Web apps
Business apps that open in a browser with nothing to install. Everyone on the team visits one address and sees the same data; when a new version ships, nobody has to update anything. Built with Flutter Web.
Service · App Development
App Development.
At begodesign in İstanbul, I design and build the web, mobile and PWA apps that carry the daily weight of a business — from the first screen to the last line of code.
I am Bego, a UI/UX designer and developer. The same person draws the interface, sets up the database and ships the app, so nothing gets lost in the gap between design and code. Web design, web development, app development and game development are the four services I offer; this page is about the third one.
What kinds of apps I build.
Mobile apps
Mobile apps built from a single Flutter codebase. Flows that will be used in the field, in the warehouse or on the road are designed for the phone screen — not as a shrunken desktop interface.
PWA — installable web apps
Apps packaged as a PWA can be installed on a device and stay in sync across several of them. It is the practical way to roll an app out inside a team without going through store processes.
Custom admin systems
Design and architecture from scratch, a custom admin panel, user and role management, a database and modules specific to your work. Instead of bending your process to fit an off-the-shelf panel, I build the panel around the process.
Two apps running in production.
Both systems below are live and in internal use. They share the same starting point: a process a team was trying to run in Excel, moved into an app written for that job.
B2B App · Flutter Web + Firebase
Quote Builder App
- A B2B management system that moves quoting out of unwieldy Excel sheets into a dynamic Kanban pipeline.
- Drag-and-drop stages keep the status of every quote visible in real time.
- One-click branded, bilingual (TR/EN) PDF quote generation — automated end to end.
- An analytics dashboard reports conversion rate and sales performance live.
Warehouse System · Flutter + Firebase + PWA
Stock Management App
- A warehouse management system that imports thousands of rows of stock data from Excel in one go.
- An integrated shelf system tracks the location and movement of every product.
- A live KPI dashboard keeps stock levels under constant watch.
- PWA with multi-device sync; critical stock alerts make counting an error-free routine.
App work is not always a panel: for one client I built an AI-assisted stencil tool inside begotattoo.com. You can see every project on the work page.
The tech I use.
Chosen to keep the project standing, not to follow a trend. On the app side I use Flutter and Flutter Web so one codebase can reach both web and mobile, Firebase for data and authentication, PWA for installable delivery, and Cloudflare for shipping.
Flutter
Flutter Web
Firebase
PWA
Cloudflare
How pricing works.
App and game projects have no fixed list price; each one is quoted individually. The reason is simple: the distance between a quote board and a warehouse system handling thousands of rows is far too wide for a single number. We talk about what you want to build, define the scope together, and then I put a quote in front of you.
Custom System package
from $1,280
Custom admin systems overlap heavily with app work, so if that is what you are after there is a ready starting point. The Custom System package covers custom design and architecture from scratch, a custom admin panel, user and role management, a database, custom modules, and setup with training. Delivery takes 2-4 weeks; timelines can shift depending on content and feedback turnaround.
Frequently asked questions.
How much does app development cost?
App and game projects are quoted individually; there is no fixed list price. Once we have defined the scope together, I prepare a quote for your project. For custom admin systems, the Custom System package starts from $1,280.
How long does app development take?
The timeline depends on scope and is planned per project. Work within the Custom System package is delivered in 2-4 weeks. Timelines can shift depending on content and feedback turnaround.
Which technologies do you use?
On the app side I use Flutter, Flutter Web, Firebase and PWA; for shipping and delivery, Cloudflare. Both of the apps running in production were built with these tools.
Do you also do game development?
Yes. The services I offer are web design, web development, app development and game development. Game projects are quoted individually, just like app projects.
Let's talk about the app you have in mind.
Tell me the idea, we define the scope together, and the quote follows from there. İstanbul, Türkiye — [email protected]