Spectra by BrandCurb

Name: Spectra by BrandCurb
Rating: 5 (1 reviews)
Author: BrandCurb

Bring Your Outbox to Light with Spectra. Privacy-first real-time email tracking for Gmail.

As of June 2026, Spectra by BrandCurb has 4 users and a 5.00/5 rating from 1 reviews in the Communication category.

BrandCurb Communication

Chrome Web Store ↗.crx

Users0%

Rating0%

5.00

1 reviews

Reviews0%

Version

2.1.0

Manifest V3

History

2 snapshots

Tracking since Apr 20, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 20, 2026	4	5.00	1	2.1.0
Apr 26, 2026	3	5.00	1	2.1.0
Now	4	5.00	1	2.1.0

Permissions & access

Permissions: storagenotificationsidentity
Host access: https://mail.google.com/*, https://spectra.brandcurb.com/*

Screenshots

About

Spectra by BrandCurb: The Privacy-First Email Tracker for Gmail
Know exactly when your emails are opened with Spectra. A lightweight, secure, and professional email tracking solution designed for modern professionals, sales teams, and anyone who values insight into their communication.
🚀 KEY FEATURES:
✅ Real-Time Tracking
Get instant notifications the moment your email is read. No more guessing if your message landed.
✅ Privacy-First Design
We believe in your data privacy. Spectra does not read your email content, store your messages, or share your data with third parties. We only track the metadata necessary to show you open status.
✅ Invisible Tracking Pixel
Our tracking is discreet. We use a 1x1 invisible pixel that doesn't clutter your signature or alert recipients.
✅ Seamless Gmail Integration
Works right inside your existing Gmail compose window. Just toggle the "Spectra" button ON or OFF for any email.
✅ Detailed Dashboard
Access your personal dashboard to see your tracking history, open rates, and location insights (where available).
✅ Forever Free Plan
Get started immediately with our generous free tier. No credit card required.
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HOW IT WORKS:
1. Install the Spectra extension.
2. Compose an email in Gmail.
3. Ensure the "Spectra" toggle is ON.
4. Send! You'll be notified when the recipient opens it.
Perfect for:
- Job Seekers (Know if your resume was read)
- Sales Professionals (Time your follow-ups perfectly)
- Freelancers (Track proposal views)
- Everyone who wants peace of mind.
Developed by BrandCurb.
Support: [email protected]
Privacy Policy: https://spectra.brandcurb.com/privacy