Helpful crew, and nice product
Helpful crew, and nice product
By Philip S.
Saturday, November 7, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
448 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Send mass personalized emails in bulk directly from Google Sheets and Gmail. Get an open rate up to 20x higher than with traditional emailing solutions. With a 4.8/5 rating on over 19,000 reviews and 10,000,000 installs in the Google Workspace Marketplace, YAMM is a top-rated app trusted by 150,000 organizations.
Yet Another Mail Merge (YAMM) (yamm.com) has 448 customer reviews on The Fair Hearing, with an average rating of 4.9 out of 5.
448 approved reviews, newest moderated first
Helpful crew, and nice product
By Philip S.
YAMM is a pleasure to use! It's helped us send thousands of emails with great hit-rates. We finally finished our work, but accidentally left the auto-renew on. YAMM refunded us promptly and we appreciated that.
By TG C.
They are quick and helpful!
By Bobby
Great product, great service
By Will Z.
YAMM was really quick to follow up to see if I was having issues with the extension. They answered my questions really quickly which solved my problem.
By Francis G.
Prompt response to the reported issue and collaborative support
By Preechaya N.
Amazing, helpful and prompt support team. They always manage to solve my issue and help with requests
By RE A.
This tool is very helpful for our team for approaching customer via email. One of the best for mail merge so far. Also, the support team always be there 24/7 to solve every of your tickets.
By Quang Huy N.