
Mailo
Soverin
Horde
Superhuman
Mailpile
Teknik Mail
ProtonMail
Email at its best, new from Basecamp.

With Cozystack, you can transform your bunch of servers into an intelligent system with a simple REST API for spawning Kubernetes clusters, Database-as-a-Service, virtual machines, load balancers, HTTP caching services, and other services with ease.

Which is more popular?
Based on our record, HEY seems to be more popular. It has been mentioned 24 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | hey.com | cozystack.io |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Hey Review: Why this $99 per year email is Superhuman's Most Exciting Challenger | Keep Productive
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HEY and Cozystack. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Apple apparently told ProtonMail "out of the blue" that it was required to add an in-app purchase option to stay in the App Store. Similar to the situations with HEY and Wordpress earlier this year, ProtonMail had a...
We have no reviews of Cozystack yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Seven gems to manage background jobs. The team looked at what they were running and said "this can't be right." That became the brief for Solid Queue. Rosa got picked for the project, built it in production at Hey first, iterated on it... - Source: dev.to / 3 months ago
Basecamp: After using clouds from both Amazon and Google extensively over the past 15 years, we finally had enough of the outrageous bills and the ever-increasing complexity. So in 2023, we pulled Basecamp, HEY, and five other heritage... - Source: dev.to / about 1 year ago
Attending the latest edition of Rails World and watching the talk by DHH made me realize that generating views on the backend with Rails was no longer synonymous with slow, ugly interfaces that do not care about UX. With Hotwire, through... - Source: dev.to / about 2 years ago
Tracking Cozystack since Feb 2024.
When comparing HEY and Cozystack, you can also consider the following products.

Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Compare Mailo to HEY or Cozystack:

Soverin is the honest email service that doesn’t sell your data.
Compare Soverin to HEY or Cozystack:

Horde Groupware is a free, enterprise ready, browser based collaboration suite.
Compare Horde to HEY or Cozystack:


Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
Compare Mailpile to HEY or Cozystack:
