Mailchimp vs addy.io Comparison (2025)

What are the differences between Mailchimp and addy.io?

Forward Email Team
Written by
Forward Email TeamVerified
Published
7/1/25
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Mailchimp.

Email Service Comparison

20 facts in comparison
Mailchimpvs.addy.io

Mailchimp

Turn Emails into Revenue
"Turn Emails into Revenue"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

addy.io

Protect your real email address using email aliases
"Protect your real email address using email aliases"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$33/moPricing$4/mo
No Mailchimp does not support storageStorageNo addy.io does not support storage
25 MBAttachments25 MB
NoOpen-SourceYes
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesYes
NoTTI No
❌ Requires paid add-on for Mandrill of at least $20/moSMTPNo
NoIMAPNo
NoPOP3No
YesAPINo
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Mailchimp

Mailchimp is a closed-source email service. Their official description reads: Turn Emails into Revenue

Mailchimp is a closed-source email service.
Photograph by Forward Email
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Open-source

addy.io

addy.io is an open-source email service. Its description from its website is: Protect your real email address using email aliases

addy.io is an open-source email service.
Photo by Forward Email
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Compare Mailchimp with 78 email services