Best Email Encryption Software in 2026
Updated
In short: SecureMyEmail is ranked #1 of 28 as of 5 October 2026, ahead of DataMotion Secure Email Exchange and Proofpoint Email DLP and Encryption. The best-ranked option with a free plan is FlowCrypt. The lowest first paid tier on this page is Cryptshare.express at €0.42/mo.
Protecting email content involves more than choosing how a message is encrypted: delivery, recipients, and access all matter. Compared on secure delivery and recipient verification, these tools also differ in listed attachment limits and message expiry. Gmail and Outlook integration can help you consider fit with your email services, while admin access controls provide another point to review. SecureMyEmail, DataMotion Secure Email Exchange, and Proofpoint Email DLP and Encryption are among the options shown. Compare free-plan availability and paid-from pricing alongside the controls relevant to your messages, recipients, and administrative needs.
28 email encryption software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 SecureMyEmail iPhone + Android RecognisedPhone appDocumentedFree plan 7.5Free
- 2 DataMotion Secure Email Exchange iPhone + Android RecognisedPhone appDocumentedFree plan 7.3 Secure delivery: portalRecipient verification: identityMessage expiry: Yes
- 3 Proofpoint Email DLP and Encryption iPhone + Android RecognisedPhone appDocumentedFree plan 7.1 Secure delivery: portalMessage expiry: Yes
- 4 Virtru Email Encryption iPhone + Android RecognisedPhone appDocumentedFree plan 6.9$119/mo Secure delivery: linkRecipient verification: identityMessage expiry: Yes
- 5 FlowCrypt No phone app RecognisedPhone appDocumentedFree plan 6.4Free Secure delivery: linkRecipient verification: passwordMessage expiry: Yes
- 6 gpg4o No phone app RecognisedPhone appDocumentedFree plan 6.4€99.95/mo Secure delivery: attachmentRecipient verification: identityMessage expiry: No
- 7 Lockbin No phone app RecognisedPhone appDocumentedFree plan 6.4$10/mo Secure delivery: linkRecipient verification: passwordMessage expiry: Yes
- 8 c.Email No phone app RecognisedPhone appDocumentedFree plan 6.3Free
- 9 Encryptomatic OpenPGP No phone app RecognisedPhone appDocumentedFree plan 5.8$2.50/mo
- 10 Mailvelope No phone app RecognisedPhone appDocumentedFree plan 5.8€3/mo Secure delivery: attachmentRecipient verification: identity
- 11 Gpg4win No phone app RecognisedPhone appDocumentedFree plan 5.7 Secure delivery: attachmentRecipient verification: identity
- 12 PDF Postman No phone app RecognisedPhone appDocumentedFree plan 5.7$79.99/mo Secure delivery: attachmentRecipient verification: password
- 13 Send It Secure No phone app RecognisedPhone appDocumentedFree plan 5.7 Secure delivery: portalRecipient verification: identityMessage expiry: Yes
- 14 MailHippo No phone app RecognisedPhone appDocumentedFree plan 5.6$4.95/mo Secure delivery: portalRecipient verification: passwordMessage expiry: Yes
- 15 OpenText Core Email Message Privacy No phone app RecognisedPhone appDocumentedFree plan 5.6 Secure delivery: linkRecipient verification: passwordMessage expiry: Yes
- 16 RMail No phone app RecognisedPhone appDocumentedFree plan 5.6 Secure delivery: attachmentRecipient verification: passwordMessage expiry: Yes
- 17 Mimecast Secure Messaging No phone app RecognisedPhone appDocumentedFree plan 5.5 Secure delivery: portalMessage expiry: Yes
