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SPECIFICTION
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DidTheyReadIt vs Mixmax

DidTheyReadIt

didtheyreadit.com

Mixmax

mixmax.com

Side by side

FigureDidTheyReadItMixmax
Price fromFree$29/mo
Free planYesYes
Free trialYesYes
Open source——
WebYesYes
WindowsYesYes
macOSYesYes
Linux—Yes
API—Yes
Plans published410
Spec score · Sales Email Tracking Software9.0 (#6)9.1 (#5)
Company legal nameThe official terms identify the provider as DidTheyReadIt.com, Ltd.Crunchbase lists the legal name as Mixmax, Inc., an active for-profit company.
Email trackingThe service invisibly tracks sent email and notifies the sender when a recipient opens it.Paid plans track opens, clicks and replies without a stated limit.
HeadquartersThe company says it is based in Houston, Texas and has branch offices worldwide.San Francisco, California, United States
LicenceAlternativeTo lists the commercial service as proprietary rather than open source.Mixmax's terms state that Mixmax owns the services and prohibit copying, modification, reverse engineering and exploitation, indicating proprietary software rather than open source.
Rating on G24 out of 5 from 1 reviews4.6 out of 5 from 1,486 reviews
SupportThe terms list [email protected] as the support contact.Mixmax provides a Help Center, support messenger, email support, and an AI assistant named Maxine available 24/7 in the web app.
What it doesDidTheyReadIt tracks sent email openings and sends the sender read notifications.Mixmax runs sales outreach inside Gmail by sending personalized follow-ups, tracking engagement, managing reminders and booking meetings.

Plans

DidTheyReadIt

  • Free SubscriptionFree
  • Annual SubscriptionPrice not published
  • Quarterly SubscriptionPrice not published
  • Semi-Annual SubscriptionPrice not published

DidTheyReadIt pricing →

Mixmax

  • FreeFree
  • I follow up now and thenFree
  • Inbox Copilot$29 a month
  • I reach out every week$29 a month
  • Engagement Copilot$49 a month
  • Mixmax Suite$89 a month
  • Outreach is my job$89 a month
  • We run outreach at scale$129 a month
  • Meeting CopilotPriced on request
  • Mixmax for TeamsPriced on request

Mixmax pricing →

In their own words

DidTheyReadIt

DidTheyReadIt tracks sent email and alerts the sender when a recipient opens a tracked message. Receipts can show the opening time, how long the message remained open, and an approximate location based on the reader’s IP address. To set up tracking, users add.DidTheyReadIt.com to the recipient address; instructions cover Outlook, Thunderbird, Gmail, Yahoo, Hotmail, Mac users, and other email clients. An optional Auto-Tracker is described as a Windows beta with email-program and browser plugins. A paid PDF add-on creates trackable PDF copies and reports when and where they are opened. For a message sent to multiple recipients, the service tracks the message rather than each person, so it cannot name the opener; location may offer a clue. The free subscription costs nothing, though trial duration and message limits may vary. The privacy policy says the service does not save or copy messages sent through its online services.

Visit didtheyreadit.com

Mixmax

Mixmax is a sales engagement platform for revenue teams using Gmail or Outlook. It runs as a Chrome extension for Gmail, an Outlook add-in, and a web dashboard for sequences, reports, and workspace settings. Multi-stage sequences can send follow-up emails, create tasks, and schedule calls using merge variables and CSV uploads. Real-time email open and click tracking comes with desktop notifications, while scheduling links let recipients choose a time and add the meeting to both calendars. Rules can create Salesforce tasks after emails are opened or add recipients to sequences when deal stages change. Mixmax also syncs email, meeting, and sequence activity to Salesforce or HubSpot, and lists more than 40 native integrations included on every plan. The Free plan allows 20 tracked emails and up to 50 sequence recipients per month. Paid plans start at $29/user/mo billed annually; a 14-day trial is available. Mixmax requires Chrome for its extension and may limit one user's sending to 1,000 emails per day.

Visit mixmax.com