Freestyle Libre 3 Plus Sensor : Continuous glucose monitoring system
** Freestyle Libre 3 has been discontinued and is now Freestyle Libre 3 Plus. **
The FreeStyle Libre 3 Plus is a 15-day continuous glucose monitoring (CGM) sensor developed by Abbott, delivering real-time glucose readings every minute straight to your smartphone—no scanning required. Compact and discreet at smaller than a £1 coin, this water-resistant sensor is suitable for people with diabetes aged 2 years and above, providing enhanced accuracy and compatibility with insulin pump systems.
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| Pack | Price (£) | ||
|---|---|---|---|
| - | Freestyle Libre 3 Plus Sensor | 5 | 330.00 |
| - | Freestyle Libre 3 Plus Sensor | 1 | 70.00 |
| - | Freestyle Libre 3 Plus Sensor | 2 | 138.00 |
| - | Freestyle Libre 3 Plus Sensor | 3 | 204.00 |
| - | Freestyle Libre 3 Plus Sensor | 4 | 268.00 |
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FreeStyle Libre 3 Plus – Buy Online in the UK for Just £70
Order the FreeStyle Libre 3 Plus online with no consultation required. Enjoy fast, reliable UK delivery straight to your door for added convenience.
Key Features of the FreeStyle Libre 3 Plus Sensor
Extended Wear Time
Each sensor lasts up to 15 days, offering continuous glucose monitoring without frequent replacements.
High Accuracy
Designed to deliver consistently reliable readings, supporting better day-to-day glucose management.
Ultra-Compact Design
Smaller than a £1 coin, the discreet sensor is comfortable to wear on the back of the upper arm.
Real-Time Smartphone Updates
Glucose readings are automatically sent to your compatible smartphone every minute—no scanning needed.
Water-Resistant
Suitable for everyday life, including showering, swimming, and exercise.
Customisable Alerts
Optional alarms notify you if your glucose levels rise or fall outside your target range.
What is the FreeStyle Libre 3 Plus system and how does it work?
The FreeStyle Libre 3 Plus is a continuous glucose monitoring (CGM) system that uses advanced Bluetooth technology to send real-time glucose data directly to your smartphone. With automatic updates every minute, you can track your glucose levels without scanning. If your levels move outside your set range, you’ll receive alerts so you can take action quickly.
How long does the FreeStyle Libre 3 Plus sensor last?
Each FreeStyle Libre 3 Plus sensor is designed to be worn for up to 15 days before needing replacement.
Do I need to finger prick with FreeStyle Libre 3 Plus?
Finger-prick testing is not required for routine use. However, it may still be recommended in certain situations, such as when symptoms don’t match readings.
Can I use my smartphone with FreeStyle Libre 3 Plus?
Yes, the FreeStyle Libre 3 Plus works with a compatible smartphone via the dedicated app, allowing you to view real-time readings, trends, and historical data with ease.
Is FreeStyle Libre 3 Plus right for me?
The FreeStyle Libre 3 Plus is ideal for people with diabetes who want a simple, continuous way to monitor glucose levels and spot patterns over time. If you're unsure whether it’s suitable, speak to a healthcare professional for personalised advice.
FreeStyle Libre 2 vs FreeStyle Libre 3 Plus
Both the FreeStyle Libre 2 Plus and FreeStyle Libre 3 Plus are 15-day continuous glucose monitoring (CGM) sensors designed to help manage diabetes more easily. However, the way they deliver readings and overall user experience are quite different.
Key Differences at a Glance
Glucose Readings
Libre 2 Plus: Requires you to scan the sensor with your smartphone or reader to see results
Libre 3 Plus: Sends readings automatically every minute—no scanning needed
Real-Time Monitoring
Libre 2 Plus: Not fully continuous (you must scan to view data)
Libre 3 Plus: True real-time monitoring with continuous updates
Sensor Size & Comfort
Libre 2 Plus: Larger, about the size of two stacked coins
Libre 3 Plus: Much smaller and more discreet, designed for improved comfort
Smartphone Connectivity
Libre 2 Plus: Works with smartphone or reader, but requires scanning
Libre 3 Plus: Connects directly via Bluetooth and streams data continuously
Alarms & Alerts
Both: Offer optional high and low glucose alerts
Libre 3 Plus: Alerts work automatically alongside continuous data
Wear Time
Both sensors last up to 15 days
The FreeStyle Libre 3 Plus is generally seen as the more advanced option, offering a smoother, more convenient way to monitor glucose levels throughout the day.
The FreeStyle Libre 3 Plus provides highly accurate, real-time glucose readings every minute. Clinical data shows that 99.9% of readings fall within clinically acceptable zones, supporting confident treatment decisions without routine finger pricks.
Yes, the FreeStyle Libre 3 Plus is suitable for people with diabetes aged 2 years and above, including children when used under appropriate supervision.
No, a separate reader is not required. The sensor connects directly to a compatible smartphone via the Libre app. However, a dedicated reader is available if preferred.
Yes, the system includes optional real-time alarms that notify you if your glucose levels are too high, too low, or if the signal is lost—helping you stay in control throughout the day.
The FreeStyle Libre 3 Plus is designed for simple application on the back of the upper arm. Its compact, lightweight design makes it comfortable and discreet for everyday wear.
Yes, the sensor is water-resistant and designed to stay in place during daily activities, including exercise, sports, and swimming within recommended limits.
Yes, you can share your glucose data through compatible apps like LibreLinkUp for family members and LibreView for healthcare professionals, allowing for better support and monitoring.
The FreeStyle Libre 3 Plus is designed to maintain strong accuracy even when glucose levels are rising or falling quickly. However, if symptoms don’t match your readings, a finger-prick test may still be recommended.
Using CGM with FreeStyle Libre 3 Plus allows you to:
- Monitor glucose levels continuously without scanning
- See trends and patterns over time
- Receive real-time alerts for better control
- Reduce the need for routine finger-prick testing
- Share data with caregivers or healthcare providers
The Freestyle Libre 3 Plus sensor is in stock and available now! You can buy Freestyle Libre 3 Plus online on Pharmacy Planet starting from £70, with fast and discreet delivery straight to your door – no hassle, just convenience.

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Authored on : May 5 2026
Gurudev Sahmi
BSc Pharm, MRPharmS, Independent Prescriber, Superintendent Pharmacist, Clinical Lead
GPhC Number: 2050925

Reviewed on : May 5 2026
Gurudev Sahmi
BSc Pharm, MRPharmS, Independent Prescriber, Superintendent Pharmacist, Clinical Lead
2050925














