Postscript is one of the best free SMS marketing apps for abandoned cart recovery in 2025, offering intuitive interface, effective campaign building, and customer segmentation. Merchants praise its responsive support and seamless integration capabilities, with features like automated campaigns and A/B testing that significantly enhance marketing efforts.
Alternatives to Postscript include TxtCart: SMS Marketing & AI (4.9/5 stars) which offers 2-way SMS cart recovery and campaigns, SMSGo: Abandoned Cart Recovery (4.9/5 stars) for SMS marketing and upsell capabilities, and CW: WhatsApp Marketing & SMS (4.4/5 stars) for multi-channel messaging. Each offers different pricing structures and feature sets to suit various business needs.
To enable SMS collection at Shopify checkout, navigate to your Postscript dashboard and locate the checkout integration settings. You'll need to configure the opt-in flow, customize the messaging, and ensure compliance with SMS regulations. Postscript provides step-by-step documentation to guide you through the setup process.
To create abandoned cart automation flows, access the Automations section in your Postscript dashboard. Set up triggers based on cart abandonment timing, customize recovery messages with product recommendations, and schedule follow-up texts. You can A/B test different message variations to optimize conversion rates.
To adjust global UTM parameters, go to your Postscript account settings and locate the UTM configuration section. You can customize parameters for different campaign types, track performance across channels, and ensure consistent attribution tracking across all your SMS marketing efforts.