows when his or her blood glucose level rises or gets low. That’s why they are in constant need of a blood glucose monitoring device.
For those who are suffering from this medical condition, doctors will prescribe them to have a wearable blood glucose monitoring device. This device is for all ages, from young to old.
After eating, our blood sugar level can rise and this device will monitor the fluctuation of your blood glucose level in response to your diet exercise, and after eating.
Here is an article on my website that you must read, it’s about the Top 6 Google Fit Compatible Blood Pressure Monitors.
Many people are searching for the best glucose monitor watch and wonder how reliable they are. we’ll cover this topic too.
There are many devices out there. But in this article, we have listed only the topmost ones.
Table of Contents
A Blood Glucose Monitor Watch Or Smartwatch – Is There a Smartwatch That Monitors Blood Sugar?
The short answer to that is no! No glucose monitor watch is reliable enough And it can be dangerous counting on them!
When discussing the best glucose monitor watch for glucose monitoring, it’s crucial to address a significant caveat: the current stance of the U.S. Food and Drug Administration (FDA) on the reliability of smartwatches and smart rings for this purpose.
According to a recent safety communication by the FDA, consumers, patients, and caregivers are advised against purchasing or using smartwatches or smart rings that claim to measure blood glucose levels without piercing the skin.
These devices have not undergone FDA review, and thus their safety and effectiveness in providing accurate blood glucose readings have not been established.
The appeal of non-invasive blood glucose monitoring is understandable, especially for individuals managing diabetes who are seeking more convenient and less painful methods than traditional finger-pricking devices.
Smartwatches and smart rings utilize advanced sensors to claim this capability. However, the FDA has raised concerns that relying on these unapproved devices could lead to inaccurate blood glucose readings. Such inaccuracies may have serious implications, potentially leading to improper diabetes management, which can result in severe health risks, including dangerously high or low blood sugar levels.
The FDA’s safety communication covers all devices marketed under various brand names that claim to offer non-invasive blood glucose measurement. Despite the innovative approach to using sensor technology for health monitoring, these devices have not received FDA approval for blood glucose monitoring, underscoring the importance of skepticism and caution.
For individuals seeking reliable glucose monitoring solutions, the FDA recommends consulting with a healthcare provider to identify an appropriate FDA-authorized device that can provide accurate measurements. It’s also advised to be cautious of devices sold online or directly by sellers that claim to offer non-invasive glucose monitoring without FDA approval.
For healthcare providers, the FDA suggests familiarizing themselves with these recommendations and discussing the risks associated with unapproved blood glucose measuring devices with their patients. Providers are encouraged to assist patients in selecting suitable, FDA-authorized blood glucose measuring tools to ensure accurate diabetes management.
In conclusion, while the idea of non-invasive glucose monitoring through smartwatches and rings is enticing, the current lack of FDA approval for these devices means they cannot be recommended as reliable tools for managing diabetes. Both consumers and healthcare professionals are urged to prioritize accuracy and safety by opting for FDA-authorized glucose monitoring devices.
So for those of you looking for a diabetic watch glucose monitor, I recommend that the watch’s companies’ ads won’t mislead you.
If you have Diabetes, You need to have a reliable device, which comes in the form of CGM devices that I’ll recommend later in this post.
Is There An Accurate Diabetic Meter That Doesn’t Require Blood By Finger Pricking?
The answer is yes, and it comes in the form of CGM devices.
For monitoring blood glucose, Continuous Glucose Monitoring (CGM) devices have been the most popular type of wearable device up until now. Didn’t know about CGM before? Well, a method of tracking levels of glucose 24 hours a day is referred to as Continuous Glucose Monitoring (CGM).
Moreover, the CGM systems measure glucose levels at regular intervals, all through the day as well as at night. More interestingly, it allows you to view your levels of glucose, whenever you want, at a glance.
To see trends, you can review the way of changing your glucose levels after a few hours or one day. By viewing real-time glucose levels, you will be able to decide more appropriately the way of balancing your diet, exercise, and medication throughout the day.
Possibly, a Continuous Glucose Monitoring (CGM) system benefits people with type 1 diabetes. Besides, type 2 diabetics using multiple injections of insulin, sulfonylureas, or basal insulin may also benefit from it. Other than that, individuals who are unaware of hypoglycemia or are at hypoglycemic risk may also take advantage of the CGM system.
