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Application development

Web, mobile, Chrome, and desktop.

One product, four places a person can open it. The browser, the phone, an extension beside the work they already do, and a desktop app when the work should not live in a tab. The account, the orders, and the permissions stay in one place.

One product
Four surfaces

01 / 04

Web

The product in a browser: a shop, a portal, a SaaS tool, or the desk a team works in.

web

What this service is

Application development here is the product people use: a web application, an iOS and Android app, a Chrome extension, and a desktop application for macOS, Windows, or Linux. Dafi Labs designs them as one system. A shop, a portal, a SaaS tool, or an internal desk can open on the surface that fits the job, without a second database and without a second vendor.

Four surfaces. One account.

The browser, the phone, the extension, and the desktop window read the same product. We build the surface the work actually needs. We do not invent a second system beside it.

What we actually build.

Any one of these can be the job. Together they are one product your team can run.

01 · The browser

Web applications

The product in a browser: a SaaS tool, a shop, a marketplace, a customer portal, a landing page, or the desk your own team works in. Next.js and React on the page, Node.js and PostgreSQL behind it. It is finished when a person can complete the job, not when the homepage looks done.

  • SaaS, shops, marketplaces, and portals
  • Accounts, data, and the path a customer takes
  • Care after it is live
Web applications

02 · The pocket

Mobile applications

iOS and Android, usually from one React Native codebase, with a native module when the store or the hardware requires it. Commerce, a field tool, chat, or the same account they already use on the web. A release plan, then someone who stays after the listing is live.

  • iOS and Android from one codebase
  • Orders and accounts that match the web
  • A release to the stores, and care after it
Mobile applications

03 · Beside the work

Chrome and browser extensions

A Chrome extension, and the same extension on Edge and Firefox when the audience is there. Manifest V3. A side panel, a toolbar action, or a small layer on a site your team already lives in: mail, a CRM, a marketplace, an internal tool. The extension should remove a tab, not add a product people have to remember to open.

  • Chrome, Edge, and Firefox
  • Side panels on the sites you already use
  • The same account as the web app
Chrome and browser extensions

04 · Off the browser

Desktop applications

macOS, Windows, and Linux, when the work is too heavy, too offline, or too constant for a tab. Electron when the interface should match the web app. Tauri when the app should be smaller and sit closer to the machine. Files, devices, and a window that stays open while the person works.

  • macOS, Windows, and Linux
  • Electron or Tauri, chosen for the job
  • Offline work and files the browser cannot hold
Desktop applications

The kinds of applications.

The surface is how it is opened. The kind is what it is for. A single engagement is usually one kind, on the surfaces that kind actually needs.

  1. SaaS products

    Accounts, roles, and a tool a customer pays to keep using.

  2. Shops and marketplaces

    Catalog, cart, checkout, and a fair split when more than one seller is on the floor.

  3. Portals and internal tools

    The desk a client or a team opens, instead of a sheet and a thread of messages.

  4. Field and companion apps

    The phone version of a job that already exists on the web.

  5. Browser extensions

    A small surface on Chrome, Edge, or Firefox, beside work that already has a home.

  6. Desktop software

    A window for work that needs files, devices, or time away from the network.

  7. Progressive web apps

    A web application that can be installed, when a store listing is not the point.

Tools and technologies.

The stack is chosen for the surface. The data model is shared, so a person does not learn a different product on each device.

The shared product

  • TypeScript

    The language across the web app, the API, the extension, and most of the desktop interface.

  • React and Next.js

    Web applications, portals, shops, and the pages around them.

  • Node.js

    The API and the jobs that sit behind the product.

  • PostgreSQL

    The account, the order, and the record the team has to trust.

  • Tailwind CSS

    The interface, kept consistent across the surfaces we draw.

Mobile

  • React Native and Expo

    iOS and Android from one codebase, with a release to both stores.

Browser

  • Chrome extensions, Manifest V3

    The extension itself, and the same build for Edge and Firefox when the audience is there.

Desktop

  • Electron

    A desktop app that can share the web interface.

  • Tauri

    A smaller desktop app, closer to the operating system, when that is the better machine.

Release

  • AWS

    Where the product runs once it is live.

  • Python

    A data job or a model beside the application, not inside the screen.

  • Stripe

    Payments, when the product is a shop or a subscription.

  • Playwright

    The paths a customer takes, checked before a release.

  • Docker

    The same application, runnable the same way in more than one place.

Industries we build for.

These are the sectors the studio already writes for. The application is the part a person opens. Robotics, automation, search, and film stay available when the job needs them. Clinical decisions and legal advice stay with the people who are allowed to make them.

How this is different.

Application work is often split: a web shop, a mobile shop, someone else for the extension, and a desktop tool that does not share an account. We keep it as one product.

  1. 01

    One account

    The web app, the phone, the extension, and the desktop window read the same people, the same orders, and the same permissions.

  2. 02

    The surface that fits

    A Chrome extension when the work already happens in the browser. A desktop app when it should not. We do not force every product into a website.

  3. 03

    The rest of the studio

    The same team builds robotics, automation, search, and cinematic content. The application can connect to that work without a second contract and a second data model.

  4. 04

    Built around the decision

    A screen is finished when a person can complete the job. A template that looks complete and cannot take an order is not a delivery.

  5. 05

    After launch

    Store listings, a release, and someone who stays while your team learns to run it. We do not hand over a repository and leave.

How a product is delivered.

  1. 01

    The job and the surface

    Which decision the product has to support, and whether that happens in a browser, a phone, an extension, or a desktop window.

  2. 02

    One model

    The account, the data, and the permissions, drawn once, before a second surface exists.

  3. 03

    The first surface

    The place people will actually use, shipped far enough that a real user can finish.

  4. 04

    The other surfaces

    Mobile, Chrome, or desktop, only when they share that model. A second database is a problem, not a feature.

  5. 05

    Release and the team

    Stores, installers, and the people who will run it. We stay until running it is ordinary.

Questions

Do you build Chrome extensions?

Yes. Chrome first, and Edge and Firefox from the same extension when the audience is there. It uses the account the web application already has.

Can the mobile app and the website share orders?

Yes. That is the point. A phone that creates a different kind of order is a second system your team has to reconcile by hand.

Electron or Tauri for desktop?

Electron when the desktop app should share the web interface. Tauri when it should be smaller and sit closer to the machine. We choose after we know the job.

Do you write native iOS and Android?

The default is React Native, so one codebase ships to both stores. A native module is added when the hardware or the store requires it.

Which industries do you build for?

Commerce, hospitality, healthcare administration, education, real estate, legal intake, logistics, media, manufacturing, fintech, and early products. Clinical decisions and legal advice stay with the people who are allowed to make them.

How is this different from a typical app agency?

An agency often ships one surface and leaves the others, and the data, to someone else. We ship the surfaces as one product, and the same studio can connect that product to automation, search, film, or a machine on the floor.

How long does a first version take?

A focused web application is often 6–12 weeks. A mobile release beside an existing web product is often 8–14 weeks. An extension is often shorter. A desktop app depends on files, devices, and offline work. The range is set after we have seen the job.

Tell us which surface the work actually lives on.

A browser, a phone, a Chrome extension, or a desktop window. We will say which one should be built first, and which ones would only split the account.