For me the best two parts about Fi when I was using it was the free extra data sims and the fact that you could roam data internationally for no extra charge. I

For me the best two parts about Fi when I was using it was the free extra data sims and the fact that you could roam data internationally for no extra charge. I'm abroad ~6 times per year so not having to pay out the nose in extra charges or spend time walking around a new city looking for a sim card the first day of my trip made it worthwhile. The actual comparison with other providers from a monthly data cost perspective were kind of a wash Eventually left when I wanted to switch back to an iPhone