Guías de viaje

7 guías — toca cualquier tarjeta para leer la guía completa.

How to track the countries you've visited

Compare the best ways to track and visualize the countries you've visited, from spreadsheets and scratch maps to automatic passport-map apps.

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eSIM vs roaming: which should you use abroad?

eSIM vs roaming vs local SIM explained: what each costs, when to use them, and how to pick and install the right option for staying connected while traveling.

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How to plan a multi-country trip

A practical, step-by-step guide to planning a multi-country trip: routing, visas and entry rules, connectivity, itinerary building, and budgeting.

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How to check visa requirements before you travel

Learn how to reliably check whether you need a visa: match your passport, destination, and trip purpose, use official sources, and avoid common pitfalls.

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How to choose the best eSIM for international travel

How to choose the best eSIM for international travel: compare coverage, data, validity, price, top-ups, and device compatibility with this buyer's guide.

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How to build a travel itinerary, step by step

A step-by-step guide to building a travel itinerary: organize bookings, plan realistic days, add buffers, keep details offline, and share with your group.

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Using Carreh Live Activities

A quick guide to Carreh Live Activities: how the lock-screen cards for flights, stays, trip days and eSIM data appear automatically, how to enable them, and how to add Carreh's 8 home-screen widgets.

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Descarga Carreh — gratis en iPhone y Android

Planifica viajes, compra eSIM para más de 200 países, registra todos los lugares que has visitado y consulta visados — todo en una app.