Diagnosed with data — we handle localization, compliance, and listing, all for you.
Apply for the beta and get 1,000 credits + a coffee gift card
We support all 6 markets right now, and we're expanding channel coverage as we go.
More countries and channels are on the way.
Need a channel we don't support yet? Let us know!
Will This Product Actually Sell?
Korea and Japan are already crowded. Will this one really sell?
Learn moreMargins, Ad Spend, Market Research… Now What?
Margins, ad spend, market research — you don't have to dig through it all yourself.
Learn moreApply for the Beta
You don't need more guesswork. You need
validated data.
Data analysis, regulations, pricing, translation — PreSelling handles what used to take days.
You just decide.
PreSelling collects real local data first, then works through each step on that evidence alone.
Validate market demand with real search volume and trend data.
Analyze local pricing and profit margins.
Evaluate competitors and identify your product's weaknesses.
Check country-specific regulations and certification requirements.
Generate localized product pages and translations.
Publish to multiple sales channels after validation.
RAG AI Agents
General AI can sound convincing and still be wrong. For sellers, trust matters.
PreSelling only calls it as the evidence allows — and once a product clears, it takes you all the way to listing.
| General AI ChatGPT · Gemini |
DIY Research / Agency People · Time |
PreSelling Verify + List |
|
|---|---|---|---|
| Data Source | Trained memory · prone to hallucination | Manually collected, takes time | Real, live local data collection |
| Output Format | Conversational answers | Reports (subjective) | Score, action items, evidence |
| Regulation Check | Uncertain | Requires hiring an expert | RAG-based regulation review |
| Localized Content | Translation only | Outsourcing costs | Auto-generated product pages & copy |
| Channel Listing | Not possible | Manual, repeated for each channel | One-click multi-channel listing |
| Time Required | Instant but unverifiable | Days to weeks | Under an hour |
General AI tools like ChatGPT and Gemini answer from trained memory, so they can sound convincing while still being wrong.
PreSelling doesn't make things up. 7 RAG AI agents collect real local data on search volume, competition, pricing, and regulations, then analyze in 6 steps based only on that evidence.
You get a score, action items, and evidence — not a conversational answer — and you can ask the agents directly whenever you have a question.
We're launching a closed beta on July 6, 2026.
During the beta, we're opening supported channels one at a time, and we'll keep expanding countries and channels toward full launch.
Enter a product name and get your score and evidence in about 3 minutes.
From verification to localization and channel listing, everything finishes in under an hour.
Yes, it's free right now! No card required, so go ahead and check your product with no risk.
For launches in Korea, you can check any product category with no restrictions.
For overseas checks (Qoo10), K-beauty products are supported now, with more categories coming soon.
You can list in all 6 markets right now — Korea, the US, Japan, the UK, France, and Germany.
Korea lists to Naver Smart Store, Coupang, 11st, and Shopify. Japan lists to Qoo10 and Shopify. The US, UK, France, and Germany list to their local Amazon plus Shopify.
The product information you enter is used only to run your check and is never shared externally.
Key data, including personal information, is encrypted for storage and transmission.
UserWhy works with trusted institutions and partners.
Seongnam Industry Promotion Agency
Resident Company
Ministry of SMEs and Startups
Certified as a Venture Company
Korea Technology Finance Corporation
Supported Company
Korea Industrial Technology Association
In-House R&D Center
