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Best Sellizer Alternatives in 2026

#26 of 27 in Sales Email Tracking Software

The top Sellizer alternatives are Mailsuite, Boomerang and Outsolvi: 15 sales email tracking software our editors would look at instead of Sellizer, in our ranking order.

6.3/10Editor score
Sellizer6.3 Visit Sellizer

Sellizer: Tracks proposal engagement and automates follow-ups, with CRM integrations and AI sales prediction. Where it falls short: centers on proposal engagement rather than general email-body link tracking.

Switching from Sellizer? For most sales email tracking software buyers the best Sellizer alternative is Mailsuite, built for teams wanting a broad email tracking toolkit. On a budget, Vocus.io starts at $5/user/mo.

Why People Look for a Sellizer Alternative

  • Centers on proposal engagement rather than general email-body link tracking
  • Solo and Team limit monthly proposal volume
  • Enterprise is designed for companies with over 10 sales team members
  • No free plan — 7 of the alternatives below have it

Quick Picks by What You Need

All 15 Sellizer Alternatives, Ranked

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

  1. Mailsuite

    Best forTeams wanting a broad email tracking toolkit

    • Better than Sellizer:
    • Free plan
    • Editor score 9.4 vs 6.3

    A broad tracking toolkit for teams working across email, PDFs, campaigns, and CRMs.

    • Attachment tracking
    • Reply tracking
    • CRM synchronization
    9.4/10★★★★★
    Visit Mailsuite
  2. Boomerang

    Best forAffordable Gmail and Outlook follow-up tracking

    • Better than Sellizer:
    • Free plan
    • Editor score 9.2 vs 6.3

    A follow-up toolkit for Gmail and Outlook, with tracking and scheduling from a free plan.

    • Reply tracking
    • CRM synchronization
    • Click tracking
    Free plan · 30-day trial Our Boomerang verdict → Visit Boomerang
    9.2/10★★★★★
    Visit Boomerang
  3. Outsolvi

    Best forSales teams using Outlook or Gmail

    • Better than Sellizer:
    • Editor score 9.1 vs 6.3

    Sales email tracking with confidence-scored opens, sequences and AI assistance.

    • Attachment tracking
    • Reply tracking
    • CRM synchronization
    9.1/10★★★★★
    Visit Outsolvi
  4. Yesware

    Best forSales teams coordinating campaigns and personalization

    • Better than Sellizer:
    • Free plan
    • Editor score 9.0 vs 6.3

    Track engagement and run personalized campaigns, with Salesforce sync on Enterprise.

    Free plan · 14-day trial Our Yesware verdict → Visit Yesware
    9.0/10★★★★☆
    Visit Yesware
  5. Vocus.io

    Best forGmail sales teams that want tracking and CRM logging

    • Better than Sellizer:
    • Editor score 8.8 vs 6.3

    Low-cost Gmail tracking with follow-ups, campaigns, and CRM logging.

    • Reply tracking
    • CRM synchronization
    • Click tracking
    8.8/10★★★★☆
    Visit Vocus.io
  6. Mixmax

    Best forTeams running multichannel sales sequences

    • Better than Sellizer:
    • Free plan
    • Editor score 8.7 vs 6.3

    Combines email tracking with multichannel sequences, reply detection, and CRM reporting.

    Free plan · 14-day trial Our Mixmax verdict → Visit Mixmax
    8.7/10★★★★☆
    Visit Mixmax
  7. Best forGmail users wanting simple sales automation

    • Better than Sellizer:
    • Free plan
    • Editor score 8.5 vs 6.3

    Adds email engagement tracking and follow-up automation to Gmail.

    • Reply tracking
    • CRM synchronization
    • Click tracking
    8.5/10★★★★☆
    Visit Right Inbox
  8. Best forCross-platform users wanting AI email assistance

    • Better than Sellizer:
    • Free plan
    • Editor score 8.4 vs 6.3

    Email tracking and AI assistance across Apple Mail, Gmail, and Outlook.

    8.4/10★★★★☆
    Visit Mailbutler
  9. Best forOutlook teams needing tracked mail merges

    • Better than Sellizer:
    • Editor score 8.2 vs 6.3

    Tracks email engagement and adds mail merges to Outlook, with plans from $10 per month billed annually.

