Wouldn’t matter, I don’t go to the plane without both. I’ve gone through iOS and Android, worked thru six or seven EFBs and have been using digital flight planning/mission tools as far back as PFPS 4.0…about 20 years now, I guess. I’ve found the “best” platform/form factor/tool is the one you’re willing to learn, whether you’re paying for the app or paid to use a specific app. I’d hazard most pilots that self brief via their service of choice don’t realize unless they connect that service with 1800wxbrief.com there’s no FAA record of that self-briefing having been accomplished. I’d also hazard to guess most folks would rate Garmin Pilot and ForeFlight as having near parity. Except GP is available on android. And that version hasn’t let the user add a “PROC” to the flight plan in the EFB even though it’s been requested for at least six years now. Even the nifty “pack” feature some EFBs use is…an interesting concept. I have a dedicated tablet for my EFB, so all the FAA data charts, supplements, references, etc., all of it for the 50 US states gets downloaded for each flight. Some, but not all, NOTAMS, too. But most of that stuff that can’t be downloaded is available over ADS-B. Speaking of NOTAMS, that’s one thing I think FF and GP do better than iFly from a UI/UX perspective. But I get 15 months of iFly for 30% or more less than 12 months of FF or GP. When I do my CFI/II as a third career, I’ll spring for copies of both and likely drop iFly simply because those two are the lion’s share of the EFB space and I think it’s incumbent on an instructor to be proficient in the tools the student is going to use. Apologies for the long-windedness.