Skip to content

OTP Auth vs Sync Butler

A side-by-side look at OTP Auth and Sync Butler. For an in-depth review of either product, follow the links below.

OTP Auth

OTP Auth

Security & Privacy

OTP Auth is a free and open source two-factor authentication app for Android and iOS. It generates timed one-time passwords for use in two-factor systems. It supports both HOTP and TOTP standards and can scan QR codes to easily set up accounts.

twofactor-authenticationopen-sourceqr-codehotptotp
Sync Butler

Sync Butler

Backup & Sync

Sync Butler is a file syncing application for Windows that helps manage and organize synced data across devices. It allows users to selectively sync folders while maintaining full control and visibility over what is being synced.

file-syncfolder-syncwindowscrossdevice

Related Comparisons

2FA Authenticator (2FAS)
Tofu Authenticator
Hydro Raindrop
Token2 Mobile OTP