Best free tier for sms

Klaviyo

★ 4

A data-driven email + SMS marketing-automation platform built for ecommerce (deep Shopify/Magento/WooCommerce integration, predictive analytics, CDP-style customer profiles, flows for abandoned-cart, welcome, browse-abandonment, win-back). Free forever for up to 250 contacts and 500 email sends/month with all core email features (flows, segmentation, A/B testing, predictive analytics); SMS available with a small monthly credit. Paid Email from ~$45/mo for 500 contacts unlocks more sends + SMS & email combined. The ecommerce-marketing automation specialist.

Bandwidth
n/a
Requests
Free forever — 250 contacts + 500 email sends/month (email); SMS pay-as-you-go
Paid from
$45/mo
Visit site ↗