Your privacy, our promise!
Usernames must be lowercase letters/numbers or ._- (3-24 chars). Passwords need 12+ chars and mixed types.
No history, no cloud backups, no conversation graphs. If they're offline, it's gone.
Free tier gives you 20 messages daily; upgrade for unlimited sends and custom self-destruct timers.
Simple usernames, zero clutter, zero tracking.
Capture blocked.
No screenshots, recordings, or copying allowed.
Wisp messages stay ephemeral.