Mergo

Spec sheet

Purpose

Mergo is a Google Sheets and Gmail mail merge add-on for sending personalized email campaigns.Read 5 Oct 2026 · mergo.app

Integrations

Mergo works with Gmail and Google Sheets, and its features also use Google Docs, Drive, Contacts, and Forms.Read 5 Oct 2026 · mergo.app

Support

Mergo provides support by email and says free-period support is provided on a best-effort basis.Read 5 Oct 2026 · mergo.app

Automation

It supports scheduled campaigns, automated follow-ups, and personalized emails triggered by Google Forms submissions.Read 5 Oct 2026 · mergo.app

Campaign tracking

It tracks opens, clicks, replies, bounces, and unsubscribes.Read 5 Oct 2026 · mergo.app

Creator

Mergo was created by Romain Vialard, founder of Scriptit and a Google Developer Expert program member.Read 5 Oct 2026 · workspace.google.com

Daily sending capacity

Mergo says campaigns can send up to 2,000 emails per day.Read 5 Oct 2026 · mergo.app

Data deletion

Users can request deletion of data in Mergo’s Firebase database, which the privacy policy says will be processed within 30 days.Read 5 Oct 2026 · mergo.app

Data handling

Mergo says email content and campaign sheet data stay in the user’s Google account, while limited service data may be stored in Firebase on Google infrastructure.Read 5 Oct 2026 · mergo.app

Other campaign tools

Features include recipient list segmentation, CC/BCC, Gmail aliases, email previews, and unsubscribe links.Read 5 Oct 2026 · mergo.app

Personalization

It supports merge fields such as recipient first name and company, plus personalized attachments.Read 5 Oct 2026 · mergo.app

Security review

Mergo’s Data Policy FAQ says it underwent an external security company audit in addition to Google’s audit.Read 5 Oct 2026 · mergo.app

Vulnerability reporting

Mergo says it will respond to vulnerability reports within 72 hours and proceed to a patch within 30 days.Read 5 Oct 2026 · mergo.app

Plans and prices

Every Mergo plan and price →

Where Specifiction places it

• Google Workspace for Marketing Software#10 of 137.4
• Mail Merge Software#22 of 277.3