There’s no better way to start this review than with a two-fold apology. I’m sorry to Glooko for underestimating the MeterSync Blue, and I’m sorry for nursing staff at doctors offices around the country who don’t use the MeterSync Blue.  Let me explain.


You might have heard of Glooko, the makers of the MeterSync, a universal cable that can download glucose readings from a wide range of glucose meters.  Due to the different connection ports of iPhone (lightning) and Android (micro USB), different smartphones required different cables. Until now.

With the MeterSync Blue, you can now wirelessly transfer glucose readings from over 30 supported glucose meters to both iPhone and Android, with a single product no bigger than a 9 volt battery. And it’s pretty amazing.

MeterSync Blue: More Widely Compatible Than Expected

As an endocrinology fellow, I am well aware of the frustrations caused by differing glucose meter brands, each with their own proprietary synchronization cables and software.

Despite its obvious utility, I dragged my feet in testing it out. Even though I’ve reviewed several wireless glucose meters recently, I hadn’t used a traditional glucose meter in a long time. To properly test it out, I needed to build a library of glucose readings by doing fingerpricks for a week or two. (Note: I don’t have diabetes, but I do have a strong family history).


Adding insult to injury (literally), Glooko’s glucometer compatibility list included my meter (the Accu-Chek Aviva), but parenthetically notes it has to be the black version.  I know the current model Accu-Chek Aviva is entirely black (pictured on the right), so I thought my older model (left) was not supported. I acquired the newer Aviva glucometer and started pricking my finger again.

But that’s where I first owe Glooko an apology. When finally putting the MeterSync Blue through its paces, I realized my older model was in fact compatible. My mistake.

Hardware: Smaller than Expected

Opening the packaging really was an eye-opening experience. From product images, I wasn’t expecting it to be so small. The MeterSync Blue is no bigger than a 9 volt battery, but unlike a battery is virtually weightless. In the image below, a AA battery is used for comparison.


With its boxy shape and black color, its outdated styling seems straight out of the late 90’s or early 2000’s, but its surprisingly small size makes that less of an issue.

In addition to the unit itself, the MeterSync Blue comes with one short cable (“meter cable”) and a 2.5mm adapter, that are required for certain glucose meters.

The Syncing Process: Easier and Less Cables Than I Expected

Going in, I assumed at least one cord would still be required. Bluetooth might replace the cable going to the smartphone, but you’d still need to connect through a cord to the glucose meter, right?


Not necessarily. Accu-Chek meters magically don’t require ANY cables, thanks to an IR port. It’s an amazing feeling transferring glucose readings from a standard glucometer without any wires. (Note: other brands require the short, included “meter cable”) In the above screenshot, the glucose meter (left) is wirelessly transmitting readings through the Glooko MeterSync Blue (right) to my iPhone (which is taking the picture).


The entire synchronization process was seamless, and the Glooko smartphone app walks you through the entire process, even with video tutorials for each specific manufacturer.

Software: More Intuitive and Feature-Rich Than I Expected


Unlike the Verio Sync’s disappointing Reveal App, the Glooko app enhances the overall user experience. The app includes comprehensive logbook and graph views that allow you to configure the timeframe of sugar readings.  In addition, the graph view can even display glucose readings by time of day.


Most impressive, however, is the app’s ability to generate full PDF reports (above) from the past 14 or 30 days (customized intervals can be generated at These reports can even be faxed from within the app, which can be immeasurably helpful to clinics who want to bypass security vulnerabilities of email. Such thoughtful features are vital for facilitating the physician-patient interaction.