Internet in China: eSIM, Roaming and the Apps Worth Downloading
Connectivity is the part of a China trip that decides whether everything else goes smoothly — because your maps, your payments and your hotel bookings all run through your phone. Set it up before you fly; after landing it is far harder to fix. Information current as of October 2026.
A neutral note on what works where
Some overseas services — certain international search engines, social platforms and messaging apps — are not accessible on mainland Chinese networks, including hotel and airport Wi-Fi. This is simply the operating environment; local apps (WeChat, Alipay, local maps, local translation tools) work everywhere. Two neutral planning points follow from this, and we'll stay on practical ground:
- Download and test every app you need before departure, and prepare offline versions of what you can.
- Your connection type determines your app behavior — which is why the next section matters.
Your three connection options
Option 1 — International travel eSIM (recommended for most trips). Travel eSIMs sold by international providers activate on local towers but route data through the provider's home network abroad. Typical cost runs $10–35 for a 1–3 week data plan. Practical notes:
- Buy and install the profile before you fly — activation needs a working connection.
- Most plans allow hotspot sharing, useful for travel companions.
- iPhones sold in mainland China lack eSIM hardware — not an issue for visitors' own phones, but check dual-SIM behavior with your home SIM.
- Keep your home SIM in place for receiving SMS verification codes (your bank will send them).
Option 2 — International roaming from your home carrier. If your plan's China roaming routes data through your home network, your apps behave exactly as at home. Check with your carrier what "roaming in China" actually includes and what it costs — daily passes are common and prices vary enormously.
Option 3 — A local Chinese SIM. Cheapest data and gives you a Chinese phone number (handy for some local services), but remember point one above about which services are reachable, and it requires your passport at an official carrier store. For a one-to-two-week city trip, most visitors don't need it.
The apps worth installing (all before departure)
| Purpose | App | Why |
|---|---|---|
| Maps & transit | Amap (Gaode) or Baidu Maps | Accurate local routing, exit letters, real-time bus/metro data; both have English interfaces |
| Maps (iOS) | Apple Maps | Works well in Chinese cities with English labels — a good baseline |
| Translation | A translation app with offline Chinese packs + camera/voice modes | Menus, signage, pharmacy labels |
| Payments | Alipay, WeChat | See our payments guide |
| Ride-hailing | DiDi (or its Alipay/WeChat mini-program) | Foreign number + foreign card supported; in-app chat translation |
| Rail | 12306 (official) or Trip.com | 12306 accepts foreign passports; Trip.com is the smoother booking flow |
| Messaging | WeChat | What hotels, guides and Chinese friends actually use |
The offline kit that saves trips
Whatever your connection choice, prepare these offline:
- Offline maps of Beijing (Amap and most translation apps support offline packs).
- Screenshots: your hotel's name and address in Chinese characters, your first attraction's meeting point, your passport photo page.
- Your e-ticket PDFs and booking confirmations in your email and phone storage, not just an app.
- A power bank — a day of maps, photos and QR payments drains phones fast, and a dead phone also means a dead wallet.
Practical notes
- Best default: travel eSIM installed at home + home SIM kept active for SMS + offline maps and translation packs downloaded.
- Costs: eSIM ≈ $10–35/week equivalent; home roaming varies wildly — check before flying; local SIM cheapest but needs passport registration at an official store.
- Wi-Fi reality: hotel and public Wi-Fi are local networks — behavior differs from your eSIM/roaming connection; don't rely on either for critical tasks.
- Confirmation: network conditions and app availability change; verify your carrier's roaming terms and your eSIM provider's coverage notes close to departure.