Live with a client

Storefront app for retailers

A catalogue customers can install on their phone, with every product one tap from a WhatsApp order that already names the item. No checkout to abandon, no app store to fight.

The Sastho storefront home page with its categories and WhatsApp ordering
Live client site. Open it yourself with the button above.

You have a shop with a catalogue and a WhatsApp number

We have the storefront app.

One surface

The storefront

For the customer. The shop updates the catalogue, we handle the rest.

  • Catalogue by category with product pages
  • WhatsApp order with the item named
  • Install to the home screen from a link
  • Fast on a cheap phone on mobile data

Status today

StatusLive with a client
DemoOpens in your browser
How it runsA fast site that loads in a moment on a cheap phone and installs like an app.
FitsRetailers who sell on WhatsApp today and want the catalogue to do the typing.

Live for a home and kitchen retailer in Sri Lanka since September 2026.

What is inside

The modules, as they are named in the build.

  • Catalogue
  • Categories
  • Product pages
  • WhatsApp orders
  • Install link

How a demo works

From a message to a system with your name on it.

01

Ask

One WhatsApp message naming your business.

02

See it with your name on it

We cast the demo with your business name, your services and your people.

03

Walk through it on a call

Twenty minutes, your real day, button by button.

04

Price in writing

A scope, a monthly figure and a start date on paper before anything is built.

Other systems

Three more from the store.

All nine systems
Live demo

Garage operating system and customer app

You have a garage, a service centre or a workshop. We have the garage operating system and the customer app.

Service centres, mechanical workshops, tyre and battery shops, detailing studios that want the bay view.

The sign-in screen lists the demo seats to use.

Live demo

Tuition operating system and student app

You have a tuition class, an academy or a training centre. We have the tuition operating system and the student app.

Tuition classes, language schools, exam academies, sports and music coaching with a fee book.

The demo asks for a password because it runs on a real academy's setup. Message us and we send it with a short walkthrough.

The gym demo dashboard: the three members to call today, each with a message ready to send
Demo screen, made-up gym
Live demo

Gym operating system and member app

You have a gym, a studio or a fitness centre. We have the gym operating system and the member app.

Gyms, CrossFit boxes, yoga and pilates studios, swimming and martial arts schools with monthly members.

Pick any account on the sign-in screen. No password needed.

Your name on Storefront app.

Ask and we cast the demo with your business on it, then walk you through it on a call.

Ask for the demo