Based in New YorkWorking worldwide

We build digital products that
drive business forward

Websites, SaaS platforms, mobile apps and Telegram solutions - full-cycle development from idea to support and scaling.

Send a brief Estimate project
21
Projects
delivered
4
Directions
of development
24h
Reply time
to any request
USA
Registered
Worldwide

Trusted by clients
in 4 countries.

21 projects delivered. Fixed scope, milestone payments, contract and NDA.

21
Projects delivered
24h
Reply guaranteed
3 days
Min. delivery time
$390
Starting price
100%
Fixed price. No surprises.
Full cycle
Design → launch → support
Get a ballpark estimate.
Payments Card · Wise. Milestone payments on fixed scope.
Trust NY company · Contract · NDA · Reviews
Our Services

What do you need?

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Landing & Website
Landing & Website $390Starting price
Landing page Corporate site E-commerce
Telegram bot
Telegram Bot $490Starting price
Booking system Catalog Payments
Mobile App
Mobile App $3,200Starting price
iOS Android Flutter
SaaS dashboard
SaaS / Custom from $1,800Starting price
CRM / ERP SaaS Web app
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from
$390
±20% after briefing
2-3 weeks
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Portfolio

Project cases

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Пульс
Mobile app Nightlife

Pulse

City nightlife poster: map, feed, stories and chats for Minsk.

Flutter + NestJS · MVP 6-8 weeks · iOS/Android

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Monedero
Mobile app FinTech

Monedero

Expense tracker: balance, reports and an AI assistant that logs spending by voice or text.

Flutter + Firebase · App Store · AI + voice

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Говорёнок
Mobile app EdTech

Govorenok

AI speech coach for kids 3-12: lessons, voice practice and parent progress.

Flutter + Next.js + NestJS · App Store · AI speech

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How it works

How we work

01

Request and brief

We clarify the goal, users, scope and constraints. Reply within 24 hours.

02

Estimate and proposal

Fixed price, stages and timeline — you approve before we start.

03

Agreement and kickoff

We lock scope, access and communication. Work starts on a clear plan.

04

Prototype and design

Structure and key screens first — so development starts with a shared vision.

05

Development

You see intermediate builds. Feedback is built into the cycle, not left for the end.

06

Testing and launch

QA, domain, deploy and go-live checks — until the product is live and stable.

07

Handover and support

Docs, access transfer and further support by agreement.

Frequently asked questions

Message @davinchi_dev_bot on Telegram or fill out the form. We'll discuss the task and give timeline and price. Landing pages from 3 days.
Landing from $390, corporate from $890, e-commerce from $1,900. Telegram bot from $490. Mobile app from $3,200. Exact price after a short briefing.
Telegram bot from $490: bookings, catalog, payments, notifications. From 5 days.
Yes, iOS and Android apps from $3,200. From 3 weeks.
Landing: 3–7 days, bot: from 5 days, store and app: from 3 weeks.
Yes - from one-off fixes to full project maintenance.
Card, Wise or USDT. Fixed scope with milestone payments. Contract and NDA included.
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Your Project.

We reply within 24 hours. First call is free.

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