    • Reply tracking
    • CRM synchronization
    • Click tracking
    8.2/10★★★★☆
    Visit EmailCaddie
  10. Best forGmail users focused on reminders and replies

    • Better than Sellizer:
    • Editor score 8.0 vs 6.3

    Gmail-focused tracking and reminders, with automatic follow-ups on higher plans.

    • Attachment tracking
    • Reply tracking
    • CRM synchronization
    8.0/10★★★★☆
    Visit FollowUp.cc
  11. Best forUsers needing controlled attachment tracking

    • Better than Sellizer:
    • Editor score 7.9 vs 6.3

    Track opens, links, and attachments, with recall and controls for sent messages.

    • Attachment tracking
    • Click tracking
    • Open tracking
    7.9/10★★★★☆
    Visit Pointofmail
  12. WhoReadMe

    Best forFree users needing broad message tracking

    • Better than Sellizer:
    • Free plan
    • Editor score 7.8 vs 6.3

    A free web service for tracking message activity across supported email clients.

    • Attachment tracking
    • Click tracking
    • Open tracking
    7.8/10★★★★☆
    Visit WhoReadMe
  13. Best forLow-cost email and document read tracking

    • Better than Sellizer:
    • Editor score 7.7 vs 6.3

    Affordable email and document tracking with receipts, alerts, and message controls.

    • Attachment tracking
    • Click tracking
    • Open tracking
    7.7/10★★★★☆
    Visit ReadNotify
  14. Best forRead-duration and forwarding visibility

    • Better than Sellizer:
    • Editor score 7.6 vs 6.3

    Tracks opens, read duration, approximate location, forwards and PDF activity.

    • Attachment tracking
    • Open tracking
    • Real-time alerts
    7.6/10★★★★☆
    Visit DidTheyReadIt
  15. Best forGmail users wanting affordable tracking reports

    • Better than Sellizer:
    • Editor score 7.5 vs 6.3

    An affordable Gmail tracker with open and click reporting, alerts, reminders, and exports.

    • Reply tracking
    • Click tracking
    • Open tracking
    7.5/10★★★★☆
    Visit Email Tracker

Sellizer Alternatives: Common Questions

What is the best alternative to Sellizer?

Mailsuite: #1 in our Sales Email Tracking Software ranking, with an editor score of 9.4 out of 10. A broad tracking toolkit for teams working across email, PDFs, campaigns, and CRMs.

Is there a free alternative to Sellizer?

Yes. Mailsuite, Boomerang, Yesware, Mixmax and Right Inbox have a free plan or a free tier (7 of the 15 alternatives on this page).

What is the cheapest paid alternative to Sellizer?

Of the alternatives here that publish a price, Vocus.io starts lowest, at $5/user/mo.

Why do people look for Sellizer alternatives?

Centers on proposal engagement rather than general email-body link tracking; Solo and Team limit monthly proposal volume; Enterprise is designed for companies with over 10 sales team members.

How do I switch from Sellizer?

Export your data from Sellizer (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Sellizer.

How to Switch from Sellizer

  1. Export your data from Sellizer (most tools have an export in their settings).
  2. Sign up for the alternative; start on its free plan or trial if it has one.
  3. Import your export and set up the integrations your team relies on.
  4. Run both side by side for a short while, then cancel Sellizer.

Sellizer vs Each Alternative

#ToolFree planPaid fromEmail client supportOpen trackingClick trackingReply trackingCRM synchronizationScore
26SellizerNoGmail_and_outlookYesYesYes6.3
1MailsuiteYesGmail_and_outlookYesYesYesYes9.4
2BoomerangYesGmail_and_outlookYesYesYesYes9.2
3OutsolviNo$7/user/moGmail_and_outlookYesYesYesYes9.1
4YeswareYes$15/seat/mo9.0
5Vocus.ioNo$5/user/moGmailYesYesYesYes8.8
6MixmaxYes$29/user/mo8.7
7Right InboxYes$9.95/user/moGmailYesYesYesYes8.5
8Mailbutler Smart AssistantYes$7/user/mo8.4
9EmailCaddieNo$10/moOutlookYesYesYesYes8.2
10FollowUp.ccNo$18/user/moGmailYesYesYesYes8.0
11PointofmailNo$19.99/moGmail_and_outlookYesYes7.9
12WhoReadMeYesFreeGmail_and_outlookYesYes7.8
13ReadNotifyNo$24/yrGmail_and_outlookYesYes7.7
14DidTheyReadItNoGmail_and_outlookYes7.6
15Email Tracker$6.90/user/moGmailYesYesYes7.5

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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