689Cloud SecureMail vs Smartlockr Secure File Sharing: Side-by-Side Comparison (2026)

689Cloud SecureMail: Gmail & Outlook add-in securing email attachments via IRM technology. built by 689Cloud. Core capabilities include IRM-based email attachment protection via secure links, View-only and downloadable access modes, Remote access revocation for downloaded files..

Smartlockr Secure File Sharing: Secure file sharing platform for sending encrypted files up to 5TB via email. built by smartlockr. Core capabilities include Secure file sharing up to 5TB, Zero-knowledge end-to-end encryption, Two-factor authentication..

Both serve the Secure File Sharing market but differ in approach, feature depth, and target audience.

689Cloud SecureMail differentiates with IRM-based email attachment protection via secure links, View-only and downloadable access modes, Remote access revocation for downloaded files. Smartlockr Secure File Sharing differentiates with Secure file sharing up to 5TB, Zero-knowledge end-to-end encryption, Two-factor authentication.

689Cloud SecureMail is developed by 689Cloud. Smartlockr Secure File Sharing is developed by smartlockr. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

689Cloud SecureMail and Smartlockr Secure File Sharing serve similar Secure File Sharing use cases: both are Secure File Sharing tools. Review the feature comparison above to determine which fits your requirements.