The dev has ghosted this product. Roman. It was a fine tool while you could use it, but now it's another AppSumo sale that is a dead end. No notification to users at all!, just walked away. Of course sales site is still up, but no support pages anymore. Can't login, can't email support.

"Address not found
Your message wasn't delivered to hello@tooltip.io because the address couldn't be found, or is unable to receive mail. "