Fromly

The best Mailgun alternatives

6 tools to consider instead of Mailgun, compared on price, free plan and features, with what each one does well and where it falls short.

TL;DR

  1. 1Fromly · SaaS teams on Supabase and Stripe who want emails driven by product data.
  2. 2Resend · Developers who mostly send transactional email from code.
  3. 3SendGrid · Companies sending high volumes of transactional email who want an established provider.
  4. 4Plunk · Developers who want open source, or to host their email platform themselves.
  5. 5Sequenzy · Teams who want one broad platform, with forms, A/B tests, SMS and revenue attribution included.
  6. 6Brevo · Small businesses who want email, SMS and a CRM in one subscription.

Why look for a Mailgun alternative?

  • It is an API only: no send button, campaigns or automations in the app
  • Free and Basic allow one sending domain and keep logs for one day
  • Extra emails above a plan are billed as overage, from $1.10 to $1.80 per 1,000
  • You want product data from Supabase and Stripe to drive your emails

6 Mailgun alternatives

  1. 1.Fromly

    Free, then $0.001 per email

    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.

    Pros

    • 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

    Cons

    • No A/B testing, signup forms or SMS yet
    • Stripe is the only billing tool connected today
    Fromly vs MailgunStart free

  2. 2.Resend

    $20/mo for 50,000 emails

    An email API built for developers, with broadcasts and automations on top.

    Best for developers who mostly send transactional email from code.

    Pros

    • 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

    Cons

    • 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
    Fromly vs ResendVisit Resend

  3. 3.SendGrid

    $19.95/mo (Essentials)

    Twilio's email API and SMTP relay, one of the longest-running sending services, with a separate marketing product.

    Best for companies sending high volumes of transactional email who want an established provider.

    Pros

    • Built and proven for very high volumes, with a 99.99% uptime SLA
    • A dedicated IP included from the Pro plan
    • Part of Twilio, alongside SMS and voice

    Cons

    • No lasting free plan, only a 60-day trial
    • Marketing campaigns are a separate product and plan
    • One teammate only on Essentials
    Fromly vs SendGridVisit SendGrid

  4. 4.Plunk

    Free, then $0.001 per email

    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.

    Pros

    • 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

    Cons

    • Plunk branding on free emails
    • No built-in Supabase or Stripe connection stated: triggers come from events your code sends
    Fromly vs PlunkVisit Plunk

  5. 5.Sequenzy

    $19/mo for 15,000 emails

    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.

    Pros

    • 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

    Cons

    • Prices move in tiers: 16,000 emails cost the 30,000 tier
    • A large product to learn when you only need a few flows
    Fromly vs SequenzyVisit Sequenzy

  6. 6.Brevo

    $9/mo for 5,000 emails

    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.

    Pros

    • 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

    Cons

    • 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
    Fromly vs BrevoVisit Brevo

Side by side

ToolPricingStarts at
Fromly$0.001 per email, first 1,000 freeFree, then $0.001 per email
ResendTransactional plans by volume, 3,000 free; marketing priced by contacts$20/mo for 50,000 emails
SendGridPlans by volume, 60-day free trial$19.95/mo (Essentials)
Plunk$0.001 per email, free plan up to 1,000Free, then $0.001 per email
SequenzyFree up to 2,500 emails, then volume tiers$19/mo for 15,000 emails
BrevoPlans by email volume, free with a daily cap$9/mo for 5,000 emails
Mailgun(for reference)Plans by volume, 100 emails a day free$15/mo for 10,000 emails

FAQ

Mailgun alternatives: questions, answered

What is the best Mailgun alternative for SaaS?
If you want campaigns and automations driven by your Supabase users and Stripe billing, Fromly. If you only need a developer API, Resend and SendGrid are the closest matches.
Is there a cheaper alternative to Mailgun?
Below 50,000 emails a month, yes: Fromly and Plunk charge $0.001 per email, so 10,000 emails cost $10 against $15 on Mailgun. From 50,000 emails, Mailgun is cheaper than Fromly.
Which Mailgun alternative has campaigns and automations?
Fromly, Sequenzy and Brevo all include campaigns and automations next to a transactional API, so marketing and product email live in one tool.

Turn your signups into customers with email

Connect Supabase and Stripe, let your agent draft your first flow, and send your first 1,000 emails for free.

Start with 1,000 free emails