SecretWolf
Comparison
SecretWolf vs Privnote
Privnote is a free, no-signup tool for sending a note that self-destructs after it's read. SecretWolf shares the self-destruct model; the comparison below focuses on the branding, audit trail, recipient verification and API layer SecretWolf adds. Capabilities marked “not verified” are ones Privnote's public pages don't state either way.
Facts about Privnote are drawn from its own public documentation and were accurate as of 23 September 2026. See sources below. SecretWolf and Privnote are separate, unaffiliated products.
| Capability | SecretWolf | Privnote |
|---|---|---|
| One-time / view-once | Yes | Yes source |
| Optional expiry | Yes | Yes source |
| Passphrase on the link | Yes | Yes source |
| File attachments | Yes | Not verified |
| Verify recipient by email | Yes | Not verified |
| Custom branding / your domain | Yes | Not verified |
| Audit log | Yes | Not verified |
| API | Yes | Not verified |
| No account needed for the recipient | Yes | Yes source |
| Self-hostable / open source | No | Not verified |
Where SecretWolf falls short
An honest table beats a flattering one. Where Privnote does something SecretWolf doesn't, here it is:
- Privnote is free and needs no account at all; SecretWolf's branding, audit trail and recipient verification are paid features.
Sources
See SecretWolf for yourself
Free to start — one-time links under your brand, with an audit trail.
Start free