Thristan is very helpful with my…
Thristan is very helpful with my request!
By Phoebe C.
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
Thristan is very helpful with my request!
By Phoebe C.
Made it simple and doable to track communication with 400+ people regarding my book launch. Thank you YAMM! Prompt and customer friendly service and affordable = worth it!
By Stacey Larsen, E.
Thirsten was so helpful and prompt. No arguments, understood me instantly and solved my issue
By Mandy W.
Great and fast help thanks!
By Holly C.
easy to use, heal my pain, quick support. HIGHLY RECOMMEND!!
By Bùi Phạm Anh K.
Contenta con YAMM. Es muy útil, funciona bien y el servicio al cliente es muy bueno.
By Beatriz M.
Convenient service!
By Andrii K.
YAMM does what it says it does! I just needed help resolving a small subsciption issue and got pretty much immediate help from their customer service.
By Jurgen B.