Excellent customer service
Excellent customer service, response time was almost immediate. Helped me solve a difficult problem. Thanks so much!
By Leigh E.
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
Excellent customer service, response time was almost immediate. Helped me solve a difficult problem. Thanks so much!
By Leigh E.
I've been using YAMM for a decade. The customer service has always been fantastic with fast response times. YAMM is the best way for our organization to communicate with our customers.
By Gerald L.
customer support was very quick, kind and helpful!
By Maddalena C.
Great experience with yamm.. definitely buy the subscription plan .. easy to use and track the emails according to the response of the individual..
By Harpreet K.
Super reactive and helpful ! Love the product : easy to use !
By YASMINE B.
The customer service team answered so fast no matter our time schedule is different. I really thank you for your quick response.
By Rosalinda Salinas T.
Excellent customer service!
By Selamawit Zemene M.
Great service i would highly recommend!
By Martin B.