Very prompt response
Very prompt response. No problem.
By Noreen L.
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
Very prompt response. No problem.
By Noreen L.
I contacted Customer Service today and my problem (that I caused) was resolved within 10 mins. I couldn’t believe how swift the service was. So far the app is very useful. Highly recommend.
By Dave
Very responsive
By Floris B.
YAMM! Fantastic service and support. Flexible with our needs, thanks guys.
By Michael C.
Great customer service, fast communications, good solutions provided quickly and thoroughly with an interest in succeeding. Nice.
By David F.
Gets the job done!
By Yahya F.
I got a response very quickly and I got exactly what I needed
By Julie P.
Prompt handling of my transfer request.
By Phil S.