Publisher
Google Inc.Exchange Support
YesPush Notifications
YesFile Size
Varies with deviceRequired Android Version
Varies with deviceIn App Purchases
NoneMulti-Account
YesThreaded
YesUnified Inbox
NoLock App
NoIMAP
YesPOP3
YesPlatforms
-Search
-License
-Technology
-Storage
-Languages
-Ports
-Custom domain
-API
-Collaborative
-Snooze Emails
-Lockable
-Publisher
-Exchange Support
-Push Notifications
-File Size
-Required Android Version
-In App Purchases
-Multi-Account
-Threaded
-Unified Inbox
-Lock App
-IMAP
-POP3
-Platforms
Windows, macOS, LinuxSearch
YesLicense
GPLv2+Technology
CStorage
-Languages
-Ports
-Custom domain
-API
-Collaborative
-Snooze Emails
-Lockable
-Publisher
Thexyz IncExchange Support
YesPush Notifications
YesFile Size
-Required Android Version
-In App Purchases
-Multi-Account
-Threaded
-Unified Inbox
-Lock App
-IMAP
-POP3
-Platforms
iOS / Android / WebSearch
-License
-Technology
-Storage
25GB - 100GBLanguages
14Ports
465, 587, 2525, 993Custom domain
YesAPI
-Collaborative
-Snooze Emails
-Lockable
-Publisher
-Exchange Support
-Push Notifications
-File Size
-Required Android Version
-In App Purchases
-Multi-Account
-Threaded
-Unified Inbox
-Lock App
-IMAP
-POP3
-Platforms
-Search
-License
-Technology
-Storage
-Languages
-Ports
-Custom domain
-API
-Collaborative
-Snooze Emails
-Lockable
-Publisher
-Exchange Support
-Push Notifications
-File Size
-Required Android Version
-In App Purchases
-Multi-Account
-Threaded
-Unified Inbox
-Lock App
-IMAP
-POP3
-Platforms
Android / iOS / Chrome / Firefox / SafariSearch
-License
-Technology
-Storage
-Languages
-Ports
-Custom domain
-API
NoCollaborative
NoSnooze Emails
-Lockable
-Publisher
"DropboxExchange Support
NoPush Notifications
YesFile Size
Inc."Required Android Version
4.0.3 and upIn App Purchases
NoneMulti-Account
YesThreaded
YesUnified Inbox
YesLock App
YesIMAP
-POP3
-Platforms
Android / iOSSearch
YesLicense
-Technology
-Storage
-Languages
-Ports
-Custom domain
-API
-Collaborative
-Snooze Emails
YesLockable
YesPublisher
-Exchange Support
-Push Notifications
-File Size
-Required Android Version
-In App Purchases
-Multi-Account
-Threaded
-Unified Inbox
-Lock App
-IMAP
-POP3
-Platforms
-Search
-License
-Technology
-Storage
-Languages
-Ports
-Custom domain
-API
-Collaborative
-Snooze Emails
-Lockable
-