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ComeToJapan
Crowdsourced trash can map + culture guide for Japan
Japan has almost no public trash cans. ComeToJapan is a crowdsourced map of convenience-store trash spots verified by real travelers across 7 cities. It also has a gamified culture guide: real scenarios where you pick what to do (trains, onsen, etiquette, moving to Japan) and learn a Japanese phrase each time. 7 languages. 100% free — no subscription, no ads, no in-app purchases.
Hey Product Hunt! 👋 I'm Victoria, the solo developer behind ComeToJapan.
I got the idea after spending 20 minutes walking around Tokyo with a trash bag looking for somewhere to throw it away. Turns out convenience stores are the answer — but nobody tells you which ones or where.
The culture guide came from my own experience trying to understand Japan beyond the tourist surface. I wanted something interactive, not another Wikipedia article.
Would love your honest feedback — especially from anyone who's been to Japan or is planning to go!
Love this idea, the trash can thing always sneaks up on you in Japan. One thing I'd add: an offline mode that pre-downloads the trash spots for each city, since figuring out where to toss a bottle when you have zero signal in a subway station is exactly when you need this.
Saved me on day one in Tokyo, found a trash spot near Shibuya crossing in seconds. The culture scenarios are oddly charming too.
The convenience-store trash spot map is genuinely useful, not just a novelty. Love that someone finally made a Japan travel tool that respects the country instead of just selling tourists their own ignorance. Solid execution.
A few people asked what's next, so here's where ComeToJapan is heading 👇
Coming next — straight from your requests:
Traveling with kids — where to change a diaper, take a break, and keep little ones entertained
More essential Japanese phrases built right into the lessons
Bike parking spots added to the map
A festivals & events calendar so you don't miss what's happening while you're here (also burining-man-community datasets will be used)
The bigger picture:
Expanding beyond Japan to other countries
Plan your route and get the spots + events along the way — tailored to where you're actually going
It's all shaped by feedback, so if one of these matters most to you (or there's something missing), tell me. I'm building this in the open and I read every comment 🙏
About ComeToJapan on Product Hunt
“Crowdsourced trash can map + culture guide for Japan”
ComeToJapan was submitted on Product Hunt and earned 10 upvotes and 5 comments, placing #108 on the daily leaderboard. Japan has almost no public trash cans. ComeToJapan is a crowdsourced map of convenience-store trash spots verified by real travelers across 7 cities. It also has a gamified culture guide: real scenarios where you pick what to do (trains, onsen, etiquette, moving to Japan) and learn a Japanese phrase each time. 7 languages. 100% free — no subscription, no ads, no in-app purchases.
ComeToJapan was featured in iOS (110.5k followers), Travel (42.4k followers) and Maps (12.8k followers) on Product Hunt. Together, these topics include over 52.4k products, making this a competitive space to launch in.
Who hunted ComeToJapan?
ComeToJapan was hunted by Victoria Kashlina. 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.
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Victoria Kashlina