Sendgrid vs addy.io Comparison (2026)

What are the differences between Sendgrid and addy.io?

Forward Email Team
Written by
Forward Email TeamVerified
Published
2/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Sendgrid. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Sendgridvs.addy.io

Sendgrid

Get your emails to the inbox—where they belong
"Get your emails to the inbox—where they belong"
  • 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
$19.95/moPricing$4/mo
No Sendgrid does not support storageStorageNo addy.io does not support storage
30 MBAttachments25 MB
NoOpen-SourceYes
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesYes
NoTTI No
YesSMTPNo
NoIMAPNo
NoPOP3No
YesAPINo
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Sendgrid

Sendgrid is a closed-source email service. Their website says: Get your emails to the inbox—where they belong

Sendgrid is a closed-source email service.
Screenshot by Forward Email
Go to site
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.
Screenshot by Forward Email
Go to site

Compare Sendgrid with 78 email services