SentSignal – Email Tracker for Gmail
Workflow & Planning
Free unlimited email tracking for Gmail with open history, private notes, synced folders, and reusable templates.
- Store users
- 24
- Ratings
- 5.0/ 5 1 rating
SentSignal
1 listing we've seen · as of 7 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.