What are some alternatives?
When comparing ConnectyCube and RingCaptcha, you can also consider the following products
Voxbone - Fully compliant, enterprise-ready voice and SMS on demand. Build local presence on a global scale with elastic SIP trunks and phone numbers. Try for free.
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.
Twilio - Brings voice and messaging to your web and mobile applications.
Duo Security - Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.
SendHub - Get a business phone system on your smartphone and computer. We provide professional, affordable sms, text, and voice solutions in an easy to use system. 14-day free trial.
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.