Pondering Over How Does CGM System Work?
In order to make a CGM system work, you need to insert a tiny sensor beneath your skin, on your arm or abdomen. The sensor then performs the measurement of your levels of interstitial glucose.
Adding to it, the sensor performs testing of your glucose every few minutes. To a monitor, a transmitter relays the information wirelessly.
Possibly, the monitor is a separate device’s part such as a smartwatch or an insulin pump. Other than this, some CGMs directly send information to a tablet or smartphone as well.
In case you are looking for a Smartwatch that can monitor blood pressure, here is a post that I have written about the Best Android Smartwatches with ECG Monitoring.
Which CGM Device Would Work Best? And How Accurate are these devices?
The CGM devices are very accurate and give a lot of data, in opposition to the traditional blood glucose meter (BGM) which provides information from a single finger prick, the CGM devices will give you full-day data that can be viewed on smart devices like watches, smartphones, and tablets.
Like Dexcom describes it “Instead of a snapshot you get a full story”.
When it comes to choosing the best CGM device, the accuracy of the reading of glucose levels should be taken into account. With this respect, the U.S. Food & Drug Administration (FDA) is approving the following CGM devices lately:
List Of 5 Best Wearable Blood Glucose CGM Monitor Devices
The top wearable blood sugar monitors for 2025 include Dexcom G7 (highest accuracy with 8.2% MARD), FreeStyle Libre 3 (14-day wear with minute-by-minute readings), Stelo by Dexcom (designed for non-insulin users), Medtronic Guardian (specialized for children), Abbott Lingo (first OTC option for health enthusiasts), and upcoming FreeStyle Libre 3 Plus. You’ll find options for every need, from clinical-grade accuracy to budget-friendly solutions with smartphone integration. Discover which monitor aligns with your specific health requirements below.
1. Dexcom G7: The Gold Standard for Continuous Glucose Monitoring
You’ll find the Dexcom G7’s industry-leading 8.2% MARD gives you unparalleled glucose monitoring accuracy for confident decision-making.
Its customizable alert system warns you of dangerous glucose trends within minutes, potentially preventing serious hypoglycemic events before they occur. The system features an Urgent Low Soon alert that provides a 20-minute advance warning when glucose levels are dropping dangerously.
The G7’s complete smartphone integration lets you track your readings, share data with healthcare providers, and manage your diabetes directly from your phone without additional equipment.
Unmatched Accuracy and Precision
When precision matters most for blood glucose management, the Dexcom G7 stands out as the indisputable gold standard among continuous glucose monitoring systems.
With impressive Mean Absolute Relative Difference (MARD) of 7.9%-9.1%, this sensor delivers clinical-grade accuracy that you can trust for making essential treatment decisions.
- Up to 89.6% of readings fall within 15% of lab values—significantly outperforming competitors like FreeStyle Libre 3
- Maintains consistent accuracy throughout its entire 10.5-15 day wear period, with no decline in performance
- Upper arm placement offers slightly superior results with nearly 90% accuracy within the vital 15% threshold
You’ll appreciate the system’s reliability across diverse settings, from controlled clinical environments to real-world daily use, all backed by FDA recognition as the most accurate CGM available. The latest version boasts an exceptional overall MARD of 8.0%, further cementing its position as the industry leader in glucose monitoring precision.
Rapid Alert System
Beyond accuracy, the Dexcom G7’s sophisticated alert system transforms glucose monitoring from passive data collection into proactive health management. You’ll receive warnings 20 minutes before dangerous lows occur, giving you time to take preventive action rather than reacting to problems. The system offers real-time insights that help users make immediate adjustments to their diabetes care strategies.
| Alert Type | Response Time | Customization |
|---|---|---|
| Urgent Low | Immediate at 3.1 mmol/L | Sound and vibration options |
| Predictive | 20 minutes before event | Can be enabled/disabled |
| High/Low | User-defined thresholds | Delay and snooze settings |
The system’s smartphone integration delivers alerts directly to your devices with customizable sounds and vibrations. You can temporarily silence notifications for up to 6 hours during meetings or sleep while maintaining tracking. With 5-minute glucose updates and the sleek, comfortable design, you’re always connected to critical information that keeps you safe.
Seamless Smartphone Integration
The Dexcom G7’s smartphone integration transforms glucose management from a medical task into a natural extension of daily digital life.
