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Outsolvi vs Mailtrack (Mailsuite): Beyond Basic Email Tracking in 2026

Mailtrack is simple and cheap, but its free plan adds branding to your emails and it h AI insights. Here's when to upgrade — and to what.

Nate Summers
Co-Founder, Outsolvi
January 27, 20267 min read
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What Is Mailtrack (Mailsuite)?

Mailtrack — now rebranded — is one of the most widely installed Gmail tracking tools. Its appeal is clear: there's a free tier, the setup is instant, and it does exactly one thing well: telling you when someone opens your email.

For casual personal use, that's fine. For sales professionals, the gaps start to show quickly.

Mailtrack vs Outsolvi at a Glance

FeatureMailtrack/MailsuiteOutsolvi
Gmail supportYesYes
Native Outlook add-inNoYes
Free plan availableYes (with branding)No (14-day trial)
AI follow-up insightsNoYes
Reply sentiment analysisNoYes
Smart ComposeNoYes
Link click trackingLimitedYes
Team dashboardNoYes
Email branding on free planYes ("Sent with Mailtrack")N/A
Starting price (paid)$9.99/mo$7/mo
Email content storedNot specifiedNo (metadata only)

Pricing Comparison

Mailtrack/Mailsuite paid plan starts at $9.99/month. The free plan works but appends "Sent with Mailtrack" to every outgoing email — a branding footnote that makes your sales emails look unprofessional.

Outsolvi starts at $7/month — cheaper than Mailtrack's paid tier — with AI features, Outlook support, and no email branding on any plan.

The value comparison becomes stark: Mailtrack at $9.99/month gives you basic Gmail open tracking. Outsolvi at $7/month gives you Gmail + Outlook tracking, AI follow-up insights, reply sentiment, and Smart Compose.

Feature Comparison

What Mailtrack Does Well

Mailtrack's core feature — real-time open notifications for Gmail — works reliably. The double-checkmark visual indicator in Gmail (like WhatsApp for email) is intuitive and the notifications are timely.

For someone who just wants to know "did they open my email?" without any other requirements, it works.

The Free Plan Problem

The free plan appends "Sent with Mailtrack" signature to every email you send. In a casual context, that might be fine. In professional B2B sales, it signals that you're using a free tool — and it clutters your email signature with advertising for someone else's product.

The paid tier ($9.99/month) removes the branding and adds some analytics, but the fundamental feature set remains basic.

No Outlook Support

Mailtrack is Gmail-only. There is no Outlook add-in, no Microsoft 365 integration, no path to tracking emails sent from Outlook. For any team with Outlook users, this is a non-starter.

No AI Layer

Mailtrack doesn't offer AI follow-up suggestions, engagement scoring, reply sentiment analysis, or writing assistance. It notifies you when an email is opened. What you do with that information is entirely up to you.

Outsolvi takes the data and interprets it: "This prospect h your email 4 times today. Recommended: follow up now with a direct ask." That's the difference between a notification and an insight.

Team Features

Mailtrack h limited team features. Outsolvi's Teams Pro plan includes shared activity feeds, account-level visibility across team members, and AI analysis of team-wide engagement patterns.

Where Mailtrack Wins

  • Free tier exists: For individuals who want zero cost and basic open tracking in Gmail, the free tier is accessible.
  • Simplicity: Install, done. No configuration, no dashboard to learn.
  • Low friction: The Gmail double-checkmark indicator is intuitive and immediate.

Where Outsolvi Wins

  • Price (paid tiers): $7/mo vs $9.99/mo, with substantially more included.
  • Outlook support: Mailtrack doesn't exist in Outlook. Outsolvi does.
  • AI intelligence: Follow-up insights, sentiment analysis, Smart Compose — none of this exists in Mailtrack.
  • No branding on emails: Your emails look professional from day one.
  • Team features: Team-wide dashboards and coordination tools.

Who Should Choose Mailtrack?

Mailtrack's free plan suits individuals using Gmail casually who want basic open notifications and don't mind the "Sent with Mailtrack" branding. Once you're doing professional sales outreach, the limitations become friction.

Who Should Choose Outsolvi?

Outsolvi is the better choice for anyone doing professional sales, using Outlook, wanting AI guidance on follow-up timing, running a team that needs shared visibility, or looking for more value than a $9.99/month basic tracker offers.

The Verdict

Mailtrack is a convenient entry point — but sales professionals quickly outgrow it. At $7/month, Outsolvi is actually cheaper than Mailtrack's paid tier while offering Outlook support, AI insights, and team features that Mailtrack doesn't have at any price point.

Try Outsolvi free for 14 days — no credit card, no email branding, works in Outlook and Gmail.

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