The disadvantages of Omnisend

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Some users have complained that Omnisend has a lower SMS deliverability rate than some other tools on this list.
Its paid offering can be expensive for small businesses.
Why we recommend Omnisend: Overall, Omnisend is a great software for creating email and SMS marketing campaigns. We recommend it if you have an online store or need an omnichannel platform to manage your SMS, WhatsApp, and emails all in one place.

8. Formidable Forms + module Twilio
Formidable Twilio addon
Formidable Forms is an advanced form building plugin that can be used to create contact forms, registration forms, subscription forms, and more.

By integrating the Twilio add-on, you can seamlessly use Formidable Forms mobile phone number data updated 2025 and Twilio to create SMS marketing campaigns for your WordPress site.

Once integrated, you can set up SMS surveys, allowing users to participate in surveys or vote on polls via text message. We tested this feature and found it to be smooth and efficient, saving time on manual data entry. To learn more, find our Formidable Forms Review .

The extension also features a drag-and-drop builder, a searchable database, and many pre-made templates.

The Benefits of Formidable Forms

Using your Twilio phone number, you can send automated SMS messages to all users who have completed a form on your site.
We love that Twilio lets you receive a text message from your subscribers.
It offers easy integration with Zapier, Constant Contact or Mailchimp.
It offers an analytics feature that can help you track your SMS marketing campaigns.