SONAR is a B2B product built for sales professionals.

Does SONAR have a free plan?

Yes — there is a free tier, with paid plans for advanced use.

Is SONAR still active?

Unverified. SONAR has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

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SONAR

Name: SONAR
Author: MTARGET

mtarget.coEmail & inbox

SONAR Email Tracker is a browser-based tool for Gmail that notifies users when their emails are opened and provides analytics on email engagement. It offers real-time notifications, daily reports, and easy installation, helping professionals optimize their email outreach.

FreemiumWebCloud-managed

Visit mtarget.co

Overview

5 features

In the Email & inbox space, SONAR takes a focused approach. It focuses on knowing when emails are read to improve follow-up and communication effectiveness. It is built as a B2B product for sales professionals. SONAR follows a freemium model. It runs on the web.

Behind SONAR is MTARGET, and it first shipped in 2022. Key capabilities include email tracking, read notifications, and real-time alerts.

Summary written by a language model from the project’s public pages.

Email tracking
Read notifications
Real-time alerts
Daily reports
Easy installation

Built with & integrations

Framework

NuxtVue

Connectors

chrome

Runs on

BrowserCloud-managed

Detected from

Vue: bdata-v- in the HTML
Nuxt: window in the HTML · __nuxt in the HTML

Trust & compliance

Verified signals

HTTPSFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed30 Jun · 09:41 UTC
Mtarget Sonar verified against its public source
Source: PulseGate · Open

Frequently asked questions about SONAR

What does SONAR do?: SONAR focuses on knowing when emails are read to improve follow-up and communication effectiveness. It is catalogued under Email & inbox on PulseGate.
Who is SONAR for?: SONAR is a B2B product built for sales professionals.
Does SONAR have a free plan?: Yes — there is a free tier, with paid plans for advanced use.
What platforms does SONAR run on?: SONAR runs on the web.
Is SONAR still active?: Unverified. SONAR has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who develops SONAR?: SONAR is developed by MTARGET.
When did SONAR launch?: SONAR first shipped in 2022.

At a glance

Platforms: Web
Languages: English
Built for: sales professionals
Model: B2B
Solves: Knowing when emails are read to improve follow-up and communication effectiveness.

Developer

MTARGET

Index record

Identity confidence: High · 95
Indexed: 30 Jun 2026
Lifecycle: Alive
Last seen: 30 Jun 2026

Identity audit (12)

Slug: mtarget-sonar-mtarget-co
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 30 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Canonical URL: https://landing.mtarget.co/sonar

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