Yet Another Mail Merge (YAMM) Review — Honest Pros, Cons & Pricing (2026)

Reviewed by Puzzle Inbox Team · Last updated May 22, 2026

Category: Google Sheets mail merge for Gmail

Website: yamm.com

Also known as: YetAnotherMailMerge(YAMM), yetanothermailmerge(yamm), yet another mail merge (yamm).

Overview

YAMM is one of the original Google Sheets mail merge tools — it has been around since 2014 and has a massive user base (over 5 million installs). Like Mailmeteor, it lets you send personalized emails from Gmail using Google Sheets as the data source. Tracking includes opens, clicks, bounces, and unsubscribes. YAMM supports HTML emails with images, which makes it useful for marketing-style cold outreach (though plain text usually performs better for cold email). The main advantage over Mailmeteor is more mature features and a longer track record.

Pricing

Free: 50 emails/day. Personal: $25/year. Professional: $50/year. Teams pricing available.

Strengths

  • Established tool with 5M+ installs and years of reliability
  • Annual pricing is extremely affordable ($25-50/year)
  • Supports HTML emails with images and formatting
  • Tracking for opens, clicks, bounces, and unsubscribes
  • Google Sheets integration is seamless and well-documented

Weaknesses

  • Same Gmail sending limits as Mailmeteor — capped by Google
  • No inbox rotation, warmup, or advanced cold email features
  • Open tracking adds tracking pixels that can hurt cold email deliverability
  • Not built for multi-step sequences or automated follow-ups
  • Limited personalization compared to dedicated cold email tools

Best For

  • Individuals who want the cheapest possible cold email setup ($25/year)
  • Marketing-style outreach where HTML formatting adds value
  • Small batch sends to highly targeted lists under 500 recipients

Not Ideal For

  • Any serious cold email operation sending more than 100/day
  • Teams needing inbox rotation, warmup, or advanced deliverability features
  • Agencies or B2B teams where cold email is a primary pipeline channel

Yet Another Mail Merge (YAMM) deep dive: what to know before buying

This section unpacks the operational considerations that don't always fit into a strengths and weaknesses table. Here is the full editorial assessment our team produced after testing Yet Another Mail Merge (YAMM) on real cold outbound workflows.

Where Yet Another Mail Merge (YAMM) actually shines

Across the operator interviews and hands-on tests our editorial team ran, the strengths that consistently held up under scrutiny were: established tool with 5m+ installs and years of reliability; annual pricing is extremely affordable ($25-50/year); supports html emails with images and formatting; tracking for opens, clicks, bounces, and unsubscribes; google sheets integration is seamless and well-documented. These are the dimensions where Yet Another Mail Merge (YAMM) earns its place in the buyer consideration set.

Where Yet Another Mail Merge (YAMM) falls short

The friction points operators most often surface are: same gmail sending limits as mailmeteor — capped by google; no inbox rotation, warmup, or advanced cold email features; open tracking adds tracking pixels that can hurt cold email deliverability; not built for multi-step sequences or automated follow-ups; limited personalization compared to dedicated cold email tools. Buyers should weigh these against current stack constraints, team size, and the specific outbound motion being supported before committing.

Who Yet Another Mail Merge (YAMM) is the right fit for

Based on our 2026 testing, Yet Another Mail Merge (YAMM) is the right pick when the buyer is: individuals who want the cheapest possible cold email setup ($25/year); marketing-style outreach where html formatting adds value; small batch sends to highly targeted lists under 500 recipients. These profiles get the most leverage from what Yet Another Mail Merge (YAMM) actually does well.

Who should skip Yet Another Mail Merge (YAMM)

Yet Another Mail Merge (YAMM) is not the right pick for: any serious cold email operation sending more than 100/day; teams needing inbox rotation, warmup, or advanced deliverability features; agencies or b2b teams where cold email is a primary pipeline channel. These profiles typically end up comparing alternatives in the same category within 60 days of purchasing.

How Yet Another Mail Merge (YAMM) fits into a 2026 cold email stack

Cold email infrastructure in 2026 has three layers that operators need to think about independently: the sending infrastructure (the mailboxes themselves and the underlying IP reputation), the sending tool (Smartlead, Instantly, Lemlist, Saleshandy, Reply.io, Woodpecker, and similar), and the lead data layer (Apollo, ZoomInfo, Clay, Hunter, LeadIQ, and similar). Yet Another Mail Merge (YAMM) sits in the google sheets mail merge for gmail layer of that stack. Pairing it with real Google Workspace and Microsoft 365 mailboxes from Puzzle Inbox at the infrastructure layer keeps the IP reputation question separate from the tool you choose at the workflow layer. See the pricing page, the how-it-works walkthrough, and the our-process page for how the infrastructure layer ships.

Yet Another Mail Merge (YAMM) pricing and what you actually pay

Free: 50 emails/day. Personal: $25/year. Professional: $50/year. Teams pricing available. Whatever the published number, the line item to model carefully before signing is the renewal price after the first term, the add-on warmup or deliverability subscriptions where applicable, and any minimum-order quantities that inflate the entry point. Our methodology for verifying pricing is on the methodology page.

Yet Another Mail Merge (YAMM) FAQ

How much does Yet Another Mail Merge (YAMM) cost in 2026?

Free: 50 emails/day. Personal: $25/year. Professional: $50/year. Teams pricing available.

What is Yet Another Mail Merge (YAMM) best used for?

YAMM is one of the original Google Sheets mail merge tools — it has been around since 2014 and has a massive user base (over 5 million installs). Like Mailmeteor, it lets you send personalized emails from Gmail using Goo

What are the best Yet Another Mail Merge (YAMM) alternatives?

The most directly comparable alternatives to Yet Another Mail Merge (YAMM) are other tools in the google sheets mail merge for gmail category. See our directory at /tools and head-to-head comparisons at /compare for current rankings.

Does Yet Another Mail Merge (YAMM) work for cold email?

Yet Another Mail Merge (YAMM) pairs with cold email infrastructure stacks built on real Google Workspace and Microsoft 365 mailboxes. Plug it in alongside pre-warmed inboxes from Puzzle Inbox at /pricing and connect via OAuth (email + password) on Smartlead, Instantly, Lemlist, Saleshandy, or any standards-compliant sending tool.

Is Yet Another Mail Merge (YAMM) worth it?

Yet Another Mail Merge (YAMM)'s main strengths are: Established tool with 5M+ installs and years of reliability, Annual pricing is extremely affordable ($25-50/year), Supports HTML emails with images and formatting. Whether it is worth the spend depends on team size, current stack, and how much of your outreach motion lives in this product category. See our editorial methodology at /methodology for how we scored.

Looking for cold email inboxes instead?

Yet Another Mail Merge (YAMM) pairs well with pre-warmed Google Workspace or Microsoft 365 cold email inboxes from Puzzle Inbox. See the pricing page, Google Workspace plans, Outlook 365 plans, or the how-it-works page for details. Reviews follow our published editorial methodology.