Best SMS Marketing Software in 2026

Klaviyo is a B2C customer-data and marketing platform for ecommerce brands, combining email, SMS, audience segmentation, automated flows, and revenue reporting. The free plan supports up to 250 active profiles and 500 email sends monthly; paid costs rise with

Acoustic Campaign manages marketing contacts, audience segments, personalized email and automated programs. Its documentation also covers customer journeys, mobile campaigns, landing pages, web forms, WhatsApp messaging and campaign reporting. Buyers should co

ActiveCampaign combines email marketing, contact segmentation, behavioral automations, campaign analytics, and cross-channel marketing. Starter, Plus, Pro, and Enterprise plans vary in automation actions, segmentation, user seats, AI allowances, and CRM/ecomme

Adobe Marketo Engage is B2B marketing automation for lead management, segmentation, nurturing, account-based programs and marketing attribution. Its AI-assisted workflows support customer lifecycle engagement and sales alignment, with integrations into broader

Benchmark Email offers a drag-and-drop newsletter editor, signup forms, templates, list management and email reporting. Its Free plan supports up to 500 contacts, 2,500 emails/month and one user. Pro starts at $19/month or $16/month on annual billing, with a 1

Brevo combines email campaigns, marketing automation and basic sales pipelines. Its ongoing free plan allows one user, 300 email sends per day, up to 100,000 stored contacts, 2,000 automation contacts and 50 open deals in one pipeline. Paid tiers increase limi

Buffer helps individuals and teams plan, draft and publish social content, with analytics, community engagement and AI writing tools. A free plan supports limited publishing needs. Essentials starts at US$5 per channel per month billed annually; team collabora

Campaign Monitor is an email marketing platform for branded newsletters, subscriber lists, automated journeys and campaign analytics. Its Lite, Essentials and Premier plans start at about $12, $29 and $159 per month for the entry subscriber tier, with prices i

Constant Contact helps small businesses create email campaigns, manage contact lists, build signup forms and run automated follow-ups. Its Lite, Standard and Premium plans differ in automation, segmentation, user seats and monthly send allowances. US Lite star

Drip is an ecommerce email marketing platform focused on customer segmentation, automated lifecycle flows and revenue attribution. The vendor lists a starting price of $39/month for up to 2,500 people, with a 14-day trial and pricing that scales with audience