It's not free, so if you're looking for a free alternative, you could try Spark Mail or Apple Mail.
The best iPhone alternative is Microsoft Office Outlook. Mailbird Alternatives for iPhone: Top 10 Email Clients and similar apps | AlternativeTo (function()() Skip to main contentSkip to site searchPlatformsCategoriesOnlineWindowsAndroidMaciPhoneLinuxiPadAndroid TabletProductivitySocialDevelopmentBackupRemote Work & StudyLoginSign up HomeSocial & CommunicationsMailbirdAlternativesMailbird Alternatives for iPhoneMailbird is not available for iPhone but there are plenty of alternatives with similar functionality.
