- 2GmailEasiest to setup and operate on a daily level, user friendly, and compatible across all platforms i.e. Windows, IOS, Android etc. Most of what I use for my other internet activity seamlessly integrates and functions well with Gmail. Best!@le0bnt Spark has been great for me on iOS. I'll be honest, I use Airmail on desktop but on mobile Spark's performance and simplicity has kept me a user. You still may want to consider other Email Clients from the list http://www.beautifullife.info/we... . Spark provides quick actions to really make managing your email a breeze.