The best alternatives to TelegramLogin are Cotter, Authentiq, and Authy. If these 3 options don't work for you, we've listed a few more alternatives below.
An authentication service that lets users log in using only their Phone Numbers without a password. Integrate secure phone number login to your web/apps. It’s universal, works across apps, and doesn't require users to have a Cotter account.
Two-factor authentication (2FA) adds an additional layer of protection beyond passwords. Download our free app today and follow our easy to use guides to protect your accounts and personal information.
Obsidian is an OTP Authenticator App that synchronizes your tokens seamlessly among Mac, iPhone and iPad, via your iCloud Keychain. Everything wrapped in an elegant and minimal UI.