Does It Work In

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Know what works before your plane lands.

Vendor sites promise “190+ countries supported.” We audit actual eSIM carrier breakout, firewall blocks, foreign card KYC caps, and pre-boarding setup across 11 destinations and 35 field guides.

China (Mainland) Readiness Sheet

CN

East Asia · 8 services audited · Checked 2026-11-11

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• Foreign Travel eSIMs (Airalo, Holafly, Nomad) Bypasses the Great Firewall automatically via Hong Kong or Singapore roaming exits, but the eSIM profile must be installed before landing. Works
• Consumer VPN Apps on Hotel Wi-Fi Standard WireGuard and OpenVPN protocols are blocked on Chinese Wi-Fi; only obfuscated TLS/Stealth protocols or roaming cellular data work reliably. Workaround
• Alipay with Foreign Visa / Mastercard Works at 95%+ of merchants; fee-free up to 200 CNY per transaction, 3% international card fee above 200 CNY, and passport verification required above $2,000/yr. Conditional
• WeChat Pay with Foreign Credit Cards Works for merchant QR payments and Mini Programs once identity is verified, but cannot send peer-to-peer red packets or transfers to personal accounts. Conditional
• Google Maps, Gmail & WhatsApp Blocked on local Wi-Fi and domestic SIMs; furthermore, Google Maps road data in mainland China is offset by 100–600m (GCJ-02)—use Apple Maps or Amap. Blocked
• ChatGPT, Claude & Gemini Blocked on Chinese IPs AND Hong Kong exit IPs; requires a Singapore-, Japan-, or US-routed eSIM or VPN exit node. Workaround

Pre-flight rule: Install a Singapore- or Hong Kong-routed travel eSIM (Airalo or Nomad) and link a foreign Visa/Mastercard inside Alipay and WeChat Pay before you board your flight.

eSIM & partner referral codes →

All Destination Hubs

Pre-boarding matrices for roaming, firewall rules, cards, maps and AI access.

Directory (11) →

• China (Mainland)

  East Asia Install a Singapore- or Hong Kong-routed travel eSIM (Airalo or Nomad) and link a foreign Visa/Mastercard inside Alipay and WeChat Pay before you board your flight. 6 rules

• Europe (EU, UK & Switzerland)

  Europe Ensure your European regional eSIM explicitly includes Switzerland and the UK (non-EU), and always choose to pay in EUR/GBP/CHF—never USD—on card terminals. 3 OK

• Hong Kong

  East Asia Google and WhatsApp work without a VPN, but ChatGPT and Claude block Hong Kong IPs—use a VPN or a Singapore-routed eSIM to access AI tools. 2 rules

• Indonesia (Bali & Jakarta)

  Southeast Asia Use a Telkomsel-backed roaming eSIM (Airalo or Nomad) to skip airport IMEI registration queues and automatically bypass Indonesia's Reddit DNS block, and link a Wise card to Grab and Gojek before landing. 2 rules

• Japan

  East Asia Add a Suica or PASMO directly in Apple Wallet before arrival, and pick a low-latency eSIM (Ubigi or Nomad) instead of carrying a bulky Pocket Wi-Fi. 3 rules

• South Korea

  East Asia Google Maps cannot give walking or driving directions in South Korea—install Naver Map or KakaoMap in English mode before landing, and bring a physical chip card for T-money. 2 rules

• Taiwan

  East Asia Taiwan enforces NCC real-name registration on domestic carrier eSIMs; use a foreign roaming eSIM or pre-book a Chunghwa Telecom airport pickup pass on Klook. 1 rules

• Thailand

  Southeast Asia Skip the 220 THB Thai ATM fee by linking a Wise or Revolut card inside Grab and using contactless Visa/Mastercard on Bangkok MRT; install an AIS/DTAC eSIM before arrival. 1 rules

• Turkey

  Middle East & Europe Download, install, and activate your Turkey eSIM profile AND a VPN before boarding your flight; once on Turkish Wi-Fi or local cellular networks, eSIM provider websites and top-up portals are blocked without a VPN. 4 rules

• United Arab Emirates (Dubai & Abu Dhabi)

  Middle East WhatsApp and FaceTime calls fail on Dubai hotel Wi-Fi and free airport SIMs; install an obfuscated VPN (ExpressVPN, NordVPN, or Proton VPN Stealth) before flying, or use a foreign roaming eSIM that tunnels traffic outside the UAE. 2 rules

• Vietnam

  Southeast Asia Choose a travel eSIM that roams on Viettel (Airalo Xin Chao or Nomad) rather than Vietnamobile, and link your foreign card in the Grab app before leaving home. 1 rules

Pre-Departure Field Guides

Official vendor claim vs. verified reality and pre-flight checklists.

