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Four free Shopify apps that handle the price/label rules small stores keep tripping on: EU "was-price" history for sale displays, GPSR product-safety info, EU textile fibre labels in the shopper's language, and Japan's dual-price (二重価格) record-keeping. Each app records or checks the data the rule expects and shows it on your storefront — install, pick your market, done. Built solo, all free, no upsells.
Hi PH 👋 I build Shopify apps for a niche nobody enjoys: pricing/label rules.
If you sell into the EU or Japan there's a pile of display rules — "lowest price in the last 30 days" on sales (Omnibus), product-safety contact info (GPSR), fibre names on textiles in the buyer's language, and Japan's 8-week record rule behind a struck-through "regular price". Most stores find out about these from a takedown email, a reviewer, or a fine — not from docs.
PriceProof is four small free apps, one per rule. They do the boring part: record price history from day one, check what you entered against the official lists, and render the storefront block shoppers (and regulators) expect. They don't give legal advice and won't claim you're "compliant" — they keep the records and displays that back you up.
All four are free — I'd rather they get used than sit behind a paywall. Feedback very welcome, especially from anyone selling cross-border: what rule should be next?
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About PriceProof on Product Hunt
“Free Shopify apps for EU & Japan pricing rules”
PriceProof was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #154 on the daily leaderboard. Four free Shopify apps that handle the price/label rules small stores keep tripping on: EU "was-price" history for sale displays, GPSR product-safety info, EU textile fibre labels in the shopper's language, and Japan's dual-price (二重価格) record-keeping. Each app records or checks the data the rule expects and shows it on your storefront — install, pick your market, done. Built solo, all free, no upsells.
PriceProof was featured in Productivity (657.7k followers), SaaS (43.5k followers) and E-Commerce (41.7k followers) on Product Hunt. Together, these topics include over 220.6k products, making this a competitive space to launch in.
Who hunted PriceProof?
PriceProof was hunted by Paul Oh. 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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Paul Oh