Ultimate Member is a free user profile WordPress plugin that makes it easy to create membership sites with WordPress. OTP Verification Plugin verifies Phone/Email of users by sending OTP Verification code before updating Ultimate Member Profile / Account. The purpose of this guide is to help you setup OTP Verification for your Ultimate Member Profile / Account Form.
Yes, it is possible to customize both the Email and SMS OTP Message that goes out to your users. The steps vary depending on the plan you are on.