Apps people love.
Built with you.

Hi.

Cześć.

Hallo.

Your smart
design & development
service.

We offer on-demand teams to build, support and scale digital products:

Native Android and iOS apps

Hybrid mobile and web apps

Online shops and websites

Big brands
and hot
startups
build with us.

sleekpeek®

x0.1 - Waterdrop®.app

We look
forward to
seeing you.

Management

Jan Feldkircher (CEO)

D-A-CH markets

+48 888 787 323

Deutsch | English

Kamil Rewienski (CXO)

Polish market

+48 600 377 833

Polski | English

Imprint

sleek.app

ul. Starowiślna 34
31-032 Kraków
Poland

Mail
hello@sleek.app

Web
www.sleek.app

Responsible for content:
Jan Feldkircher

VAT ID | NIP

PL6762552735

Company no. | REGON

380849608

Apps people love.Built with you.

Your smart design & development service.

We offer on-demand teams to build, support and scale digital products:

Native Android and iOS apps

Hybrid mobile and web apps

Online shops and websites

You can choose between a flexible subscription model and convenient product packages.

Big brands and hot startups build with us.

We look forward to seeing you.

Management

Jan Feldkircher (CEO)

D-A-CH markets

Deutsch | English

Kamil Rewienski (CXO)

Polish market

Polski | English

Imprint

sleek.app

VAT ID | NIP

Apps people love.
Built with you.

Your smart
design & development
service.

Big brands
and hot
startups
build with us.

We look
forward to
seeing you.