GetResponse ships a Countdown timer block with both fixed-date and evergreen modes, so this guide starts by saying when that is enough. It then covers the Custom HTML block and dynamic content tags for the cases the block leaves out: deadlines held on the contact, and one timer reused beyond GetResponse.
Read the guide →HubSpot's only countdown is a JavaScript page module, which email cannot run. This guide puts a live timer into the HTML module, wires contact tokens for per-contact deadlines, and explains why you must preview as a contact to see them.
Read the guide →Constant Contact's current editor has no HTML block, so this guide takes the route that works: the Image block's URL field for the timer image, and the block's link setting for the click-through. It is honest about the trade-off, which is that per-contact deadlines are off the table here.
Read the guide →Brevo has no countdown block, so the timer goes into the HTML block of the Drag & Drop editor. This guide covers the block, contact attributes for per-contact deadlines, and the preview route that actually fills them in.
Read the guide →Mailchimp has no countdown block of its own, so the timer comes from outside and goes into a Code block. This guide covers both builders, which merge tags to pass for per-subscriber deadlines, and why the test send will not show them.
Read the guide →Omnisend's own countdown is paid-plan only and fixed-date only, so this guide covers what it does and does not do, then adds a live Alterable timer through the HTML element, with Omnisend's Liquid tags for per-contact deadlines and the testing route that actually renders them.
Read the guide →AWeber ships no countdown block and no HTML element, so this guide covers both routes in: the Image element's URL field, and the Source icon inside a Text element. It then wires AWeber's Liquid variables for per-subscriber deadlines without breaking click tracking.
Read the guide →Kit ships a Countdown Timer block, so this guide is honest about when it is enough. It then covers the HTML Block, Liquid variables for per-subscriber deadlines, the date format Kit's filters expect, and the duplicated-email quirk that catches people out.
Read the guide →Campaigner builds an email in four steps, and the timer goes in at the second. Add an HTML element to the layout, select it to open the HTML Properties panel, paste the Alterable embed and apply: the live countdown renders in the canvas straight away.
Read the guide →ActiveCampaign ships a Timer block of its own, so this guide is honest about when it is enough. It then covers the HTML block, the %TAG% syntax for per-contact deadlines, the date-field limitation you will hit, and how to preview tags that test sends leave blank.
Read the guide →Klaviyo has no countdown block, so the timer goes into the HTML block. This guide covers campaigns and flows, passing profile and event variables for per-recipient deadlines, and previewing against a real profile so the URL resolves.
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