Snap a photo, AI writes your Vinted listing: a French iPhone tool that won on TikTok

French indie developer Jules Yanis Bourgeois built an iPhone app called Vendly. You photograph a piece of old clothing, and AI writes a version of the listing in the voice of each of three platforms (Vinted, Leboncoin, and Vestiaire Collective), suggests a price, and cleans up a studio-style photo. More than a hundred similar apps already exist in this space. What got this one moving wasn't the tech. It was a TikTok video plus focusing only on the French market. Below: how it took off, where the money comes from, and which gaps are still open.

A video with 280k views, and the comments are asking two questions

In 2026 Sep 7, the TikTok account @vendly.app posted a video captioned "Vendre plus vite sur vinted 🚀 grâce à Vendly sur l'app store" (sell faster on Vinted with Vendly on the App Store), tagged #vinted #achatreventevinted. By Nov 6, the video had 282k views and 9,871 likes. The app had launched in Jul 23, about a month and a half before that.

Scrolling the comments, two questions come up most. One is "C'est payant ?" (Is it paid?), asked in a dozen different phrasings. The other is "sortez la sur Play Store svppp" (please release it on the Play Store) and "dommage il y a pas sur Android 😭" (too bad there's no Android version). The rest are people dropping their Vinted shop names to ask for follows, and one comment that says "Un vrai gain de temps !" (a real time-saver).

Those two types of comments basically outline this piece: a lot of people want it, they care about price, and about half of phones can't run it.

What it actually does

The flow is short: take a photo → AI writes title, description, brand, size, material, condition, and a price estimate → copy, then paste it into the platform yourself. The three listing versions are written differently. From the official site: the Vinted version is "direct in tone, with hashtags, highlighting size and condition"; the Leboncoin version is "more factual, spelling out local pickup and cash-in-hand"; the Vestiaire Collective version uses "fashion vocabulary, with material and provenance, suited to designer pieces."

Other features: "Studio photo" cuts out clothes shot casually on a table and places them on a clean background; authenticity checks read the label and stitching, and give a verdict with reasoning in about 40 seconds; inventory is managed as "listed / pending shipment / sold," with automatic gross margin calculation. In Oct 21's 2.0 version, it added "3 pending listings per night," reminders to cut prices or message collectors when items aren't selling, reminders to refresh listings after 21 days, and a weekly summary every weekend of "how much you sold and how much you made." It started as a one-use copywriting tool and became something you open every day.

It repeatedly stresses one point: it doesn't connect to your Vinted account and doesn't publish for you. You copy and paste. The desktop Chrome extensions that auto-reprice and auto-relist (Trakz, Bleam and similar) carry the risk of account bans, and Vendly writes "safe" into its store description.

Where users come from

Its own TikTok account is the main channel. As of 11-06, @vendly.app had 2,139 followers and 23 posts. Apart from the 9-07 video at 280k, there's one at 9-30 with 85k views and one at 10-27 with 29k, and most of the rest get a few hundred to a few thousand views. The content comes down to a few formats: "Pull Ami Paris bought for 24 €, sold for 110 €" showing the profit on one item; a before-and-after edit of the same garment; and "Vinted's secret 🤫." When one clicks, the same template gets reshot over and over. In Oct 20 they also opened an English account, @vendly.en, which peaked at 15k views.

French SEO is the second leg. The website has 9 Vinted tutorials: how to sell, how to price (it even spells out Vinted's buyer fee of 5% + 0.70 €), the algorithm, photography, and flipping. There's also a monthly "Baromètre": in September they tallied 457 real transactions, with a median sale price of 16 €, and a median markup from buy to sell of ×2.6,87%, which shows flipping can be profitable. Self-collected numbers like these are the easiest to get cited by others. The download buttons at the bottom of the tutorial pages carry separate attribution parameters, which suggests he's tracking how many downloads each article brings in.

Paid ads are minimal. The TikTok Ad Library shows "Jules Bourgeois (Vendly)" running 22 ads in the UK starting Oct 7, and none after Oct 24. It looks like a small test for the English version.

Two more points are inferences. The French app name is simply "Revente seconde main" (second-hand resale), and the description spells out all three platform names, across 8 languages with a localized name for each region, which points to store-search optimization. The website also offers "invite 3 friends for a free one-time pack," and the French store gains 4–15 ratings a day while written reviews are only occasional. That pattern looks like a prompt inside the app asking for a rating.

There's no press coverage. Nobody has discussed it on X in nearly 90 days, and I found no Reddit threads.

Where the money comes from, and how much

Pricing (France, per the website 11-06):

It's monthly, not weekly. For someone who clears out their wardrobe every few weeks, the 4.99 € one-time pack is an easier commitment than a subscription.