Using Bluetooth technology, the system connects effortlessly to both iOS and Android devices, with dedicated Apple Watch functionality for instant glucose checks at your wrist.
The companion app does far more than simply display numbers:
- Real-time data sharing with healthcare providers and family members enhances safety and collaborative care
- Customizable alerts notify you only when truly necessary, reducing alarm fatigue
- Thorough trend analysis and reporting help you identify patterns and make informed adjustments
You’ll appreciate the multi-device syncing capability, ensuring your glucose data remains accessible whether you’re checking your phone, watch, or sharing reports with your doctor during appointments.
The emphasis on trend data over single measurements offers proactive management capabilities, helping users make more informed decisions about insulin dosage and dietary choices.
2. FreeStyle Libre 3: Affordable Accuracy for Long-Term Use
You’ll appreciate the FreeStyle Libre 3’s scan-free technology that automatically sends real-time glucose readings to your smartphone every minute, eliminating the need to manually scan the sensor.
The device’s extended 14-day sensor lifespan means fewer replacements and less hassle in your diabetes management routine.
At a lower price point than many competitors while maintaining impressive 7.9% MARD accuracy, the FreeStyle Libre 3 offers a budget-friendly option for those seeking reliable long-term blood sugar monitoring. Note that FreeStyle Libre 3 will be available until September 30, 2025, after which users will need to transition to newer Plus sensor models.
Scan-Free Glucose Readings
Revolutionary in its approach, the FreeStyle Libre 3 delivers minute-by-minute glucose readings directly to your smartphone without requiring manual scanning.
This advanced feature eliminates the need to physically swipe a reader over your sensor, giving you true continuous monitoring with minimal effort. It’s important to understand that the device measures interstitial fluid glucose, not blood glucose directly.
The system transmits your glucose data via Bluetooth within a 10-meter range, making it easier to track your levels throughout the day:
- Real-time alerts notify you of high or low glucose levels, allowing for immediate action
- 14 days of continuous data storage helps you identify patterns and trends
- Compact sensor (size of two stacked pennies) remains comfortable during daily activities
You’ll appreciate the freedom of not having to remember to scan while still maintaining accurate insights into your glucose management.
Extended Sensor Lifespan
With a robust 14-day lifespan, FreeStyle Libre 3 sensors offer exceptional value for continuous glucose monitoring.
You’ll appreciate fewer sensor changes compared to other systems that require weekly replacements, saving you time and reducing interruptions to your diabetes management.
Despite their impressive longevity, these sensors maintain accuracy throughout their two-week duration, providing reliable readings you can trust for treatment decisions.
The water-resistant design lets you shower, swim, and exercise without worrying about sensor damage.
Be aware that FreeStyle Libre 3 will be phased out by the end of 2025, requiring a shift to Libre 3 Plus. Actually, FreeStyle Libre 3 sensors can still be used after September 2025, as long as they remain within their expiration date.
Fortunately, the NHS will support this newer model, and Abbott provides customer support to help with your shift questions.
Budget-Friendly Diabetes Management
The FreeStyle Libre 3 stands out not only for its extended sensor life but also for its cost-effectiveness in long-term diabetes management.
You’ll appreciate its impressive 7.9% MARD accuracy rating while maintaining affordability compared to other continuous glucose monitors.
Many patients qualify for zero copay, making it the most accessible CGM option on the market.
This compact device delivers glucose readings directly to your smartphone every minute, eliminating the need for manual scanning.
At 70% smaller than previous models, you’ll hardly notice it’s there.
- Maintains consistent accuracy across all glucose levels, with 95% of readings within ±20 mg/dL in low ranges
- Outperforms competitors like Dexcom G7 (8.9% MARD vs 13.6%)
- Reduces your testing burden with automatic smartphone connectivity and extensive data tracking
For budget-conscious diabetics seeking reliable monitoring without compromising accuracy, the Libre 3 delivers exceptional value.
3. Stelo by Dexcom: Perfect for Non-Insulin Dependent Diabetics
Designed specifically for those managing diabetes without insulin, Stelo by Dexcom represents a major advancement in glucose monitoring technology. This over-the-counter device offers impressive 15-day wear time with real-time glucose readings every 15 minutes—no fingerstick calibrations required.
