Mergo

Web

Visit site Alternatives

Freedom report

One barScore 5.2

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedThinly documented

Mergo is ranked #15 of 29 in mail merge software on Freedom251. It runs on Web. There is a free plan.

Mergo plans and pricing

All plans

Free plan Free First campaign free · then up to 30 emails per campaign mergo.app · 5 Oct 2026

Compared on mail merge software

Free plan: Yes
Data sources: Google Sheets; Google Contacts; Google Drive; Google Docs; Google Forms; Excel; CSV
Output types: emails; Gmail drafts; personalized email attachments
Delivery channels: email
Batch personalization: Yes

Best Mergo alternatives

See all 12

Two bars Carbone Free tier No. 1$29/mo6.7 One bar APITemplate.io Free tier No. 2$19/mo6.4 One bar BetterMerge Free tier No. 3Free6.4 One bar CraftMyPDF Free tier No. 4$29/mo6.4 One bar G Merge Plus Free tier No. 5$6/mo6.4 One bar Mailmeteor Free tier No. 6$5.99/mo6.4

The record

Purpose: Mergo is a Google Sheets and Gmail mail merge add-on for sending personalized email campaigns.
Daily sending capacity: Mergo says campaigns can send up to 2,000 emails per day.
Personalization: It supports merge fields such as recipient first name and company, plus personalized attachments.
Campaign tracking: It tracks opens, clicks, replies, bounces, and unsubscribes.
Automation: It supports scheduled campaigns, automated follow-ups, and personalized emails triggered by Google Forms submissions.
Integrations: Mergo works with Gmail and Google Sheets, and its features also use Google Docs, Drive, Contacts, and Forms.
Other campaign tools: Features include recipient list segmentation, CC/BCC, Gmail aliases, email previews, and unsubscribe links.
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.
Security review: Mergo’s Data Policy FAQ says it underwent an external security company audit in addition to Google’s audit.
Data deletion: Users can request deletion of data in Mergo’s Firebase database, which the privacy policy says will be processed within 30 days.
Support: Mergo provides support by email and says free-period support is provided on a best-effort basis.
Vulnerability reporting: Mergo says it will respond to vulnerability reports within 72 hours and proceed to a patch within 30 days.
Creator: Mergo was created by Romain Vialard, founder of Scriptit and a Google Developer Expert program member.
Price from: Free

Where it ranks on Freedom251

Best Mail Merge Software in 2026#15 of 29

Is Mergo yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote Mergo

Sources

mergo.app· checked 5 Oct 2026
mergo.app/features· checked 5 Oct 2026
mergo.app/privacy-policy· checked 5 Oct 2026
mergo.app/data-policy-faq· checked 5 Oct 2026
mergo.app/pricing· checked 5 Oct 2026
mergo.app/vulnerability-disclosure-program· checked 5 Oct 2026
workspace.google.com/marketplace/app/mergo_mail_merge/913022· checked 5 Oct 2026