All 35 guides →

• Can Foreigners Use Alipay in China with a Visa or Mastercard?

  Yes. Foreigners can link international Visa, Mastercard, JCB, Diners Club, and Discover cards directly to the standard Alipay app. Transactions up to 200 CNY (~$28) are fee-free; payments above 200 CNY incur a 3% international card processing fee. China (Mainland)·Payments·Top pick: Wise Conditional→

• Does ChatGPT Work in China, and How to Access It Safely?

  ChatGPT, Claude, and Gemini are double-blocked in China: blocked by the Great Firewall AND geo-blocked by OpenAI/Anthropic on both mainland Chinese and Hong Kong IPs. To use ChatGPT in China without a VPN, you must use an eSIM whose exit node is in Singapore (such as Airalo Chinacom), not Hong Kong. China (Mainland)·AI Tools·Top pick: Airalo Workaround→

• How Foreigners Use DiDi & Book 12306 High-Speed Trains in China (2026 Guide)

  You do NOT need the standalone Chinese DiDi app or a Chinese bank account. Open the DiDi Mini Program directly inside Alipay—it runs in English, accepts your linked foreign Visa/Mastercard, and bills under the 200 CNY fee-free threshold on almost every city ride. For China High-Speed Rail (G/D trains), book via Trip.com in English: it syncs directly with 12306 so you enter stations by scanning your physical passport at the gate. China (Mainland)·Transit·Top pick: Trip.com Works→

• Does an eSIM Work in China, and Does It Bypass the Great Firewall?

  Yes. International roaming eSIMs connect to China Unicom, China Mobile, or China Telecom towers but tunnel traffic through Singapore or Hong Kong, so Google, Gmail, WhatsApp, and Instagram work immediately—provided you install the eSIM before departure. China (Mainland)·eSIM·Top pick: Airalo Works→

• Do Google Maps, Gmail, and WhatsApp Work in China?

  Even with a roaming eSIM or VPN that unblocks Google servers, do NOT use Google Maps for navigation in mainland China: its map data is years out of date and shifted by 100–600 meters due to China's GCJ-02 coordinate system. Use Apple Maps (on iPhone) or Amap (Gaode Maps, now with English UI). China (Mainland)·Maps·Top pick: Airalo Blocked→

• Do Instagram, WhatsApp & TikTok Work in China & Hong Kong? SIM & Roaming Rules

  Instagram, WhatsApp, YouTube, and Gmail are blocked on mainland China Wi-Fi and domestic SIMs, but work automatically when you use a foreign roaming eSIM (Airalo or Nomad) or a dedicated IEPL VPN (UCSS / Proton VPN). International TikTok has an extra catch: TikTok reads your phone's active SIM card Mobile Country Code (MCC) and blocks feeds if it detects a mainland China (+86) or Hong Kong (+852) SIM—even with a VPN. China (Mainland)·VPN·Top pick: Airalo Workaround→

• Does NordVPN (or ExpressVPN) Work in China in 2026?

  No for NordVPN — NordLynx and NordVPN Obfuscated Servers fail to complete handshakes on almost all Mainland Chinese hotel Wi-Fi and domestic mobile networks in 2026. ExpressVPN connects intermittently via Lightway TCP but drops during peak evenings. For guaranteed day-one access to Google, WhatsApp, and ChatGPT, install a Singapore-routed travel eSIM (Airalo or Yesim) for mobile data and an IEPL Shadowsocks provider (UCSS) for hotel Wi-Fi before departure. China (Mainland)·VPN·Top pick: Airalo Blocked→

• Which VPNs Actually Work in China in 2026?

  Do not rely on a single consumer VPN in mainland China. Standard WireGuard and OpenVPN protocols are blocked within minutes; use a roaming eSIM as your primary bypass and keep an obfuscated VPN (Proton VPN Stealth or ExpressVPN Lightway) installed before departure for hotel Wi-Fi. China (Mainland)·VPN·Top pick: UCSS (UnderCurrentSS) Workaround→

• Does WeChat Pay Work with Foreign Credit Cards in China?

