01
Web development
Landing pages, corporate sites and web apps. Fast, accessible, SEO-ready.
AstroNext.jsReact
Full-cycle development studio
Web, apps and bots — from idea to release.
Rephyx.tech is a studio that covers the entire cycle with one team: design, development, launch and support. A transparent process, clean code, real results.
Web development
Websites and web apps on a modern stack.
Mobile apps
iOS and Android, cross-platform.
Bots and automation
Telegram bots, chatbots, integrations.
APIs and integrations
Payments, CRM, external services.
Services
What we do
From the first idea to a product in production. Pick a direction — or order the whole thing turnkey.
02
Mobile apps
iOS and Android from a single codebase. Native UX, publishing to the stores.
FlutterReact Native
03
Bots and automation
Telegram bots, chatbots, parsers and scripts that save hours of routine work.
TelegramPython
04
APIs and integrations
We connect services, payment systems, CRMs and external data into a single flow.
RESTGraphQLWebhooks
05
UI/UX design
Prototypes, interfaces and design systems that are a pleasure to use.
FigmaDesign System
06
Support and growth
Hosting, monitoring, updates and new features after release. You are never left on your own.
DevOpsSLA
Why Rephyx
How we think about work
Transparency
Clear stages, a fixed estimate and regular demos. You always see the progress.
Speed
The first result in weeks. We work in sprints, without unnecessary bureaucracy.
Quality
Clean code, tests and documentation. A product that is easy to grow further.
Process
How we work
Four clear stages. You always see what stage the project is at and what comes next.
01
Discovery
Briefing, requirements, scope and timeline estimate. We lock down goals and budget.
02
Design
Prototype and UI. We agree on every screen before development starts.
03
Development
Sprints with demos. Clean code, reviews, tests, regular updates.
04
Release
Launch, configuration, handover. Then — support and growth.
Stack
The technologies we build with
Proven tools without the hype. We pick the stack to fit the task, not the other way around.
Frontend
TypeScriptReactNext.jsAstroTailwind
Backend
Node.jsPythonPostgreSQLRedis
Mobile
FlutterReact NativeSwift
Bots & Infra
Telegram Bot APIDockerCI/CDAWS
60+Projects
8Years of experience
30+Clients
24/7Support
FAQ
Frequently asked questions
It depends on the scope. After a short brief we give a fixed estimate of cost and timeline — with no hidden charges.
A landing page — 1–2 weeks. A turnkey product — from 4 to 8 weeks depending on complexity and integrations.
Yes. We work fully remotely and communicate through the channel and language that suit you (UA/EN).
We offer monthly maintenance: monitoring, updates, fixes and building new features.
Everything is handed over to you: repository, access, documentation. No vendor lock-in.
Yes — we take on projects for audit, refactoring and further growth, even if another team started them.
Contact
Let’s discuss your project
Tell us briefly about the task — we’ll reply within a day with an estimate and next steps.
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