All Comparisons
Head-to-HeadUpdated June 10, 2026

HubSpot Sales Hub vs Mailtrack

A Gmail user comparing HubSpot Sales and Mailtrack is usually choosing between 'free CRM with tracking' and 'free standalone tracker.'

HubSpot Sales Hub's free tier includes basic email tracking inside HubSpot CRM. Mailtrack's free tier is Gmail-only tracking with a branded footer. Both are free at entry; the upgrade paths diverge sharply.

If you want a CRM long-term, HubSpot. If you only want tracking and no CRM, Mailtrack.

Where HubSpot Sales Hub and Mailtrack differ

CRM functionality
HubSpot Sales Hub
Native HubSpot CRM included
Mailtrack
No CRM; tracking only
HubSpot Sales Hub
Tracking depth
HubSpot Sales Hub
HubSpot free tier has basic tracking, deeper at paid tiers
Mailtrack
Mailtrack focuses entirely on tracking; UX is tracker-specific
Mailtrack
Outlook support
HubSpot Sales Hub
HubSpot has Outlook add-in (weaker than Gmail)
Mailtrack
Mailtrack is Gmail-only
HubSpot Sales Hub
AI features
HubSpot Sales Hub
HubSpot AI gated to Sales Hub Pro at $90+/user/mo
Mailtrack
Mailtrack has no AI features
Even
Free tier branding
HubSpot Sales Hub
HubSpot free has no branded tracking footer
Mailtrack
Mailtrack free appends 'Sent with Mailtrack' footer
HubSpot Sales Hub
Where HubSpot Sales Hub and Mailtrack overlap

Both have generous free tiers, both integrate with Gmail, both track opens and clicks via tracking pixels. Neither has confidence scoring exposed to the rep.

Verdict by buyer profile

Profile
Team building CRM ops in HubSpot

HubSpot's free CRM is the gateway; tracking is part of the stack.

Pick: HubSpot Sales Hub
Profile
Solo Gmail sender, no CRM needs

Mailtrack free is the minimum-viable answer.

Pick: Mailtrack
Profile
Team wanting accurate tracking on Outlook + Gmail

Confidence scoring + native dual-client at $7.

Pick: Outsolvi
Outsolvi as a third option

Outsolvi at $7/user/mo yearly is the tracking-intelligence layer that neither HubSpot Sales nor Mailtrack covers: native Outlook + Gmail parity, Tier 1-5 confidence scoring, AI signals included at base tier, no branded footer.

Frequently asked questions

Is HubSpot's free tracking unlimited?+

Free tier allows tracking on 5 templates with basic open notifications. Beyond that, upgrade is required.

Will I outgrow Mailtrack quickly?+

Most B2B users outgrow Mailtrack within 6-12 months. The lack of Outlook support, AI features, and confidence scoring become limiting.

Want the third-option breakdown?

Outsolvi covers Outlook + Gmail natively, exposes Tier 1 to 5 confidence scoring on opens, and includes AI reply sentiment at the $7/user/mo yearly base tier. 14-day free trial, no credit card.

Start 14-Day Free Trial

Deeper resources for each tool

Compare each tool against Outsolvi directly, see ranked alternatives, or read the migration guide.

Nate SummersCo-Founder, Outsolvi

Nate built Outsolvi after watching every email-tracking tool he had ever used lie to him about opens. Outsolvi runs Tier 1 to 5 confidence scoring on every open, native in Outlook and Gmail, so the number on the dashboard is one a rep can actually act on.

Last reviewed June 10, 2026Editorially independent

We update these pages when the underlying mechanics change. new mailbox-provider rules, new tracker behavior, new measurement gaps. The dates above are real revisions, not auto-touches.