Alternatives to FlowCrypt for Web, Mac, Windows, Linux, iPhone and more. Filter by license to discover only free or Open Source alternatives. This list contains a total of 19 apps similar to FlowCrypt. FlowCrypt (formerly CryptUp) is the easiest PGP encryption for Gmail. It behaves just like standard email, except it’s encrypted. If you’re looking for more info about FlowCrypt like screenshots, reviews and comments you should visit our info page about it. Below you find the best alternatives.
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FlowCrypt Alternatives and Similar Software
Alternatives
| # | Image | App Name | Features | Platforms | Price | Website Link |
| 1 | Tutanota Alternatives and Similar Software | Online Android iPhone iPad F-Droid |
Free for personal use | Website | ||
| 2 |  |
MsgSafe.io |
Web S/MIME |
Android iPhone OpenPGP Software as a Service (SaaS) |
Freemium | Website |
| 3 |  |
Yandex.Mail |
Web S60 |
Windows Mobile Java Mobile Android iPhone Android Wear |
Free | Website |
| 4 |  |
Mailvelope | Chrome | Mac Chrome OS Windows Firefox Linux |
Free | Website |
| 5 |  |
ProtonMail | Web | Android iPhone iPad |
Freemium | Website |
| 6 |  |
mailbox.org | Web | Commercial | Website | |
| 7 |  |
SCRYPTmail | Web Discontinued |
Freemium | Website | |
| 8 |  |
GPGMail | GPGTools | Mac | Commercial | Website |
| 9 |  |
Kolab Now |
Web DAVdroid |
Software as a Service (SaaS) | Commercial | Website |
| 10 |  |
Enigmail |
Thunderbird GnuPG |
Mac Windows SeaMonkey Linux |
Free | Website |