Hi, malmihdar, if you're in Europe, miaomiao works perfectly well with the 14 day sensor. The apps to use with it are xDrip+ on android, or Spike on iPhone. There are links to download those on the miaomiao site.
If you're in America, I can't find the links now, but I've got a vague recollection that it worked with their 10 day version but not with the 14 day one, but I might be wrong about that. Maybe have a look at the American fudiabetes and tudiabetes which cover things stateside - I'm pretty sure I read on one of those that the 14 day version was a problem.
It's well worthwhile, libre, mm and xDrip+ do some pretty sophisticated stuff - not only customisable hypo/hyper alerts, you can also calibrate against bg readings to tighten up sketchy sensors (mines are often only about 0.2 to 0.4 out), and you can input your own ratios so that it'll give rough predictions of where a bolus/carb might take you. It also identifies trends on the line, so will pop up warnings saying "low predicted in 36 minutes", so you get plenty of advance warning to keep an eye on developing situations. It also estimates insulin on board, which is very useful for deciding on whether or not a correction dose is needed - if it looks like I'm starting to trend too high, but I see that I've still got 6u iob, I'll not correct, but only 1u iob, I'll maybe consider a correction.
It's made a significant difference to how I manage my T1. The more you use it, the easier it becomes to see things which you just didn't know about before, and gently steer levels instead of fighting them.
Pic below to give you an idea of what the graph looks like.
Welcome to the future!
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