The chart history is interesting. From Oct 28 to Nov 6, it sat at #4–#9 daily on France's App Store Shopping Top Grossing chart (reaching #11-02, #11-03, and as high as #4), and #3–#12 in Belgium. Over the same period it charted only #112–#155 on France's Shopping Top Free chart, and was sliding. Downloads were modest, but the share of paying users was high. Across all stores, ratings went from 10-28 to 148, then to 11-06 to 268, with 199 coming from France and an average of 4.75 (App Store France, 11-06).

How much it earns is hard to say. France's Shopping grossing chart is thin to begin with, and the apps at the top are package-tracking and coupon apps, so the absolute revenue at #6 may not be large (inference, since Apple doesn't publish revenue). The developer hasn't shared revenue numbers.

Who it's competing with

This space is already crowded. More than a hundred "AI listing / second-hand resale" apps launched in 2025–2026, mostly in the US and UK, and mostly built around eBay and Poshmark. For example, Hero (US, 2,071 ratings). The closest matches to Vendly:

PreLoved AI is the best comparison: a similar product, launched a year earlier, nobody made videos for it, and it has 48 ratings now. In this business, everyone can write listings. The difference is all in distribution.

Vinted itself is currently building AI search and item recognition on the buyer side. I haven't seen an official "photo to listing" feature (per reports from capital.fr and tf1info).

Its weak spots

• No Android version. A row of TikTok comments are asking for one, and Trakz's comparison page says "pas encore" (not yet). French Android users outnumber iPhone users (inference, based on public market-share data).
• Bugs after paying. Two negative French reviews: "L'application était parfaite jusqu'au moment où je prends l'abonnement illimité et qu'il m'est impossible de faire des photos" (It was perfect until I took the unlimited subscription and it became impossible to take photos, 9-26); "Quand j'ai pris l'abonnement illimité par mois, il y a des bugs comme par hasard" (As soon as I got the monthly unlimited plan, bugs showed up, funnily enough, 11-03). Both hit the most expensive tier.
• Over-editing. Under the viral video, someone said "l'ia modifie trop les photos" (the AI changes the photos too much), and another asked whether edited photos are against Vinted's rules.
• Traffic is fading. The Top Free chart fell from 112 to 155, and newer videos mostly get a few hundred to a few thousand views. The long tail from September's video may be running out (inference).

If it were you

B: worth a try. The opportunity is real, but don't copy Vendly on the French iPhone market. It already has that space, plus five or six copycats. The openings are where it hasn't gotten to.

Who it suits: one or two people, with at least one who can appear on camera or film TikTok demos, ideally someone who already sells on Vinted or a local resale platform and knows what sellers find annoying. You should be able to build for Android, or speak a language Vendly hasn't seriously tackled.

Who it doesn't suit: pure coders with no plan to make videos (the writing and photo features are just API calls, with no technical barrier, which is why PreLoved AI never took off); people who want English and mainly target eBay or Poshmark (the US and UK have the most competitors); people hoping to differentiate with auto-posting through account access (ban risk, and Vendly is using "we never touch your account" as a selling point).

How to do it: pick one of two paths.

1. Android first, or French Vinted. The demand is spelled out in the comments. Offer the same three-platform listings + photo editing + inventory, and price it like Vendly: a permanent free tier, a 4.99 € one-time pack, and a monthly plan, but skip the weekly option. The photo editing has to stay faithful. Labels, logos, and flaws can't be erased, which is exactly what Vendly gets criticized for.
2. Switch platforms and languages. Every country has its own resale platforms and conventions: Kleinanzeigen in Germany, Wallapop in Spain, Subito in Italy, OLX in Poland, plus Vinted in each of those countries. Vendly supports 8 languages, but its German, Italian, and Polish regions have only single-digit ratings, which means they haven't really started. Write listings in each local platform's voice and price in local currency.

How to get users: copy its TikTok template and shoot in your own language: a real garment, "bought for X, sold for Y," a before-and-after edit, tagged with local flipping hashtags. Prepare 20–30 videos, and once one catches on, keep reshooting that format. At the same time, write a local-language "how to sell on X platform" tutorial series, and publish a self-collected transaction report as link bait. Answer the "is it paid?" question in the first line of the comments, and pin the free tier at the top.

When to act: Ship before January 2027. Year-end closet clear-outs and post-holiday resales are peak season for resale apps (my inference). Wait past that and Vendly's Android and other-language versions will likely be out.

Signs you've misread this: ① Vendly ships Android and charts in the top 50 of the French Play Store shopping category within a month: the French-speaking market is no longer open. ② Vinted launches an official "photo to listing" feature: every app in this category takes a hit. ③ Vendly drops out of the top 20 of French shopping Top Grossing and stays down: its paying users from one viral video didn't stick, and the business itself isn't big. ④ Conversely, a same-category app in your target language posts on TikTok for a month straight and its rating climbs: demand is real, move fast.