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Kotoba Dojo
Train your words. Command any AI
Kotoba Dojo is a gamified training ground for precise wording. You see a reference image → describe it in your own words → an AI regenerates the image from your description → you get scored on how close it got. Rank up from white belt to black belt. 22 languages. Credit system. Sign in with Apple/Google, Stripe, GDPR account deletion. Built by a solo founder with zero engineering background, using only AI coding agents. 16 days, ~40 hours of directed work, from blank to production.
About Kotoba Dojo on Product Hunt
“Train your words. Command any AI”
Kotoba Dojo was submitted on Product Hunt and earned 2 upvotes and 3 comments, placing #159 on the daily leaderboard. Kotoba Dojo is a gamified training ground for precise wording. You see a reference image → describe it in your own words → an AI regenerates the image from your description → you get scored on how close it got. Rank up from white belt to black belt. 22 languages. Credit system. Sign in with Apple/Google, Stripe, GDPR account deletion. Built by a solo founder with zero engineering background, using only AI coding agents. 16 days, ~40 hours of directed work, from blank to production.
On the analytics side, Kotoba Dojo competes within Education, Artificial Intelligence and Games — topics that collectively have 655.3k followers on Product Hunt. The dashboard above tracks how Kotoba Dojo performed against the three products that launched closest to it on the same day.
Who hunted Kotoba Dojo?
Kotoba Dojo was hunted by Jun Aida. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Kotoba Dojo including community comment highlights and product details, visit the product overview.
this is actually a pretty fun way to learn prompting lol, way better than just reading prompt guides