A window with real prices and stock
A product with a photo, variants, a price and a quantity. When stock hits zero the item leaves the window, and nobody buys what is not there.
A product window with prices, photos and stock, and the finished order arriving written out in your WhatsApp conversation.
People selling through Instagram and WhatsApp do not have a selling problem, they have an everything-around-it problem: answering how much it costs forty times a day, hunting through a conversation for what somebody asked for, and finding out at packing time that the item is gone. A catalogue solves all three at once, and without taking WhatsApp out of the way: the customer builds the order in the window and it arrives written in the chat, with items, quantities and total.
People reach this page looking for
What gets built
Not a feature list. These are the apps people actually describe, and what the platform hands back when they do.
A product with a photo, variants, a price and a quantity. When stock hits zero the item leaves the window, and nobody buys what is not there.
The customer builds a cart and the app opens WhatsApp with the message already written: items, quantities, total and a note. You just check it.
A link for the Instagram bio and a QR code to print. It is what replaces the screenshot of a price list going round out of date.
Most-viewed and most-ordered products, so you restock before running out rather than after.
Included
Database, login, payments and publishing are part of the platform, not a list of services you go and wire up afterwards.
Every screen reads and writes models you can open, query and export. The data is a database of yours from the first minute, not a spreadsheet the app pretends to read.
Email, magic link and Google sign-in, with roles and per-record ownership enforced by Postgres itself. A badly written screen cannot become a leak, because the database answers empty.
Stripe, Pagar.me and Mercado Pago connect once. Card, Pix, boleto and subscriptions, with the card fields rendered by a hosted vault your app never touches.
One project published three ways: your own domain, an icon on the phone straight from the browser, and a signed binary submitted under your own store account.
Titles, metadata, sitemap, structured data and social images are generated with the app. Pages get found instead of only being linked.
Real React, edited line by line or by clicking the element on screen, exported as a ZIP or pushed to your GitHub. No lock-in you have to negotiate your way out of.
How it works
Three steps, and the second one is the one people do not believe until they watch it.
Say what the app does and what it has to remember. No diagram, no schema, no naming a single framework.
Screens, data models, login and payments appear while you read. Anything you do not like, you say so and it changes.
Live on your domain in seconds, with version history behind you. Tuesday's conversation is Tuesday's release.
Start here
This is a complete first message, not a slogan. Paste it, change the nouns to yours, and you have an app to react to instead of a blank page.
Build a digital catalogue for a clothing shop that sells through WhatsApp. Products with a photo, name, description, price, category, size and colour variants and a stock quantity per variant, leaving the window when the quantity hits zero; a public window with search and a filter by category, each product with its own page written to be found by search engines; the customer builds a cart and, on finishing, the app opens WhatsApp with the message already written containing items, variants, quantities, total and a notes field; a page with the link and a printable QR code for the shop; and an admin area only I can see, to add products, adjust stock and view the most-viewed and most-ordered products of the month.
Ready to start from
A template is a working app with data already in it. Open one, make it yours, publish it under your own account.
Questions
Because a lot of small sales close in the conversation, with delivery agreed and a last-minute discount, and a closed checkout breaks that. If you would rather charge inside the app, you can: card payments are the same platform, and the delivery page shows that shape. The WhatsApp catalogue is for people who want to keep the conversation in the middle.
Keep looking
Most apps end up sitting between two categories. Nothing stops you from asking for both in the same paragraph.
Menu, cart, delivery fee by area, payment and order tracking, in your own app and with no marketplace commission.
A QR-code menu, ordering at the table, reservations and a loyalty scheme, without a PDF pretending to be a menu.
Catalog, cart, checkout, coupons and subscriptions. Card and Pix built in, with orders and customers in your own database.
Requests, assigned drivers, pricing per route and tracking, with separate sign-up for passengers and drivers.
Availability per professional, services with different durations, a deposit taken at booking and a reminder the day before.
Classes with limited places, check-in, a training plan per member and a membership billed as a subscription.
Modules, video lessons, learner progress, certificates and one-off or subscription pricing, with the video hosted here.
Availability per practitioner and per room, patient records, insurance and private pricing, confirmations and reminders.
Grooming appointments, a record per animal, prepaid packages and a reminder for anyone who has not been back.
Free to start, no credit card. You only pay when you want to publish under your own brand, and you take the code with you if you ever want to.