fast and problem-solving.
fast and problem-solving. lots of love
By Nik
Monday, November 9, 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.
Showing 424 reviews with 5 stars · Clear filters
fast and problem-solving. lots of love
By Nik
Super quick and helpful! Thank you
By Ekaterina I.
quick and helpful
By Sixto C.
My recent experiences with YAMM staff are wonderful. They are patient, they are quick responsive, they probably deserve a raise haha.
By Brian
One of the BEST products I have ever discovered. Makes sending mass emails with multiple mail merge fields a BREEZE GREAT customer service too! MORE THAN WORTH THE PRICE PAID!!!
By Andrew M.
The representatives from YAMM (Lex and Remi) were very helpful and prompt in responding to my inquiries. They were very detailed in providing the information that I need.
By Christian
Remi was super easy to work with to fix my account.
By Dan S.
I find YAMM extremely useful, and appreciate that it's free. In addition, when I needed help I messaged support and got an answer in under 12 hours that solved my problem. Thanks YAMM.
By Alexey B.