Alternatives to K-9 Mail for iPhone with any license

Microsoft Office Outlook

Part of the Microsoft Office Suite, Outlook is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.

Freemium $ $ $ Mac Windows Web Android iPhone ... Android Tablet Windows Phone iPad Apple Watch Android Wear
Built-in Calendar Box.com integration Calendar integration Dropbox integration ... Email scheduling Exchange Integration Flight Status Gmail integration ICloud Integration Integrated Search Multiple Account support Night mode/Dark Theme Office 365 integration Onedrive integration Organize mails Shared calendars Signature with image Smart attachments Unified inbox Yahoo Integration Add a feature

327 Like
Spark

E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.

Free Mac iPhone iPad Apple Watch
Calendar integration Cloud sync Configurable Configurable request timeout ... Multiple Account support Export to PDF Sync across Devices Add a feature

71 Like
Zoho Mail

Zoho Mail is a webmail service built with the needs of a modern business in mind. It provides features for business users to communicate effectively while catering to...

Freemium $ $ $ Mac Windows Linux Web Android ... iPhone
Custom domain Ad-free Integrated Spam Protection Mail filtering ... POP3 Support Privacy focused SMTP integration Two factor authentication Add a feature

81 Like
Airmail

Airmail is a lightweight and lightning fast mail client for Mac. Feature list: Accounts: - Unified Inbox and folders - Multi Account with editable html...

Commercial Mac iPhone iPad Apple Watch
Customizable Dropbox integration Fullscreen support Lightweight ... Multiple Account support Add a feature

62 Like
Canary Mail

Canary is an exciting new email client for Mac that offers a full set of powerful features with one key difference - your emails are not stored on a 3rd party server. ...

Commercial Mac iPhone
No features added Add a feature

11 Like
TypeApp

TypeApp is an all-free, beautifully designed, universal email app, capable of managing unlimited number of mail accounts from various providers, allowing for smart push...

Free Personal Android iPhone Android Tablet iPad Android Wear ... Kindle Fire
Live Push Notifications Multiple Account support Unified inbox Add a feature

23 Like
BlueMail

BlueMail is a modern, mobile first, powerful Email management tool with a sleek design, unified inbox and support for all your accounts: IMAP,Exchange,POP3.

Free Personal Android iPhone Android Tablet iPad Apple Watch
Ad-free Support for IMAP POP3 Support Unified inbox Add a feature

9 Like
SlideMail

Making email better through artificial intelligence.

Free iPhone
Multiple Account support Add a feature

6 Like
Email - Edison Mail

Email by Edison (formerly Email by EasilyDo) is a brand new, elegantly designed, universal mail app to manage unlimited mail accounts.

Free Android iPhone
Ad-free Mobile friendly Multiple Account support Organize mails Add a feature

1 Like
Mailroom

Mailroom provides seamless integration between Gmails world class mobile web app and familiar iPhone conventions, along with progressive web interface enhancements for...

Commercial iPhone
No features added Add a feature

1 Like
mBoxMail

mBox Mail is a fast, full-featured Hotmail client for iOS devices. It offers full access and control of your Windows Live Hotmail, from folder management to Windows Live...

Commercial iPhone
No features added Add a feature

1 Like