Japan Product Price Comparison & Shops — Kakaku.com

Type a keyword like heattech and get what UNIQLO Japan charges for it today. Returns the typical price and lowest–highest in yen, how many items are marked down, how many were found, and the men/women/kids mix. $0.02 per keyword, no results = no charge. Unofficial.

Type a keyword like VRChat and see what creators on BOOTH Japan charge for it. You get how many items match, the typical price and the lowest-highest range, how many are still in stock, and how many shoppers saved the most popular ones. $0.02 per keyword, no results = no charge. Unofficial.

Type a card name and get what copies sold for on magi, Japan's card-only marketplace, and what sellers still ask. Returns median sold price and range, how many copies have sold, new versus used counts, and the share sold by card shops. $0.02 per card name, no results = no charge. Unofficial.

Japan Resale Sold & Asking Prices — Rakuma

jpmarketdata/rakuma-japan-price-checker

Look up any keyword on Rakuma, Rakuten's flea market in Japan. You get one row: the typical price and the lowest-to-highest range, how many of the listings found are already sold, and the shop versus private seller mix. $0.02 per keyword, no results = no charge. Unofficial.

Type a reference like 126610LN and see what Daikokuya in Japan actually paid for it, from six years of dated buyback records. You get the typical amount and range in yen, how many it bought, the year-by-year trend, and the price it offers today. $0.02 per model, no results = no charge. Unofficial.

Enter a Japanese place name and a date, and see what a hotel night really costs on Jalan. You get the typical price per person, the lowest-highest range, how many hotels still have rooms that night, and the average guest rating. $0.02 per area checked, no results = no charge. Unofficial.

Type a model like MacBook Pro and see what used stock costs at Sofmap Japan today, split by the shop's own condition rank S to E. You get the typical price and range in yen per rank, how many units that is, and how long it has been sitting. $0.02 per search, no results = no charge. Unofficial.

Type a hobby keyword and see what model kits and figures cost on Hobby Search in Japan today. You get the typical price and price range over every item you can actually buy, how many that is of all found, and the usual discount off list. $0.02 per keyword, no results = no charge. Unofficial.

Pick a truck maker and model and see what it costs used in Japan today, split by how far it has run. You get the typical price and range in yen for each mileage band, how many trucks that is, and the year mix. $0.02 per model, no results = no charge. Unofficial.

Japan CD & Vinyl Prices and Stock — Tower Records

jpmarketdata/tower-records-japan-price-checker

Type an artist, album or catalog number and get what Tower Records Japan charges for it today. Returns the typical price and lowest–highest in yen, how many were found, the CD / vinyl / cassette mix, and how many are in stock or out of print. $0.02 per keyword, no results = no charge. Unofficial.