A Follow-Up to My First Mobi Pump Review: August 2025 Update
Back in August 2024, I shared my first impressions of the Mobi insulin pump. At the time, I was cautiously optimistic, really into the small form factor, and intrigued by the Dexcom G7 integration, but still learning the ins and outs of daily use.
Now, after a year of living with Mobi day in and day out, I have a much clearer picture. Some things I absolutely love. Others… not so much. Here’s my honest, real-world update, no sponsorships, no fluff, just my own experience. I hope this review on the Tandem Mobi pump is helpful to you.
What’s Still Working for Me
The size is unbeatable
1 Year in, the Mobi’s compact design still stands out as a major win. It’s discreet and easy to wear whether I’m working out, traveling, or just trying to dress without worrying about a bulky device pulling on my clothes.
Dexcom G7 integration
I exclusively use the Dexcom G7, and Mobi has worked really well with it. The real-time data, quick updates, and smooth connection give me a sense of stability that I didn’t always feel with my previous setup. This pairing has made a big difference in my day-to-day blood sugar management. However, I have learned when changing my CGM, that I need to wait a little bit before pairing it to the Mobi, because G7 for me tends to be a bit of a random number generator for the first 6ish hours. I don’t want control iq trying to correct me to a false number.
Charging Is Better Now, Thanks to a Design Fix
Charging used to be frustrating. I had to fuss with the positioning to get it just right. I actually bought a third-party plastic cover to help hold the pump in place, but then, Tandem sent out their own version of this cover. It’s a small piece of plastic that fits over the charging plate and keeps everything snug and aligned.
Does it make charging completely convenient? Not exactly. When traveling you have to make sure you bring they charging plate, and if you forget it, you have to go out and buy a new one (that may or may not work), instead of just buying a USB cord.
What’s Still Frustrating
Occlusion alarms haven’t gone away
These alerts are still popping up from time to time, usually false alarms that interrupt whatever I’m doing. It’s not the worst thing ever, but it breaks concentration and adds just a little more stress to moments that don’t need it.
The alarm volume is too much, especially at night
This has been a real sticking point. The buzzing and beeping from Mobi have woken me, and more than once, my husband when we are sleeping. There’s no way to fully silence the alerts, even in vibrate mode, and it’s frustrating when you’re already dealing with the sleep disruptions of managing T1D. I have found that the beep is better and quieter than the aggressive vibration.
“Out of Range” Alerts, even When Devices Are Just Inches Apart
One issue I didn’t expect: if my CGM and Mobi are on opposite sides of my body, I’ll often get an “Out of Range” message, even though the actual distance between them is just a couple feet at most. This can happen while I’m walking around the house or even sitting down.
It’s a frustrating limitation, especially when you’re trying to rotate sites or give old spots a break. Having one device on each arm sounds like a good idea in theory, but in practice, it doesn’t work.
Because of this, I’ve settled on placing my CGM on my arm and wearing the Mobi on my thigh. It’s not ideal, but it’s the best way I’ve found to avoid those constant disconnection messages.
Mobi vs. t:slim: Where I Stand After 1 Year
I’ve said it before and I’ll say it again, I still prefer Mobi over t:slim. But it’s not perfect. Here’s how I’d break it down after almost a year:
Honest Thoughts (No Sponsorships, Just My Experience)
This review is 100% my own opinion. I’m not sponsored by Tandem or Dexcom, and no one asked me to write this. I just believe in being transparent about what works for me, and what still needs work.
The Mobi insulin pump fits my life better than t:slim did. But it’s not a perfect device. The size and Dexcom G7 compatibility are fantastic. The charging situation has improved thanks to the plastic cover. But the alarms? They really need a quiet mode.
If you’re thinking of switching, hopefully this gives you a clearer picture of what to expect. Click Here for more information about the Tandem’s Mobi Insulin Pump.
Support the Mission Behind Lizzies Linebackers
If you’ve found this helpful and want to support T1D awareness, check out the Lizzies Linebackers shop. Every purchase helps fund our mission and keeps honest conversations like this going.