  Yes, once you complete passport verification inside WeChat. While Alipay is more forgiving for metro turnstiles and English mini-programs, you still need WeChat Pay because many Chinese cafes and restaurants use WeChat Mini Program table QR codes for ordering. China (Mainland)·Payments·Top pick: Wise Conditional→

• Europe Regional eSIM Guide: Do EU Plans Work in the UK, Switzerland & Turkey?

  If your European itinerary crosses into Switzerland, the United Kingdom, Norway, or Turkey, buy a multi-country regional eSIM (Airalo Eurolink, Saily Europe, Maya Europe, or SimOptions Orange Holiday) rather than a single-country EU SIM. Because Switzerland is outside the EU/EEA roaming zone, domestic EU carrier SIMs frequently charge €3–€10/MB the moment your train crosses the Swiss border. Europe (EU, UK & Switzerland)·eSIM·Top pick: Saily Works→

Head-to-Head Comparisons

Side-by-side carrier partners, throttling thresholds and FX fees.

View all →

• Airalo or Holafly eSIM Not Working? 5-Minute Landing Fix (2026)

  Over 85% of 'Airalo eSIM not working' or 'Holafly eSIM connected but no internet' failures right after landing come from three phone settings — Data Roaming left OFF on the travel eSIM line, Cellular Data still pointed at your home SIM, or a blank APN field — NOT a dead eSIM. Walk through the 5 checks below BEFORE deleting the eSIM (deleting an installed eSIM permanently burns the QR code). If local tower congestion or carrier provisioning is genuinely down, install a secondary backup eSIM on airport Wi-Fi in 2 minutes. Head-to-Head·eSIM·Top pick: Airalo Conditional→

• Airalo vs. Holafly vs. Saily (2026): Data Caps, Fair-Use Throttling & Hotspot Rules

  Pick Airalo or Nomad when you want unthrottled fixed-GB data and unrestricted laptop hotspot tethering; pick Saily when you want a single reusable eSIM profile across 190+ countries; pick Holafly when you want day-based unlimited data on a single phone without counting gigabytes. Head-to-Head·eSIM·Top pick: Airalo Works→

• Airalo vs. Nomad eSIM (2026): Asia Routing, Hotspot & Pricing

  Both Airalo and Nomad are reliable, unthrottled fixed-GB travel eSIMs with 100% hotspot tethering and competitive $4–$4.50 entry pricing. Pick Airalo if you are visiting Mainland China and need ChatGPT/Claude to work natively (Singapore exit IP vs Hong Kong exit), crossing multiple regions, or stacking 5%–10% Airmoney cashback across repeat trips. Pick Nomad when its frequent 10 GB–20 GB Asia-Pacific flash promos undercut standard rates or when you specifically want KDDI + IIJ dual-network switching in Japan. Head-to-Head·eSIM·Top pick: Airalo Works→

• Airalo vs. Saily (2026): Is Saily Legit & Which eSIM Wins?

  Both are legitimate, unthrottled fixed-GB travel eSIMs with 100% hotspot sharing — and yes, Saily is built by Nord Security (the team behind NordVPN). Pick Saily if you fly abroad several times a year and want one install-once eSIM profile with $3.99+ starter plans and ad/tracker blocking. Pick Airalo if you are visiting Mainland China, crossing multiple borders on one regional pack (Asialink/Eurolink), or want deeper dual-carrier fallback. Head-to-Head·eSIM·Top pick: Airalo Works→

• Best Asia Regional eSIM (2026): Airalo Asialink vs. Nomad APAC vs. Yesim & Drimsim

  If you are visiting 3 or more Asian countries on one trip (for example, Tokyo → Seoul → Hong Kong → Bangkok), a regional Asia eSIM (Airalo Asialink, Nomad APAC, Saily Asia, or Yesim) saves you from installing separate eSIMs and wasting leftover gigabytes in each country. Better yet, Airalo Asialink routes mainland China and Hong Kong traffic through Singapore—meaning ChatGPT, Google, and WhatsApp stay working across every border. Head-to-Head·eSIM·Top pick: Airalo Works→

• China Travel eSIM vs. VPN vs. IEPL Lines (2026): What Actually Bypasses the GFW?

