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Web service & SaaSWeb appTelegram Mini App

StampClock relocation cost service for 27 cities

The numbers on this page are our own measurements and data from our systems, dated. We do not publish client sales or testimonials we were not given.

Visit site ↗
StampClock - hero screen
ServiceWeb service & SaaS ↗Live sitestampclock.com ↗
StackReact, TypeScript, Node.js
What we built
Web appTelegram Mini AppData pipeline27 cities
92/100mobile performance
100/100accessibility
27cities in 13 countries
6 hhow often entry rules are re-checked

Measured with Google Lighthouse 12 on the live site, 08.10.2026: mobile profile (slow 4G), median of three runs. Cities, countries and check frequency - from the live stampclock.com on the same date.

01

The task

Show a holder of a Russian or Belarusian passport where they can go: rent and food prices, flight cost and visa-free limits, all in one place.

02

What got in the way

This data is spread across dozens of sources and goes stale fast. Collecting it into a spreadsheet works once; maintaining it by hand does not.

03

Project constraints

  • Data has to refresh itself
  • Two entry points: a web app and a Telegram mini app
04

What we built

  • Web app with a city table, filters and a card per destination
  • Telegram mini app on the same data core
  • Data collection for 27 cities across 13 countries
  • Stay limits calculated per passport
05

How it looks

StampClock - screen 2
Screen 2
StampClock - screen 3
Screen 3
StampClock - mobile version
Mobile version
All screens in the portfolio ↗
06

Built with

ReactTypeScriptNode.jsPostgreSQLTelegram Mini AppsOVH
07

Similar project

If you need something similar, the service page lists what is included, timelines and pricing.

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