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Retaina

A private workspace for notes and files on Windows and Android, with direct local synchronization between your devices.

Windows 10 & 11Android 6.0+Private local sync
Retaina notes and workspace home screen

Your information, your devices

Organize privately. Sync locally.

Flexible notes

Create text notes, sticky notes, checklists, grids and spreadsheet-style notes.

Files together

Keep important documents and structured information with your workspace.

Folders and favorites

Organize content clearly and find important items quickly.

Local synchronization

Connect Windows and Android over the same Wi-Fi/LAN or USB tethering.

Simple pairing

Pair with a QR code or the one-time code shown in Retaina for Windows.

Private by design

Your synchronized data moves directly between your local devices.

See Retaina in action

A clear workspace on every device.

Windows

$14.49

  • Windows 10 or Windows 11
  • One-time Windows purchase
  • Pairs with Retaina for Android

Android

$9.99

  • Android 6.0 or newer
  • Android APK from Gumroad
  • Same Wi-Fi/LAN or USB tethering for sync