Field notes
Guides written from the road and monthly market reports built on our open dataset. Pick a topic below, everything is field-tested or pulled from our live data.
Monthly snapshots of what mobile data costs across the region: price-per-GB rankings, network quality and what changed since last month.
Connection problems, no-data fixes, dual-SIM setup and what to do when an eSIM stops working abroad.
How much data maps, calls and streaming really use, so you size your plan right instead of guessing.
- Airport SIM vs eSIM bought online
- How much data do digital nomads use per month?
- How much data do you need for a 2-week trip?
- How much data does Google Maps use per hour?
- How much data does a WhatsApp video call use?
- Is 1GB enough for a week of travel?
- Multiple single-country eSIMs vs one regional eSIM
- Streaming abroad: how much data does it cost per hour?
- Travel eSIM vs hotel WiFi: when each wins
- eSIM vs local SIM vs international SIM
- eSIM vs pocket WiFi: which is better for travel?
- eSIM vs roaming: the real cost difference
eSIM against pocket WiFi, roaming, airport SIMs and hotel WiFi. When each one actually wins.
How many eSIMs your phone holds, switching between them, and transferring to a new handset.
Real speed and coverage results from the road, with screenshots. The data nobody else publishes.
Connectivity setups by trip type: digital nomads, families, backpackers and business travel.
How to read a plan, hidden fees to watch for, and when an unlimited eSIM is worth it.
Getting online at major airports: eSIM vs arrival kiosks, measured speeds on the ground, activation timing and the classic pitfalls.
- eSIM at Bangkok BKK airport: skip the kiosk queue
- eSIM at Ho Chi Minh City airport: measured at SGN
- eSIM at Osaka Kansai airport: why the slow KIX signal lies
- eSIM at Sapporo New Chitose: the 10x gap we measured
- eSIM at Seoul Incheon airport: what we measured at ICN
- eSIM at Singapore Changi: land connected at SIN
- eSIM at Tokyo airports: Haneda vs Narita, measured
Staying connected during major festivals and events: why networks strain in the crowds, what to prepare, and how to keep data working when it matters most.
Multi-country trip routes and how to stay connected across every border: why one regional plan usually beats juggling several country eSIMs.
The local apps that matter in each destination, from transit and translation to messaging, and how much eSIM data each one really uses.
- The apps you actually need in Bangladesh (and how they use your eSIM data)
- The apps you actually need in Cambodia (and how they use your eSIM data)
- The apps you actually need in China (and how they use your eSIM data)
- The apps you actually need in Hong Kong (and how they use your eSIM data)
- The apps you actually need in India (and how they use your eSIM data)
- The apps you actually need in Indonesia (and how they use your eSIM data)
- The apps you actually need in Japan (and how they use your eSIM data)
- The apps you actually need in Laos (and how they use your eSIM data)
- The apps you actually need in Malaysia (and how they use your eSIM data)
- The apps you actually need in Mongolia (and how they use your eSIM data)
- The apps you actually need in Nepal (and how they use your eSIM data)
- The apps you actually need in Singapore (and how they use your eSIM data)
- The apps you actually need in South Korea (and how they use your eSIM data)
- The apps you actually need in Sri Lanka (and how they use your eSIM data)
- The apps you actually need in Taiwan (and how they use your eSIM data)
- The apps you actually need in Thailand (and how they use your eSIM data)
- The apps you actually need in Vietnam (and how they use your eSIM data)
- The apps you actually need in the Maldives (and how they use your eSIM data)
- The apps you actually need in the Philippines (and how they use your eSIM data)