Brevo icon

Brevo

★★★★ 4.3
VS
Proton icon

Proton

★★★★★ 4.5
Feature Brevo Proton
Pricing Free / from $25/mo Free / from $3.99/mo
Free Plan ✓ Yes ✓ Yes
Rating 4.3 / 5 4.5 / 5
Best For small-businesses, startups, ecommerce, developers-needing-transactional-email privacy-advocates, journalists, activists, security-conscious-users
Founded 2012 2014
Email Campaigns
Sms Marketing
Whatsapp Campaigns
Marketing Automation
Crm
Transactional Api
Landing Pages
Encrypted Email
Vpn
Cloud Storage
Calendar
Password Manager
Aliases
Self Destructing Messages

✓ Brevo Pros

  • Generous free plan with 300 emails per day
  • Multi-channel: email, SMS, WhatsApp, push in one tool
  • Built-in CRM included in all plans
  • Transactional email/SMS API for developers

✗ Brevo Cons

  • Email editor less polished than Mailchimp
  • Automation features less advanced than ActiveCampaign
  • Customer support can be slow on free plan

✓ Proton Pros

  • End-to-end encryption for all services
  • Swiss-based with strong privacy laws
  • Open-source and independently audited
  • Comprehensive privacy suite (mail, VPN, drive, calendar)
  • Free tier available for all services

✗ Proton Cons

  • Free storage is limited (1GB for mail)
  • Less feature-rich than mainstream alternatives
  • Search functionality limited due to encryption

The Verdict

Brevo is built for small businesses and startups, with a focus on email-campaigns and sms-marketing. Proton targets privacy advocates and journalists and leads with encrypted-email and vpn.

On pricing, Proton is the clear winner for budget-conscious users — starting at $3.99/mo compared to $25/mo for Brevo. That $21.009999999999998/mo difference adds up quickly for growing teams.

Both offer free plans, so you can test each with your real workflow before committing to a subscription.

This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.

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