Platforms
AndroidMulti-Account
YesPush Notifications
YesPublisher
Marcel BokhorstIMAP
YesSearch
YesPOP3
YesUnified Inbox
YesSnooze Emails
YesPrice
FreeMultiple Accounts
YesExchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
AndroidMulti-Account
YesPush Notifications
YesPublisher
K-9 Dog WalkersIMAP
YesSearch
-POP3
-Unified Inbox
YesSnooze Emails
-Price
-Multiple Accounts
-Exchange Support
WebDAV only (pre 2017)Threaded
YesFile Size
Varies with deviceIn App Purchases
NoneRequired Android Version
Varies with deviceLock App
NoTechnology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
Android / iOSMulti-Account
YesPush Notifications
YesPublisher
TypeApp Inc.IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
YesThreaded
YesFile Size
N/AIn App Purchases
NoneRequired Android Version
4.0 and upLock App
YesTechnology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
Windows, Linux, Mac, Mobile, WebMulti-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
TypeScript, CEnd-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
AndroidMulti-Account
YesPush Notifications
YesPublisher
MobiSystems inc. https://www.mobisystems.com/en-us/IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
YesThreaded
YesFile Size
Varies with deviceIn App Purchases
Subscription - monthly / yearlyRequired Android Version
Varies with deviceLock App
YesTechnology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
Android / iOSMulti-Account
YesPush Notifications
YesPublisher
Google Inc.IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
YesThreaded
YesFile Size
N/AIn App Purchases
NoneRequired Android Version
4.1 and upLock App
NoTechnology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
YesFree tier
YesOpen source
YesWeb interface
YesFree
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
NoOpen Source
NoMinimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
Windows 10/macOS/Linux/Android/iOS/Amazon FireOSMulti-Account
YesPush Notifications
YesPublisher
Blix, Inc.IMAP
YesSearch
YesPOP3
YesUnified Inbox
YesSnooze Emails
YesPrice
-Multiple Accounts
-Exchange Support
YesThreaded
YesFile Size
Varies with deviceIn App Purchases
NoneRequired Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
4.1Minimum Windows Version
10Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
Android / iOS/MacOS/EchoMulti-Account
YesPush Notifications
YesPublisher
"CloudMagicIMAP
YesSearch
YesPOP3
YesUnified Inbox
YesSnooze Emails
YesPrice
-Multiple Accounts
-Exchange Support
YesThreaded
YesFile Size
Inc."In App Purchases
NoneRequired Android Version
4.0 and upLock App
YesTechnology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
-Multi-Account
YesPush Notifications
YesPublisher
Google Inc.IMAP
YesSearch
-POP3
YesUnified Inbox
NoSnooze Emails
-Price
-Multiple Accounts
-Exchange Support
YesThreaded
YesFile Size
Varies with deviceIn App Purchases
NoneRequired Android Version
Varies with deviceLock App
NoTechnology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
Android / iOSMulti-Account
YesPush Notifications
YesPublisher
My.com B.V.IMAP
YesSearch
YesPOP3
YesUnified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
YesThreaded
NoFile Size
Varies with deviceIn App Purchases
NoneRequired Android Version
Varies with deviceLock App
NoTechnology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
MacOS, Windows, AndroidMulti-Account
YesPush Notifications
-Publisher
-IMAP
YesSearch
YesPOP3
YesUnified Inbox
YesSnooze Emails
YesPrice
-Multiple Accounts
-Exchange Support
YesThreaded
YesFile Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
YesOpen Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
YesEncryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
Android / iOSMulti-Account
YesPush Notifications
YesPublisher
BoxerIMAP
YesSearch
YesPOP3
YesUnified Inbox
-Snooze Emails
NoPrice
-Multiple Accounts
-Exchange Support
YesThreaded
YesFile Size
18MIn App Purchases
$9.99 - $14.99 per itemRequired Android Version
4.1 and upLock App
YesTechnology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
MacOS, iOSMulti-Account
-Push Notifications
YesPublisher
-IMAP
-Search
YesPOP3
-Unified Inbox
-Snooze Emails
YesPrice
-Multiple Accounts
-Exchange Support
IMAP onlyThreaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
YesFree tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
PGP, AutoIntegrations
Google Drive, Dropbox, iCal, Google Calendar, iCloud, Things, Todoist, Keybase, MITJMAP
-Minimal requerements
-Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
YesSearch
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
YesMinimal requerements
-Platforms
Android / iOSMulti-Account
YesPush Notifications
YesPublisher
"DropboxIMAP
-Search
YesPOP3
-Unified Inbox
YesSnooze Emails
YesPrice
-Multiple Accounts
-Exchange Support
NoThreaded
YesFile Size
Inc."In App Purchases
NoneRequired Android Version
4.0.3 and upLock App
YesTechnology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
YesEncryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
AndroidMulti-Account
YesPush Notifications
YesPublisher
Mail WiseIMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
YesThreaded
YesFile Size
12MIn App Purchases
NoneRequired Android Version
4.0.3 and upLock App
NoTechnology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
Android / iOS / BrowserMulti-Account
NoPush Notifications
YesPublisher
YahooIMAP
YesSearch
-POP3
YesUnified Inbox
NoSnooze Emails
-Price
-Multiple Accounts
-Exchange Support
NoThreaded
YesFile Size
Varies with deviceIn App Purchases
NoneRequired Android Version
Varies with deviceLock App
NoTechnology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
FreeMultiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
HTMLy requires PHP 5.3 or greater, PHP-XML package, and PHP-ZIP package for backup feature.Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-Platforms
-Multi-Account
-Push Notifications
-Publisher
-IMAP
-Search
-POP3
-Unified Inbox
-Snooze Emails
-Price
-Multiple Accounts
-Exchange Support
-Threaded
-File Size
-In App Purchases
-Required Android Version
-Lock App
-Technology
-End-to-end encryption
-Free tier
-Open source
-Web interface
-Free
-Open Source
-Minimum Android Version
-Minimum Windows Version
-Lockable
-Encryption methods
-Integrations
-JMAP
-Minimal requerements
-