Superhuman
Software
Managing a high-volume inbox
"For me, Superhuman Mail is like a lifeline for me. I don't know how I would live without it. My inbox would be completely overfilling."
More source quotes
Sending vendor/manufacturer outreach emails, with Codex browser agent drafting messages inside the app
"I used to let it go into Superhuman and set all of these up for me, but I really want to click the send button before — just to check its work."
Email client with high retention due to refined product experience
"If you've used Superhuman, you've likely stayed using Superhuman just because every little element of that product is hyperrefined to make you want to continue using it."