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SPECIFICTION
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Klenty vs MailTag

Klenty

klenty.com

MailTag

mailtag.io

Side by side

FigureKlentyMailTag
Price from$4.17/mo$6.58/mo
Free plan—Yes
Free trialYesYes
Open source——
WebYesYes
APIYesYes
Plans published74
Spec score · Email Tracking Software9.0 (#10)8.2 (#15)
APIKlenty documents a REST API that uses a unique API key and JSON as its primary data format.The Business plan includes a Triage API that classifies email over HTTP.
HeadquartersCaliforniaMoraga, California, United States
SecurityKlenty’s pricing FAQ says the platform is SOC 2 Type II certified and GDPR-compliant.The site says mailbox app passwords are encrypted with AES-256-GCM and deleted when the mailbox or account is removed.

Plans

Klenty

  • Parallel & Power Dialer add-on$45 a month
  • Starter$50 a month
  • Starter$50 a year
  • Growth$70 a month
  • Growth$70 a year
  • Plus$99 a month
  • Plus$99 a year

Klenty pricing →

MailTag

  • FreeFree
  • Solo$79 a year
  • Pro$169 a year
  • Business$439 a year

MailTag pricing →

In their own words

Klenty

Klenty has no write-up on Specifiction yet; its figures are above.

Visit klenty.com

MailTag

MailTag categorizes incoming messages inside an inbox you already use. It supports Gmail, Google Workspace, iCloud, Yahoo, Fastmail and IMAP mailboxes, and checks for new mail every five minutes. You can use its categories or describe custom ones in a single line. Existing mail can be labeled in one pass without deletion. Sender and domain controls let you unsubscribe, archive or apply a label rule, with confirmation and undo. MailTag says processing happens in memory on its own hardware in Germany, without sending email to outside services or storing message content. App passwords are encrypted with AES-256-GCM. Paid plans provide per-category webhooks for services such as Slack, Discord, Zapier, Make and n8n; Business adds an HTTP Triage API. The Free plan covers one mailbox and 100 labeled emails monthly. Solo is $6.59 a year, Pro $14.08 a year and Business $36.58 a year, each billed annually as listed. Seven days of Pro are available without a card, after which accounts move to Free unless upgraded.

Visit mailtag.io