# The best SendGrid alternatives Web page: https://fromly.io/alternatives/sendgrid ## Why people look for a SendGrid alternative - There is no lasting free plan, only a 60-day trial - Marketing campaigns are a separate product with their own pricing - The pricing page shows starting prices only, and overages may apply - You want lifecycle email driven by your Supabase users and Stripe billing, not only an API ## The alternatives ### Fromly Email marketing for SaaS: connects to Supabase and Stripe so emails follow what users actually do, with campaigns, automations and a transactional API. - Best for: SaaS teams on Supabase and Stripe who want emails driven by product data. - Pricing: Your first 1,000 emails are free. After that, every email costs $0.001, prepaid. Unlimited contacts. - Strengths: Supabase sign-ups and Stripe billing on every contact, with no code; Pay per email from the first one, unlimited contacts; Each workspace sends under its own reputation - Limits: No A/B testing, signup forms or SMS yet; Stripe is the only billing tool connected today - Website: https://fromly.io - Comparison: https://fromly.io/compare/fromly-vs-sendgrid ### Resend An email API built for developers, with broadcasts and automations on top. - Best for: Developers who mostly send transactional email from code. - Pricing: Transactional plans by volume, 3,000 free; marketing priced by contacts, from $20/mo for 50,000 emails - Strengths: A polished developer experience: SDKs in many languages, React Email and a test mode; 3,000 free transactional emails a month; Above about 20,000 transactional emails a month, cheaper than Fromly: $35 for 100,000 - Limits: Marketing email is a separate plan, priced by contacts; The free plan stops at 100 emails a day; Automations are billed per run beyond the free 10,000 - Website: https://resend.com - Comparison: https://fromly.io/compare/fromly-vs-resend ### Mailgun An email API and SMTP relay for developers sending at high volume. - Best for: Engineering teams sending large volumes of transactional email. - Pricing: Plans by volume, 100 emails a day free, from $15/mo for 10,000 emails - Strengths: Cheaper than Fromly from 50,000 emails a month: $35 against $50, and $90 against $100 at 100,000; Built for very high volumes, with dedicated IPs, US or EU hosting and an uptime SLA; Email validation, inbound routing and inbox previews from the same vendor - Limits: An API, not a marketing tool: the page says there is no send button, and no automations are listed; One sending domain and one day of logs on Free and Basic; No firm price for 500,000 emails without overage or a sales quote - Website: https://www.mailgun.com - Comparison: https://fromly.io/compare/fromly-vs-mailgun ### Plunk An open-source email platform for transactional email, automations and campaigns, with a self-hosted option. - Best for: Developers who want open source, or to host their email platform themselves. - Pricing: $0.001 per email, free plan up to 1,000, from Free, then $0.001 per email - Strengths: Open source (AGPL-3.0) and self-hostable with Docker Compose; Same per-email price as Fromly, every feature on every plan; Inbound email, SMTP and an MCP server included - Limits: Plunk branding on free emails; No built-in Supabase or Stripe connection stated: triggers come from events your code sends - Website: https://www.useplunk.com - Comparison: https://fromly.io/compare/fromly-vs-plunk ### Sequenzy An all-in-one email platform for SaaS and ecommerce: campaigns, automations, transactional API, SMS and a shared inbox. - Best for: Teams who want one broad platform, with forms, A/B tests, SMS and revenue attribution included. - Pricing: Free up to 2,500 emails, then volume tiers, from $19/mo for 15,000 emails - Strengths: A very broad feature set on every plan, free included; 2,500 free emails a month; From about 30,000 emails a month, as cheap as Fromly or cheaper - Limits: Prices move in tiers: 16,000 emails cost the 30,000 tier; A large product to learn when you only need a few flows - Website: https://www.sequenzy.com - Comparison: https://fromly.io/compare/fromly-vs-sequenzy ### Brevo A marketing suite with email, SMS, WhatsApp, a CRM and transactional email. - Best for: Small businesses who want email, SMS and a CRM in one subscription. - Pricing: Plans by email volume, free with a daily cap, from $9/mo for 5,000 emails - Strengths: Email, SMS, WhatsApp, push and a CRM under one roof; Cheaper than Fromly from about 100,000 emails a month: $82 on Starter against $100; A/B testing, forms, landing pages and revenue reports, which Fromly does not have - Limits: Automation starts on Standard: 10,000 emails a month cost $35 there; Prices move in tiers: 10,001 emails on Starter cost the 15,000 tier, $25; Shared IPs by default; a dedicated IP only on Enterprise - Website: https://www.brevo.com - Comparison: https://fromly.io/compare/fromly-vs-brevo ### Mailchimp The best-known email marketing platform, with templates, automations and a large ecosystem of integrations. - Best for: Marketing teams and small businesses who want a familiar all-round tool. - Pricing: Priced by contacts, with a send limit, from $13/mo for 500 contacts - Strengths: A large template library, a drag-and-drop editor and over 300 integrations; Forms, landing pages, A/B tests and surveys in the same account; Familiar to most marketers, with onboarding help on paid plans - Limits: Priced by contacts, with sends capped at 10 to 15 times your contact count; Automations are limited to 4 steps on Essentials and are not on the free plan; Built around stores and marketing lists, not product events from a SaaS - Website: https://mailchimp.com - Comparison: https://fromly.io/compare/fromly-vs-mailchimp ## Frequently asked questions ### What is the best SendGrid alternative for SaaS? It depends on what you need. Fromly fits a SaaS on Supabase and Stripe that wants campaigns, automations and transactional email in one product. Resend is a developer-first email API with a free plan. Mailgun is another established API for high transactional volume. ### Is there a cheaper alternative to SendGrid? Below about 20,000 emails a month, Fromly and Plunk are cheaper at $0.001 per email: 10,000 emails cost $10 against $19.95. Above that, Resend Pro costs $20 for 50,000 emails and $35 for 100,000. ### Which SendGrid alternative has a free plan? Plunk is free up to 1,000 emails a month, Sequenzy up to 2,500 and Resend up to 3,000 (100 a day). Brevo allows 300 emails a day and Mailgun 100 a day. Fromly offers 1,000 emails once at sign-up. ## Sources Prices and features of each tool were checked on its own website: SendGrid on 2026-10-10, Resend on 2026-10-10, Mailgun on 2026-10-10, Plunk on 2026-10-10, Sequenzy on 2026-10-10, Brevo on 2026-10-10, Mailchimp on 2026-10-10.