Google Maps offline: download your route before you travel
By Ali · Updated on · 9 min read
Read article →The RoamSonar blog
Practical answers for a better-connected trip. Learn how travel connectivity works, solve common problems and choose with confidence.
Using an eSIM on an iPad: cellular models, setup and data sharing
By Ali · Updated on · 8 min read
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How much mobile data do you need for 7, 14 or 30 days away?
By Ali · Updated on · 9 min read
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Using WhatsApp abroad with a travel eSIM: keep your number, avoid surprise charges
By Ali · Updated on · 8 min read
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How to transfer an eSIM to another iPhone without losing your connection
By Ali · Updated on · 10 min read
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Dual SIM on iPhone for travelling: keep your number, choose your data
By Ali · Updated on · 8 min read
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How to check whether your phone is unlocked before travelling
By Ali · Updated on · 7 min read
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Cruise eSIM or ship Wi-Fi? Plan for sea days and ports
By Ali · Updated on · 7 min read
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eSIM coupon pricing: check the saving before you pay
By Ali · Updated on · 7 min read
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How to install a travel eSIM on iPhone and Android
By Ali · Updated on · 8 min read
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One eSIM for a Europe trip: how to check every stop
By Ali · Updated on · 7 min read
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Travel eSIM vs roaming: compare the real trip cost
By Ali · Updated on · 7 min read
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What does unlimited eSIM data really mean?
By Ali · Updated on · 7 min read
Read guide →Written for travellers
Ali brings over nine years of travel and eSIM experience, including seven years running a travel agency and working with GDS platforms, flight systems and Galileo. Meet Ali →