Compare software

imapsync vs Aid4Mail: catalog facts
imapsyncAid4Mail
Freemium

The source is free software. Prebuilt binaries and support are sold.

Paid

Paid editions with a free trial.

Windows, macOS, Linux, Command line Windows
  • Restartable and idempotent, so an interrupted migration simply continues
  • Handles the quirks of a long list of specific IMAP server implementations
  • Handles more than 40 email formats
  • Converts exports from Google Vault, Mimecast and Proofpoint
  • The source is free but official binaries and support are sold
  • Command line only, with a very long option list
  • Aimed at professional forensic and legal work rather than home users
  • Paid software with several editions to choose between
Downloadable app Downloadable app
Open source Closed source
License: NLPL License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.