Maybe I'm old school, but this seems like something that would take upwards of five minutes to add to my calendar and wouldn't require a whole other account + login.
Yeah I find that calendar and a free-form note app cover pretty much everything "miscellaneous" on my phone. The only other apps I really use are maps, contacts, email, and web browser.
Okay I have a legitimate question: for random things you need to do in a long timeframe (ex. Change the Air Filters in 6 months) do you add it to your calendar? Siri for example would add it for exactly 6 months to the day from now, and what if that is a Tuesday and you'd rather do it at a more convenient time?
Adding it to reminders would have an enormous number of pending reminders it feels like
I personally would open up my calendar, flip six months later, and then pick a convenient time, since there is wiggle room on getting something like that done. I'd probably add it for a weekend and add a notification to go off a few days prior.
In Google Calendar, it would less than a minute, based on a quick test I just did.
I built it to scratch an itch especially for reminders. You can snooze reminders, for an hour, a day, or a week. I snooze them all the time until I’m ready to do it.
As soon as it pops up on your calendar, it's now a 'to-do'. Manage that the same way you manage your other to-dos, wether that's a reminder or a sticky note or a list or whatever.