SMS captureAsk for the phone number second.
A number is worth more per subscriber and converts worse as an opening ask. Putting it after the email — to someone who has just said yes — is the difference between adding an SMS list and shrinking your email one.
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Four rules for the phone field.
Three of them are about not annoying people who already said yes.
Ask second, not first
A phone number converts materially worse than an email address as an opening ask, and a visitor who declines it is usually gone for both. Capture the email, then offer SMS to someone who has already said yes once.
Consent is not a checkbox you can bury
SMS marketing consent is regulated more tightly than email in most markets, and the disclosure has to be visible at the point of the ask rather than in a linked policy. Whatever tool you use, the consent language belongs on the popup itself.
Format the number for the country
A phone field that assumes one country silently drops international signups. Ours is country-aware, which matters more than it sounds — a rejected number reads to the visitor as the store being broken.
Do not re-ask someone who already subscribed
An audience can look for the marketing cookies of 7 providers — including Attentive and Postscript — and withhold the popup from anyone already on an SMS list, even one you did not build here.
We capture. We do not send.
The number goes to Attentive or Postscript, which do the sending. If you have no SMS platform yet, BetterPopup will not give you one — a bundled tool that sends its own texts would serve you better, and Privy is the obvious one to look at.
SMS popup questions.
Starting by disambiguating the phrase.
An onsite form that asks for a phone number so a store can send marketing texts, usually offering a discount in return and usually appearing after or alongside an email capture. It is not the same thing as the SMS notifications your phone shows — if you arrived here trying to turn those off, that is a setting on your device, not something a website controls.
Usually not in a single step. Two fields at once depresses completion on both, and the email is the one you are more certain to use. A two-step flow — email first, then an SMS offer to someone who has just opted in — asks the harder question of a warmer person.
Into whichever SMS provider you have connected — Attentive or Postscript — in the same moment it reaches your email provider, so a subscriber who gives both is on both lists without you exporting anything. The full list of destinations is Klaviyo, Omnisend, Mailchimp, Attentive, Postscript, Drip.
SMS consent rules are stricter than email in most jurisdictions and vary by country, and we are not going to give you legal advice on a marketing page. What the product does: capture explicit consent at the point of signup, record it, and pass it to your provider. What you should do: have the disclosure language on the popup reviewed for the markets you sell into.
No. We capture the number and hand it to Attentive or Postscript, which do the sending. If you have no SMS platform yet, this is not the tool that gets you one — a bundled option like Privy sends its own, and is compared on our alternatives page.