✈️ Zwitchy journal

Travel guides

Connectivity tips, country deep-dives, and how to travel data-light.

One eSIM, 39 countries: the Eurotrip guide — Europe travel guide
Europe
One eSIM, 39 countries: the Eurotrip guide

Plan a multi-country rail trip without swapping SIMs once. Coverage, costs and packing tips.

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eSIM vs local SIM vs roaming in 2026 — Tips travel guide
Tips
eSIM vs local SIM vs roaming in 2026

The honest trade-offs, what each actually costs, and when a physical SIM still wins.

3 min readRead →
How much data you really need in Japan — Asia travel guide
Asia
How much data you really need in Japan

From pocket Wi-Fi myths to Google Translate hungry for data — a realistic breakdown for two weeks in Japan.

3 min readRead →