(I use Google Fi, but it often seems like it has poor performance and issues sending MMS and receiving group texts to/from mixed Android/iPhone groups)
edit: from the article...
> The discount carriers were, on average, up to 46 percent slower than my Verizon connection. That sounds like a lot, but in real-world tests, I didn’t notice a difference
But then...
> “Is it worth it?” he said. “We’re saving about $1,000 a year. I’ll deal with the hassle for that.”