Best Postmark Alternatives (2026): 10+ options compared
Tools that share a category with Postmark, closest matches first (most shared categories, then the most specific), then by our score. Each score is for the category that alternative shares with Postmark. Costs are estimates for monthly billing based on each tool's listed plans. Our methodology
| # | Tool | Score | Free tier | Starting price | Est. monthly cost | Links |
|---|---|---|---|---|---|---|
| 6.1/10in Marketing | Yes | $15/mo | FreeFree | ||
| 1 |  Zapier is a no-code automation platform that connects thousands of business apps and adds AI steps, agents, and chatbots to workflows for teams of any size.
| 7.3/10in Marketing | Yes | $30/mo | $104/moTeam | |
| 2 |  Odoo is an open-source business suite whose CRM app handles leads, pipelines, calling, and reporting for small and mid-sized companies, with ERP modules available alongside it.
| 7.2/10in Marketing | Yes | €31/user/mo | FreeOne App Free | |
| 3 |  MailerLite is an email marketing platform for small businesses and creators, combining newsletters, automations, landing pages, sites, forms and digital product sales.
| 7.1/10in Marketing | Yes | $12/mo | $25/moPower | |
| 4 |  Judge.me is a Shopify app that collects and displays product reviews, star ratings, photo and video reviews, and testimonials for online stores.
| 7.1/10in Marketing | Yes | $15/mo | FreeFree | |
| 5 |  OneSignal is a customer messaging platform for sending mobile push, web push, in-app messages, email and SMS to app and website users.
| 7.1/10in Marketing | Yes | $19/mo | FreeFree | |
| 6 |  Iconosquare is an analytics-focused social media management platform for brands and agencies to schedule posts, track performance, monitor competitors and report results.
| 7/10in Marketing | Yes | €12/mo | €139/moCustom | |
| 7 |  HubSpot is a CRM platform with a free tier and paid per-seat Sales Hub plans, plus companion marketing and service hubs, aimed at small and mid-sized businesses.
| 6.9/10in Marketing | Yes | $20/user/mo | $200/moSales Hub Starter | |
| 8 |  Open-source publishing platform that combines a website, newsletters, and paid memberships for independent publishers, creators, and media businesses.
| 6.9/10in Marketing | No | Contact sales | Contact for pricing | |
| 9 |  Klaviyo is an email, SMS and customer data platform for ecommerce brands, priced by active profiles and built around store data and automated flows.
| 6.9/10in Marketing | Yes | $20/mo | FreeFree | |
| 10 |  Optimove is an AI-driven CRM marketing platform for consumer brands, built on a customer data platform and offering multichannel journey orchestration, segmentation and personalization.
| 6.9/10in Marketing | No | Contact sales | Contact for pricing | |
| 11 |  Email marketing and automation platform with a drag-and-drop builder, workflows, landing pages and forms, priced by contact count for small and mid-sized businesses.
| 6.9/10in Marketing | No | $9/mo | Contact for pricing | |
| 12 |  Brevo, formerly Sendinblue, is a multichannel marketing platform for email, SMS, WhatsApp, automation and transactional messaging, with a built-in sales CRM for small and mid-sized businesses.
| 6.9/10in Marketing | Yes | $9/mo | $499/moProfessional | |
| 13 |  MailerSend is a transactional email and SMS API with SMTP relay and a template builder, aimed at developers and businesses sending app-triggered messages.
| 6.9/10in Marketing | Yes | $7/mo | $110/moProfessional | |
| 14 | A Amazon SESAmazon Simple Email Service is AWS's pay-as-you-go cloud email API and SMTP service for sending transactional and bulk marketing email at high volume.
| 6.8/10in Marketing | No | $105/mo | $105/moPro | |
| 15 |  Bloomreach is an enterprise commerce marketing platform that unifies customer data, email, SMS, WhatsApp, web personalization, and AI-driven product discovery for large ecommerce brands.
| 6.8/10in Marketing | No | Contact sales | Contact for pricing |