| Features |
Standalone |
|
|
|
Interoperable |
|
|
|
Dexcom ONE+
(NZMS) |
FreeStyle Libre 2 Plus
(Mediray) |
LinX CGM
(Intuitive Therapeutics) |
CareSens Air
(Pharmaco) |
Dexcom G6*
(NZMS) |
Dexcom G7
(NZMS) |
FreeStyle Libre 3 Plus
(Mediray) |
|
 |
 |
 |
 |
 |
 |
 |
| Sensor life |
10 days + 12 hour grace period |
15 days |
15 days |
15 days |
10 days |
10 days + 12 hour grace period |
15 days |
Accuracy in adults
(mean absolute relative difference; MARD)† |
~8% |
~8% |
~9% |
~9% |
~9 – 10% |
~8% |
~8% |
| Warm up period |
30 minutes |
60 minutes |
60 minutes |
30 minutes |
Two hours |
30 minutes |
60 minutes |
| Sensor size |
27 mm (L) x 24 mm (W) x 4.7 (H) |
35 mm (diameter) x 5 mm (H) |
22 mm (diameter) x 4.2 mm (H) |
35 mm (L) x 19 mm (W) x 5 mm (H) |
47.5 mm (L) x 30.5 mm (W) x 15.2 mm (H) |
27.4 mm (L) x 24.1 mm (W) x 4.7 mm (H) |
21 mm (diameter) x 2.9 mm (H) |
| Indication |
Indicated for people aged two years and over and during pregnancy |
Indicated for people aged two years and over and during pregnancy |
Indicated for people aged 18 years and over |
Indicated for people aged 18 years and over |
Indicated for people aged two years and over and during pregnancy |
Indicated for people aged two years and over and during pregnancy |
Indicated for people aged two years and over and during pregnancy |
| Sensor placement |
Back of upper arm or abdomen |
Back of upper arm |
Back of upper arm or abdomen |
Back of upper arm |
Back of upper arm or abdomen |
Back of upper arm or abdomen |
Back of upper arm |
| Glucose reading frequency |
Every five minutes |
Every minute |
Every minute |
Every five minutes |
Every five minutes |
Every five minutes |
Every minute |
Water resistance
(depth and time) |
2.4 m for up to 24 hours |
1 m for 30 minutes |
1 m for 30 minutes |
1 m for 24 hours |
2.4 m for up to 24 hours |
2.4 m for up to 24 hours |
1 m for 30 minutes |
| Interactions |
Hydroxyurea |
High-dose vitamin C |
Hydroxyurea and high-dose vitamin C |
High-dose vitamin C |
Hydroxyurea |
Hydroxyurea |
High-dose vitamin C |
| Phone app and reader/receiver availability |
Dexcom ONE+ app
A Dexcom ONE+ Receiver is available free of charge for some people without a smartphone who are eligible for a funded CGM |
LibreLink or Libre app
A Libre 2 Reader is available free of charge for some people without a smartphone who are eligible for a funded CGM |
LinX CGM app |
CareSens Air app |
Dexcom G6 app
Separate reader device can be purchased for people without a smartphone
Readings may also be displayed on the insulin pump or insulin pump app |
Dexcom G7 app
Separate reader device can be purchased for people without a smartphone
Readings may also be displayed on the insulin pump or insulin pump app |
Libre app
Readings may also be displayed on the insulin pump or insulin pump app |
| Data sharing |
With others via Dexcom ONE+ app and Dexcom Follow app
With healthcare providers via Dexcom Clarity |
With others via FreeStyle LibreLink app and LibreLinkUp app
With healthcare providers via LibreView |
With others via LinX CGM app
With healthcare providers via Pancares |
With others via Caresens 365 app
With healthcare providers via Sens 365 |
With others via Dexcom Follow or some insulin pump apps
With healthcare providers via Dexcom Clarity or Glooko |
With others via Dexcom Follow
With healthcare providers via Dexcom Clarity or Glooko |
With others via CamAPS Fx app
With healthcare providers via CamAPS Fx app or Glooko |
| Bluetooth range |
Ten metres (or six metres if using a receiver) |
Six metres |
8 – 10 metres |
Six metres |
Six metres |
Ten metres |
Ten metres |
Sensor memory
(when out of range) |
Up to 24 hours |
Up to eight hours |
15 days |
12 hours |
Up to three hours |
Up to 24 hours |
Up to 15 days, depending on the device the sensor is paired with |
| Alarm functionality |
High and low glucose alerts, signal loss |
High and low glucose alerts, signal loss |
Very high, high, low, urgent low, rapidly changing glucose alerts, signal loss |
High, low, very low, rapidly changing glucose alerts, signal loss, remaining sensor life |
High, low, urgent low soon, urgent low glucose alerts, rise rate, fall rate, signal loss |
High, low, predictive urgent low soon, urgent low glucose alerts, rise rate, fall rate, signal loss, silent mode |
High, low, urgent low glucose alerts, signal loss, silent mode |
| Funding |
Yes: SA2538 |
Yes: SA2538 |
No |
No |
Yes: SA2537 |
Yes: SA2537 |
Yes: SA2537 |
| Approximate cost per sensor if self-funding‡ |
$78/10 days
$7.80 per day |
$114/15 days
$7.60 per day |
$75/15 days
$5 per day |
$60/15 days
$4 per day |
$127/10 days
$12.70 per day |
$127/10 days
$12.70 per day |
N/a |
| Other |
Adhesive over-patches supplied
User guide |
Adhesive over-patches not usually required but are available to purchase
User guide |
Adhesive over-patches supplied
User guide |
Adhesive over-patches supplied
User guide |
Adhesive over-patches supplied
User guide |
Adhesive over-patches supplied
User guide |
Adhesive over-patches not usually required but are available to purchase
User guide |
