SONAR vs Mailtrack: Which Email Tracker Is Better?
If you're looking for an email tracker for Gmail, you've probably come across both SONAR and Mailtrack. Both are popular options, but they serve different needs. Let's break down the differences to help you make the right choice.
Pricing Comparison
SONAR
- Free Plan: 5 emails/day, 48-hour tracking window
- Pro: $5/month (billed annually at $49)
- Advanced: $9/month
Mailtrack
- Free Plan: Limited features with Mailtrack branding
- Premium: $9.99/month
- Annual: ~$8.33/month when billed yearly
Winner: SONAR - You get more features for less money.
Privacy & Data Handling
SONAR
- ISO 27001 certified
- Never sells user data
- No reading of email content
- Transparent about data practices
Mailtrack
- Free tier includes data collection for their analytics
- Has been criticized for selling anonymized user data in the past
- Their business model relies partly on data monetization
Winner: SONAR - Stronger privacy commitment.
Features
| Feature | SONAR | Mailtrack |
|---|---|---|
| Email open tracking | ✅ | ✅ |
| Link click tracking | ✅ (Advanced) | ✅ |
| Real-time notifications | ✅ | ✅ |
| Remove branding | ✅ (Pro+) | ❌ (Paid only) |
| PDF/Attachment tracking | ✅ (Advanced) | ❌ |
| Multiple opens tracking | ✅ | ✅ |
| Daily reports | ✅ | ✅ |
Winner: SONAR - More advanced features at lower price points.
User Experience
Installation
- SONAR: One-click install, works in under 30 seconds
- Mailtrack: Requires more setup, including email signature configuration
Daily Use
- SONAR: Works invisibly in the background
- Mailtrack: Adds a visible signature to every email ("Sent with Mailtrack")
Winner: SONAR - Cleaner, more professional experience.
Tracking Accuracy
Both services offer similar accuracy for standard email tracking. However, SONAR's architecture is specifically optimized for Gmail, giving it a slight edge in reliability.
Conclusion
When comparing SONAR vs Mailtrack, SONAR wins on:
- Price (80% cheaper)
- Privacy (no data selling)
- Features (more at each tier)
- User experience (invisible tracking)
If you value your privacy and want a more affordable solution with better features, SONAR is the clear choice.