You’ll appreciate how Stelo transmits data wirelessly to your smartphone through its dedicated app, compatible with both iOS and Android. Worn on the back of your upper arm, this all-in-one sensor and transmitter helps you track glucose trends and patterns effectively. The device was recognized for its innovation when it made TIME’s Best Inventions list for 2024.
Unlike prescription CGMs, Stelo focuses on lifestyle tracking for type 2 diabetics, those with prediabetes, or anyone curious about their glucose levels.
Stelo emphasizes everyday glucose tracking for those with type 2 diabetes, prediabetes, or simply interested in understanding their body’s response to food and activity.
While it lacks the thorough alert systems of medical-grade monitors, its accessibility and user-friendly design make it perfect for non-insulin dependent monitoring.
4. Medtronic Guardian: Top Choice for Pediatric Glucose Monitoring
Specialized for younger patients, Medtronic Guardian stands out as the premier glucose monitoring solution for children with type 1 diabetes.
Designed specifically for kids 7 and older, this system integrates seamlessly with the MiniMed 780G insulin pump to deliver automatic insulin adjustments based on real-time glucose readings every 5 minutes. Parents should note that the Guardian Connect transmitter will be discontinued by 2025 as Medtronic shifts focus to next generation Smart MDI systems.
- SmartGuard technology automatically adjusts insulin delivery and can suspend it when glucose levels drop too low
- Safety-focused alerts with pediatric-specific thresholds (low alert minimum of 90 mg/dL and high alert default of 280 mg/dL)
- Remote monitoring via mobile apps lets parents and caregivers track glucose levels and insulin delivery in real time
Each sensor lasts 7 days, reducing finger sticks while supporting active lifestyles with durable, comfortable wear.
5. Abbott Lingo: Revolutionary OTC Option for Health Enthusiasts
Unlike traditional glucose monitors targeting diabetic patients, Abbott’s Lingo breaks new ground as the first over-the-counter continuous glucose monitor designed specifically for health enthusiasts without diabetes. The iPhone-compatible device provides 14 days of minute-by-minute glucose tracking, giving you unprecedented insights into how your food choices affect your body. The monitor costs just $49 for a complete 2-week plan with no commitment required.
| Feature | Specification |
|---|---|
| Sensor Size | 0.83″ diameter, 0.12″ height |
| Battery | Non-removable silver oxide |
| Wearing Period | 14 days continuous use |
| Device Compatibility | iPhone only (no Android) |
| Activation Time | Data available ~60 minutes after application |
You’ll receive weekly reports summarizing your glucose trends, empowering you to make informed decisions about your diet and lifestyle. Simply attach the compact biosensor to your upper arm and pair it with the app for seamless 24/7 monitoring. realm of diabetes management.
Additional Popular Blood Glucose Monitors You Should Consider
1. Contour Next blood glucose Meter kIT
For self-testing, this test strip is an appropriate choice for those who are dealing with diabetes. You can test all by yourself at home which gives an accurate result in seconds. No coding technology is needed as the meter can turn on by itself when a test strip is inserted so it can be used comfortably.
No coding technology also eliminates errors. Contour next blood glucose meter allows you to do second chance sampling to ensure no test strips are wasted and saves your valuable time. It comes with a small 0.6 microliter blood sample and a 5-second countdown.
In fact, this device is designed for patients in a way that it can save both their time and money. It is exclusively used with the Contour Next Meter.
2. Caresens N plus blood glucose kit
This lightweight blood glucose monitoring device which comes with a starter pack (100 blood sugar test trips, 1 blood glucose meter, 1 lancing device, a traveling case, and 100 lancets,) has also a battery life of about 1000 tests which makes it more reliable and convenient to use.
The traveling case has the added advantage that it can hold a diabetes kit so this device can be taken to anywhere.
This starter pack has all the necessary things so the patient doesn’t need to stress over buying each thing individually. Thus it has made blood sugar testing easy.
It helps to give you accurate and fast results in seconds. Designed in a simple and easy way so that people of any age can use it. Blood drawing is made easy and painless as it requires only a 0.5 microliter blood sample. It has the best customer service care.
3. Gentle plus
There are many young patients out there who are afraid to prick their fingers. Genteel plus is designed with ultra-depth precise control which states that this device is painless and takes a considerable amount of blood as soon as possible. So this device is one for those who are scared.
This glucose monitoring device uses Vacuum technology making diabetes testing almost painless and easy.
