Best Mailcastr Alternatives in 2026
15 sales email tracking software our editors would look at instead of Mailcastr, in our ranking order.
Mailcastr: Gmail open and click tracking with real-time alerts and a free plan. Where it falls short: integrates with gmail only.
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Best forTeams wanting a broad email tracking toolkit
A broad tracking toolkit for teams working across email, PDFs, campaigns, and CRMs.
- Attachment tracking
- Reply tracking
- CRM synchronization
7.6/10★★★★☆Visit Mailsuite -
Best forAffordable Gmail and Outlook follow-up tracking
A follow-up toolkit for Gmail and Outlook, with tracking and scheduling from a free plan.
- Reply tracking
- CRM synchronization
- Click tracking
8.9/10★★★★☆Visit Boomerang -
Best forSales teams using Outlook or Gmail
Sales email tracking with confidence-scored opens, sequences and AI assistance.
- Attachment tracking
- Reply tracking
- CRM synchronization
8.6/10★★★★☆Visit Outsolvi -
Best forSales teams coordinating campaigns and personalization
Track engagement and run personalized campaigns, with Salesforce sync on Enterprise.
6.0/10★★★☆☆Visit Yesware -
Best forGmail sales teams that want tracking and CRM logging
Low-cost Gmail tracking with follow-ups, campaigns, and CRM logging.
- Reply tracking
- CRM synchronization
- Click tracking
7.9/10★★★★☆Visit Vocus.io -
Best forTeams running multichannel sales sequences
Combines email tracking with multichannel sequences, reply detection, and CRM reporting.
6.0/10★★★☆☆Visit Mixmax -
Best forGmail users wanting simple sales automation
Adds email engagement tracking and follow-up automation to Gmail.
- Reply tracking
- CRM synchronization
- Click tracking
7.9/10★★★★☆Visit Right Inbox -
Best forCross-platform users wanting AI email assistance
Email tracking and AI assistance across Apple Mail, Gmail, and Outlook.
Free plan · paid from $4/user/mo (annual) · 14-day trial Our Mailbutler Smart Assistant verdict → Visit Mailbutler5.6/10★★★☆☆Visit Mailbutler -
Best forOutlook teams needing tracked mail merges
Tracks email engagement and adds mail merges to Outlook, with plans from $10 per month billed annually.
- Reply tracking
- CRM synchronization
- Click tracking
7.9/10★★★★☆Visit EmailCaddie -
Best forGmail users focused on reminders and replies
Gmail-focused tracking and reminders, with automatic follow-ups on higher plans.
- Attachment tracking
- Reply tracking
- CRM synchronization
8.6/10★★★★☆Visit FollowUp.cc -
Best forUsers needing controlled attachment tracking
Track opens, links, and attachments, with recall and controls for sent messages.
- Attachment tracking
- Click tracking
- Open tracking
7.3/10★★★★☆Visit Pointofmail -
WhoReadMe not yet scored
Best forFree users needing broad message tracking
A free web service for tracking message activity across supported email clients.
- Attachment tracking
- Click tracking
- Open tracking
—not yet scoredVisit WhoReadMe -
Best forLow-cost email and document read tracking
Affordable email and document tracking with receipts, alerts, and message controls.
- Attachment tracking
- Click tracking
- Open tracking
7.3/10★★★★☆Visit ReadNotify -
Best forRead-duration and forwarding visibility
Tracks opens, read duration, approximate location, forwards and PDF activity.
- Attachment tracking
- Open tracking
- Real-time alerts
4.6/10★★☆☆☆Visit DidTheyReadIt -
Best forGmail users wanting affordable tracking reports
An affordable Gmail tracker with open and click reporting, alerts, reminders, and exports.
- Reply tracking
- Click tracking
- Open tracking
7.3/10★★★★☆Visit Email Tracker
Mailcastr Alternatives: Common Questions
What is the best alternative to Mailcastr?
Mailsuite: #1 in our Sales Email Tracking Software ranking, with an editor score of 7.6 out of 10. A broad tracking toolkit for teams working across email, PDFs, campaigns, and CRMs.
Is there a free alternative to Mailcastr?
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 Mailcastr?
Of the alternatives here that publish a price, Mailbutler Smart Assistant starts lowest, at $4/user/mo.
Mailcastr vs Each Alternative
| # | Tool | Free plan | Paid from | Email client support | Open tracking | Click tracking | Reply tracking | CRM synchronization | Score |
|---|---|---|---|---|---|---|---|---|---|
| 16 | Mailcastr | Yes | — | Gmail | Yes | Yes | — | — | 6.6 |
| 1 | Mailsuite | Yes | — | Gmail_and_outlook | Yes | Yes | Yes | Yes | 7.6 |
| 2 | Boomerang | Yes | $4.98/user/mo | Gmail_and_outlook | Yes | Yes | Yes | Yes | 8.9 |
| 3 | Outsolvi | No | $7/user/mo | Gmail_and_outlook | Yes | Yes | Yes | Yes | 8.6 |
| 4 | Yesware | Yes | $15/user/mo | — | — | — | — | — | 6.0 |
| 5 | Vocus.io | No | $5/user/mo | Gmail | Yes | Yes | Yes | Yes | 7.9 |
| 6 | Mixmax | Yes | $29/user/mo | — | — | — | — | — | 6.0 |
| 7 | Right Inbox | Yes | $7.95/user/mo | Gmail | Yes | Yes | Yes | Yes | 7.9 |
| 8 | Mailbutler Smart Assistant | Yes | $4/user/mo | — | — | — | — | — | 5.6 |
| 9 | EmailCaddie | No | — | Outlook | Yes | Yes | Yes | Yes | 7.9 |
| 10 | FollowUp.cc | No | $18/user/mo | Gmail | Yes | Yes | Yes | Yes | 8.6 |
| 11 | Pointofmail | No | — | Gmail_and_outlook | Yes | Yes | — | — | 7.3 |
| not scored | WhoReadMe | Yes | None | Gmail_and_outlook | Yes | Yes | — | — | — |
| 13 | ReadNotify | No | — | Gmail_and_outlook | Yes | Yes | — | — | 7.3 |
| 14 | DidTheyReadIt | No | — | Gmail_and_outlook | Yes | — | — | — | 4.6 |
| 15 | Email Tracker | — | $6.9/user/mo | Gmail | Yes | Yes | Yes | — | 7.3 |
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026