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Head-to-head · Sales Email Tracking Software

Outsolvi vs Vocus.io

  • Updated Oct 2026
  • Both researched from official sources
  • 8 checks side by side
Higher score Outsolvi #3 in Sales Email Tracking Software 9.1/10 14-day trial Free trial✓ 6 of 6 features Visit Outsolvi
Vocus.io #5 in Sales Email Tracking Software 8.8/10 30-day trial Free trial✓ 5 of 6 features Visit Vocus.io

Outsolvi leads on 1 check, Vocus.io on 1, and 6 are even. Who comes out ahead on the 8 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOutsolvi · 9.1/10
  • Lowest starting priceVocus.io · $5/user/mo
  • Free trialboth
  • Most featuresOutsolvi · 6 of 6

Outsolvi scores higher on our rubric for sales email tracking software: 9.1 against 8.8 out of 10; our editors rank them #3 and #5.

Vocus.io is cheaper to start at $5/user/mo against $7/user/mo. On email client support, Outsolvi gives you Gmail_and_outlook where Vocus.io offers Gmail. Outsolvi offers attachment tracking; Vocus.io doesn't.

Outsolvi is the better fit for sales teams using Outlook or Gmail. Vocus.io is the better fit for gmail sales teams that want tracking and CRM logging.

  • Outsolvi fits best

    Sales teams using Outlook or Gmail

  • Vocus.io fits best

    Gmail sales teams that want tracking and CRM logging

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.

Side by side

Feature Outsolvi 9.1/10 Visit ↗ Vocus.io 8.8/10 Visit ↗
At a glance
Editor score 9.1 8.8
Ranking #3 in Sales Email Tracking Software #5 in Sales Email Tracking Software
Best for Sales teams using Outlook or Gmail Gmail sales teams that want tracking and CRM logging
Pricing model Paid Paid
Starting price $7/user/mo $5/user/mo (best)
Free plan — —
Free trial 14 days 30 days
Free trial length 14 days 30 days
Deployment Cloud, Browser extension Browser extension
Platforms Web, Chrome extension Chrome extension
Integrations 4 integrations 12 integrations
Features Outsolvi 6/6 · Vocus.io 5/6
Open tracking ✓ ✓
Click tracking ✓ ✓
Reply tracking ✓ ✓
Attachment tracking ✓ (best) —
Real-time alerts ✓ ✓
CRM synchronization ✓ ✓
Specs
Email client support Gmail_and_outlook Gmail
Our review
Pros
  • Confidence scoring filters scanner and machine-generated open activity.
  • Tracks clicks, replies and attachment downloads with real-time notifications.
  • Sequences stop when a recipient replies; AI supports writing and follow-ups.
  • Tracks opens per recipient, link clicks, and replies.
  • Automates follow-ups and provides templates, snippets, and reminders.
  • Logs email activity to CRMs through auto-BCC, webhooks, and Zapier.
Cons
  • Individual is limited to Outlook and Gmail support.
  • CRM logging is through webhooks rather than a listed native CRM integration.
  • Individual tracked-email limits differ across the vendor's published pages.
  • Supports Gmail and G Suite, not Outlook.
  • No free plan; the 30-day offer is a trial.
  • Campaign attachments can be sent, but attachment tracking is not supported.
Our verdict

Outsolvi brings email tracking and follow-up workflows together for sales representatives and teams using Outlook or Gmail. It records opens, link clicks, replies and attachment downloads, with confidence scoring intended to filter scanner…

Read the review →

For Gmail and G Suite users, Vocus.io combines email tracking with outreach automation and CRM logging. Sales teams can track opens per recipient, link clicks, and replies, then use scheduled sending, follow-up sequences, reminders, and…

Read the review →
  1. OutsolviSales Email Tracking Software 9.114-day trial
  2. Vocus.ioSales Email Tracking Software 8.830-day trial

Strengths and trade-offs

  • Outsolvi — where it wins

    • Confidence scoring filters scanner and machine-generated open activity.
    • Tracks clicks, replies and attachment downloads with real-time notifications.
    • Sequences stop when a recipient replies; AI supports writing and follow-ups.

    Where it doesn't

    • Individual is limited to Outlook and Gmail support.
    • CRM logging is through webhooks rather than a listed native CRM integration.
    • Individual tracked-email limits differ across the vendor's published pages.

  • Vocus.io — where it wins

    • Tracks opens per recipient, link clicks, and replies.
    • Automates follow-ups and provides templates, snippets, and reminders.
    • Logs email activity to CRMs through auto-BCC, webhooks, and Zapier.

    Where it doesn't

    • Supports Gmail and G Suite, not Outlook.
    • No free plan; the 30-day offer is a trial.
    • Campaign attachments can be sent, but attachment tracking is not supported.

More comparisons

All sales email tracking software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update