The Seryn app family

Native tools for Mac and iPhone.

Every app here does one job, keeps its data on your device, and is free to install. Marzin has a one-time Pro unlock. No accounts, no subscriptions.

For your Mac

4 native Mac apps · no subscriptions · no accounts

A private clipboard manager for Mac, with clips, files, and quick notes.

Available now · Mac App StoreFreePro $9.99 until 31 Dec, then $14.99 · one-time IAP · no subs

A deliberate trackpad tap becomes one middle click, system-wide.

Available now · macOS 13+Freedirect download · no account

Customizable menu bar eyes that follow your pointer and react locally.

Available now · Mac App StoreFreeno subscription

A local note that floats beside your work.

Available now · Mac App StoreFreeMac App Store · no subscription

Marzin coming soon · BuyKeeper in development

Park deliberately with Paste or the Share sheet. Search, pin, copy, and share.

Coming soon · iPhone and iPadFree + ProSame one-time Pro purchase, $9.99 until 31 December 2026, then $14.99

Keep receipts, purchase records and the next deadline together.

In development · iPhone and iPadPlanned Free + Proone-time paid access · not yet available