Calculators and planning tools for data abroad
Every tool runs on the numbers you enter. Free, no sign-up, and no result is bent toward the plans we earn more on.
Planning before you buy
算出這趟旅行需要多少 GB輸入天數和你的用量習慣，就能看到該買多少 GB，不必為用不到的緩衝多花錢。Read more 回答四個問題，看看哪種方案適合你它不會硬推某個方案，而是告訴你哪種類型適合你的行程：單國、區域、按日或無限流量。Read more How much data to share a hotspot with your travel partyWork out the total when other devices ride on your phone.Read more Buying data for a family tripCompare one plan each against one adult sharing to everyone.Read more Getting a large group online without losing anyoneFor tour leaders, trip organisers and friend groups moving together.Read more Which day does this plan expireValidity starts at first connection, not at purchase.Read more Pick your countries and see if one plan covers themFor multi-country itineraries where buying one plan per border is a chore.Read more
Cost comparison
Managing usage
你的流量實際能撐幾小時選一項活動，看看幾 GB 能用多少小時。Read more How much data does streaming video eat on a tripCompare 480p, 720p and 1080p once you multiply by several evenings.Read more How much data an online meeting abroad costsFor people with daily standups, or a daily call home.Read more What automatic photo backup costs you over a tripThe reason data vanishes on trips where nobody watched any video.Read more How much you can use each day without running outTurn the whole allowance into a daily number you can set as a phone alert.Read more Will the data left last until you fly homeEnter what you have used and what is left, and see whether to top up.Read more What your remaining speed can still doCompare full speed against post-throttle speed in practical terms.Read more
Setup and troubleshooting
搜尋你的機型，看看是否支援 eSIM輸入機型，例如 iPhone 13 或 Galaxy S22，即可查看結果，另附上比任何查詢表都準確的手機內建檢查方式。Read more When to switch the eSIM on so no day is wastedBefore boarding, at a layover, or after landing — it depends on the plan's activation policy.Read more Twelve things to do before you flyTick them off; this browser remembers where you got to.Read more The eSIM is installed but nothing worksPick the symptom and work down the steps, most effective first.Read more
These tools give estimates to decide with, not measurements from a live network or your handset. The most accurate number for you is your own data usage from a past trip.