- 18 Secure Message No phone app RecognisedPhone appDocumentedFree plan 5.5 Secure delivery: linkMessage expiry: Yes
- 19 Sophos Secure Message No phone app RecognisedPhone appDocumentedFree plan 5.5 Recipient verification: passwordMessage expiry: Yes
- 20 Trustifi Outbound Shield No phone app RecognisedPhone appDocumentedFree plan 5.5 Secure delivery: linkRecipient verification: passwordMessage expiry: Yes
- 21 Virtru Data Security Platform No phone app RecognisedPhone appDocumentedFree plan 5.5$119/mo
- 22 OpenText Core Email Encryption No phone app RecognisedPhone appDocumentedFree plan 5.4 Secure delivery: portalRecipient verification: passwordMessage expiry: Yes
- 23 Paubox Email Encryption No phone app RecognisedPhone appDocumentedFree plan 5.4$29/mo Secure delivery: linkRecipient verification: passwordMessage expiry: No
- 24 Cryptshare.express No phone app RecognisedPhone appDocumentedFree plan 5.3€0.42/mo Secure delivery: portalRecipient verification: passwordMessage expiry: Yes
- 25 KnowBe4 No phone app RecognisedPhone appDocumentedFree plan 5.3$2.40/mo
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Secure delivery | Recipient verification |
|---|---|---|---|---|---|---|---|---|
| 1 | SecureMyEmail | 7.5 | Free plan | Free | Yes | — | — | — |
| 2 | DataMotion Secure Email Exchange | 7.3 | No | — | Yes | — | portal | identity |
| 3 | Proofpoint Email DLP and Encryption | 7.1 | No | — | — | — | portal | — |
| 4 | Virtru Email Encryption | 6.9 | No | $119/mo | No | — | link | identity |
| 5 | FlowCrypt | 6.4 | Free plan | Free | Yes | — | link | password |
| 6 | gpg4o | 6.4 | Free plan | €99.95/mo | Yes | — | attachment | identity |
| 7 | Lockbin | 6.4 | Free plan | $10/mo | Yes | 10 /user/mo | link | password |
| 8 | c.Email | 6.3 | Free plan | Free | Yes | — | — | — |
| 9 | Encryptomatic OpenPGP | 5.8 | No | $2.50/mo | Yes | — | — | — |
| 10 | Mailvelope | 5.8 | No | €3/mo | Yes | — | attachment | identity |
| 11 | Gpg4win | 5.7 | No | — | Yes | — | attachment | identity |
| 12 | PDF Postman | 5.7 | No | $79.99/mo | Yes | — | attachment | password |
| 13 | Send It Secure | 5.7 | No | — | Yes | — | portal | identity |
| 14 | MailHippo | 5.6 | No | $4.95/mo | No | 4.95 /user/mo | portal | password |
| 15 | OpenText Core Email Message Privacy | 5.6 | No | — | — | — | link | password |
| 16 | RMail | 5.6 | No | — | — | — | attachment | password |
| 17 | Mimecast Secure Messaging | 5.5 | No | — | — | — | portal | — |
| 18 | Secure Message | 5.5 | No | — | Yes | — | link | — |
| 19 | Sophos Secure Message | 5.5 | No | — | — | — | — | password |
| 20 | Trustifi Outbound Shield | 5.5 | No | — | No | — | link | password |
| 21 | Virtru Data Security Platform | 5.5 | No | $119/mo | No | — | — | — |
| 22 | OpenText Core Email Encryption | 5.4 | No | — | — | — | portal | password |
| 23 | Paubox Email Encryption | 5.4 | No | $29/mo | No | — | link | password |
| 24 | Cryptshare.express | 5.3 | No | €0.42/mo | No | — | portal | password |
| 25 | KnowBe4 | 5.3 | No | $2.40/mo | No | 2.4 /user/mo | — | — |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which email encryption software is ranked first on Samsung Mobile US Press?
SecureMyEmail is ranked #1 of 28 with a score of 7.5. DataMotion Secure Email Exchange is second and Proofpoint Email DLP and Encryption third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Cryptshare.express has the lowest first paid tier we found: €0.42/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.