Cloze might be a bit more popular than Polymail. We know about 1 link to it since March 2021 and only 1 link to Polymail. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Polymail - This one is a lot like Twobird but with a lot more features. It's a different type of email client. It's really cool, but the Windows version is just a web app. It's available on iOS as well. Source: over 2 years ago
I tested it and it works both ways fine for me for now... I realize this is not optimal but it was the best I could come up with quickly and figured I should share it in case it helps others and in case others find better options (ideally all Android and not requiring a PC to be online all the time)... I initially worked with contacts on a free www.zoho.com account (got android CardDAV via DAVX5 working but... Source: over 2 years ago
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