G2 Vendor Directory

Doubletick - Email Tracking for Gmail and GSuite vs. Opensense Email Signatures

A side-by-side comparison based on G2 review data.

MetricDoubletick - Email Tracking for Gmail and GSuite

by Doubletick

Opensense Email Signatures

by Opensense

Overall rating4.64.7
Review count13387
Ease of use9.58.8
Ease of setup8.68.6
Quality of support8.69.7
Meets requirements9.09.5
NPS83.33333386.16188
Small Business50.0%13.2%
Mid-Market33.3%69.8%
Enterprise16.7%17.1%
Total page views73943
Total LLM citations677,426

Doubletick - Email Tracking for Gmail and GSuite

Doubletick is Free and unlimited email tracking for Gmail and Google Workspace (G Suite) with real-time desktop notifications and WhatsApp like double tick marks (✓✓) in your sent box. A single blue tick ✓ indicates that an email has been sent, but yet to be opened by the recipient. Double blue ticks ✓✓ mean that your email has been opened by the recipient and grey ticks indicates that email is not tracked.

Pros

  • Affordable
  • Helpful
  • Easy Setup
  • Ease of Use
  • Data Accuracy
  • Email Tracking

Opensense Email Signatures

Turn brand moments into business outcomes. Every email, every handshake, every follow-up shapes how people see your brand. Opensense helps you take control of those everyday interactions by transforming employee email, digital business cards, and sales outreach into consistent, measurable brand moments. No inconsistencies. No missed opportunities. Just smarter ways to engage, build trust, and drive pipeline. With Opensense, your communication becomes a brand channel: - Beautiful email signatures that are always on-brand. - Targeted ad banners in every inbox to promote campaigns and events.

Pros

  • Customer Support
  • Signature Customization
  • Ease of Use
  • Features
  • Implementation Ease
  • Branding Consistency