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How-to Guide

Family travel data — the smartest way to connect multiple devices

7 September 2026·Proost eSIM

You don't need a separate plan for every device

One of the most common questions from parents: do we need a SIM for every phone and tablet? The answer is almost always no.

How hotspot sharing works

Every Proost eSIM plan includes hotspot as standard, at no extra cost. Buy one plan, install it on one phone, and share the connection with everyone else's devices — kids' tablets, your partner's phone, even a laptop if needed.

Choosing the right data size for a family

Add up realistic usage across everyone sharing the connection:

Each person doing light maps/messaging: ~1GB per week per person

Kids watching some videos or playing games on the tablet: add 2-3GB per week

A family of four with moderate use: 10-15GB for a week is a sensible starting point

Practical tips for families

Set up the eSIM on the parent who'll carry the phone most consistently during the day

Download offline entertainment (movies, games) before you fly to reduce reliance on streaming over mobile data

For older kids with their own phones, consider whether they need their own separate eSIM for independence, or whether sharing hotspot works fine

Regional plans are worth it for multi-country family trips — one setup, no juggling plans as you cross borders

Why this beats buying multiple SIMs

Buying individual SIMs for each family member multiplies your cost for no real benefit — you're paying for redundant infrastructure when one connection, shared via hotspot, does the same job for a fraction of the price.

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