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iOS product

Added June 3, 2021

Erwin - Knotty riddles and clues to solve them.

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About the product

For centuries, human beings found joy in solving problems and finding answers to exciting questions. Erwin, the victorian chatbot that lives in your messenger, has distilled them into a digestible format. Focused on logic, science and nature, he presents a perfect selection of sophisticated riddles and clues. Do you have what it takes to solve them?
31 recommendations

Recommendations are a community signal, not a verified count.

For product owners

Promote Erwin

Every listing gets one post to our X and Threads followers. It is seen once, then the traffic stops. Promotion keeps Erwin in front of people instead.

  • Back in the X and Threads rotation. Erwin gets posted again instead of once.
  • A promoted slot on the AppRater homepage, carrying a Promoted badge.
  • A labelled spot in the weekly email to AppRater subscribers, one promoted app per issue.
  • Stays on the first screen however old the listing is, while new submissions push everything else down.

Quarterly promotion

$35USD every 3 months

Card, Apple Pay and more, through Whop. Starts straight away.

  • Cancel any time from the Whop account you paid with, or email [email protected] and we will do it.
  • The promotion starts straight away, no waiting on us.
  • Whop handles the checkout. We never see your card.

Questions first? Email [email protected].

For ownersOwn Erwin? Add a deal or post a role, and it shows up right here.

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