The exclusive vacuum technology means that you can get the right amount of blood without having to squeeze. It is clinically proven to be painless, so less tissue is damaged.
You can let your fingers heal while checking sugar as recommended by the doctor. FDA-cleared for use anywhere on the body. It is also designed to last for years.
Buying Guide Of The Best Wearable Blood Sugar/Glucose Monitor Devices
When it comes to health, choosing the best product should be the main thing to do. These are some of the key factors you should keep in mind before buying.
Ease Of Transport
A key factor for those who need to use this wearable device is whether they can take it from one place to another. It has to be lightweight and manageable. Weight should not become a hurdle for patients.
Compatibility
Before buying, it must be checked whether it is compatible with other smartphone devices. If it is supported by other devices, then it will make it a lot easier to use.
Easy To Use
Devices should be easy to use and all the necessary information should be displayed. Some have a touch screen which makes them comfortable to use. Also, you can test by yourself at home.
Storage
Storage is an issue for many of them. If there is a good amount of storage, then the device can store all the necessary information that the device had monitored
Audio
The quality of audio should be good as there are many patients with impaired vision. With the help of audio, the patients can use the device a bit easily.
Painless Device
There are young patients out there who are scared of the needle and the pain. Some blood glucose monitoring devices can take consistent amounts of blood in seconds which makes it painless.
Accuracy
Test strips allow you to second chance sampling which saves test strips and prevents being wasted. Some other models are of sizes and shapes that allow a good grip. All these features result in accuracy
Cost
Blood glucose monitoring devices vary in price. Good quality devices are quite costly and nobody will risk their health so make sure you buy the best one.
Frequently Asked Questions [FAQs]
In this section of the article, we are going to answer some of the most commonly asked questions regarding wearable blood sugar monitors.
Are There Wearables To Measure Blood Sugar?
Answer: Several wearables currently feature CGM (continuous glucose monitor). It can give you readings of your blood sugar 24 hours a day.
Are Blood Sugar And Glucose The Same Thing?
Answer: Yes, there’s no special difference between the two. Wearable marketers interchangeably use blood sugar and glucose.
Can Multiple Family Members Track a Child’s Glucose Readings Remotely?
Answer: Yes, you can remotely track your child’s glucose readings with multiple family members. Many CGM systems offer apps that let several caregivers simultaneously monitor levels, receive alerts, and view trends on their smartphones or tablets.
How Painful Is the CGM Insertion Process?
Answer: You’ll feel mild discomfort during CGM insertion—typically just a quick pinch lasting seconds. Most users rate pain below 2/10, with 88% experiencing minimal pain. Numbing creams can help if you’re sensitive.
Can I Swim or Shower With My CGM Attached?
Answer: Yes, you can swim and shower with your CGM attached. Most models are water-resistant up to 3 feet for 30 minutes. Just keep your receiver dry and check your sensor’s adhesive regularly for security.
What’s the Average Battery Life of These Monitoring Devices?
Answer: You’ll get about 7-14 days of battery life from most wearable blood sugar monitors. Leading devices like FreeStyle Libre 3 offer 14 days, while Dexcom G7 provides 10-14 days per sensor before needing replacement.
Are CGMS Covered by Health Insurance Plans?
Answer: Yes, CGMs are often covered by health insurance, including commercial and ACA plans. Your coverage depends on your specific plan, and you’ll likely need prior authorization for new devices starting in 2025.
In A Nutshell:
Isn’t it wonderful to get more than 288 glucose readings in a period of 24 hours? This is what the CGM system is actually capable of doing. Moreover, it offers you valuable understanding regarding your rate, levels as well as the direction of change of glucose.
Thus, by providing you with additional insight, the CGM system enables you to manage your diabetes proactively. So, get the most suitable CGM wearable device today to start managing your blood glucose in a more appropriate manner for better-quality living.
A related article that you will find interesting – Many people who are interested in this topic are also interested in the Best Fitbit & Garmin For Blood Pressure Monitoring In 2025.
As a professional trainer and a gadget lover, I’ve spent a lot of money and time buying wearable activity trackers, smartwatches, and gadgets, and checking them out. My site is focused on helping you with your activity tracking and smart technology journey. I try to provide the most helpful updated content on this subject. Hopefully, you will love my blogs and be a regular around here.