  For a 1–3 week trip, a Singapore-routed roaming eSIM (Airalo or Nomad) is the most reliable primary bypass—it works the second your plane touches down with zero GFW cat-and-mouse dropouts. For hotel Wi-Fi and laptop work, pair your eSIM with either a dedicated IEPL leased-line service (UCSS) for rock-solid speeds or an obfuscated consumer VPN (Proton VPN Stealth / ExpressVPN) installed before departure. Head-to-Head·VPN·Top pick: Airalo Workaround→

• Holafly vs. Saily (2026): Unlimited Day Passes vs. Fixed-GB eSIM

  Holafly and Saily solve completely different travel habits. Pick Saily (built by Nord Security) or Airalo if you tether a laptop, share hotspot with a partner, or use 3 GB–20 GB across a 1–3 week trip: you pay roughly half as much and get 100% unthrottled 4G/5G hotspot speed. Pick Holafly only if you stream maps, Reels, and social feeds heavily on a single phone every day and never want to look at a gigabyte meter. Head-to-Head·eSIM·Top pick: Saily Works→

• Is Airalo Legit and Worth It in 2026? Speeds, Hotspot & Catch

  Yes — Airalo is legitimate, safe, and worth it for 1-to-3-week international trips. Founded in 2019 and used by over 10 million travelers across 200+ destinations, Airalo gives you unthrottled fixed-GB data, 100% personal hotspot tethering, and instant landing connectivity without airport SIM queues. Its main downsides are data-only plans on most country packs (no local SMS/voice number) and per-country eSIM profile installation. Head-to-Head·eSIM·Top pick: Airalo Works→

• Is Holafly Legit & Truly Unlimited? Throttle & Hotspot Limits

  Holafly is a legitimate travel eSIM company (not a scam) with responsive 24/7 support and a generous 6-month refund policy on unused plans. However, its 'unlimited' data has two strict catches: partner carriers apply Fair Usage Policy (FUP) speed throttling down to 256 kbps–1 Mbps after heavy single-day usage (~2–4 GB/day), and personal hotspot sharing is capped at 500 MB to 1 GB/day. Remote workers and hotspot users get faster, unthrottled data for 40%–60% less on Airalo or Yesim. Head-to-Head·eSIM·Top pick: Airalo Conditional→

• Ubigi vs. Airalo vs. Nomad for Japan (2026): NTT Docomo 5G, Latency & Hotspot Test

  Pick Ubigi if you want true 5G on NTT Docomo and KDDI with a local Japanese IP exit (~20–35ms ping) so pages load instantaneously; pick Nomad if you want the best value 10 GB–50 GB fixed data bundles with dual-carrier switching; pick Airalo (Moshi Moshi) if you already use the Airalo app and want reliable SoftBank/KDDI 4G/5G coverage with simple top-ups. Head-to-Head·eSIM·Top pick: Ubigi Works→

• Wise vs. Revolut for International Travel (2026): Weekend FX Fees, Alipay & ATM Limits

  Carry both if possible—use Wise as your primary card so you never get hit by Revolut's 1% weekend exchange rate surcharge on Friday–Sunday restaurant bills, and keep Revolut in your wallet for a second monthly free ATM withdrawal allowance and disposable virtual cards. Head-to-Head·Payments·Top pick: Wise Works→

Tested eSIM, VPN & Card Providers

Transparent starting prices and caveats. Outbound /go/ links may earn a commission.

All 27 providers →

Airalo

$4.50 / 1 GB (7 days)

esim

Fixed-data travel eSIM marketplace covering 200+ destinations; mainland China Chinacom and Asialink packs route via Singapore or Hong Kong, bypassing the Great Firewall without a separate VPN.

Holafly

$6.90 / 1 day unlimited

esim

Day-based unlimited travel eSIMs with built-in roaming tunnel for China and Asia; convenient for single-device travelers, though carrier fair-use policies throttle heavy sustained video or hotspot use.

Saily

$3.99 / 1 GB (7 days)

esim

Travel eSIM service built by Nord Security using a single installable eSIM profile for all trips, with optional virtual location routing and ad-blocking features.

Nomad eSIM

$4.00 / 1 GB (7 days)

esim

Strong Asia-Pacific eSIM provider partnering with dual local networks in Japan (IIJ/KDDI), China (China Unicom/Telecom via HK exit), and Southeast Asia, with unrestricted hotspot sharing on fixed-GB plans.

Yesim

$8.40 / 3 GB (7 days)

esim

Swiss-based travel eSIM with global pay-as-you-go balance, fixed data bundles, and virtual phone numbers for OTP verification.

Drimsim

€10 eSIM activation + pay-per-MB data

esim

Universal pay-as-you-go travel eSIM and SIM card that bills per megabyte instead of fixed-day bundles, with automatic balance top-up and no package expiration across multi-country trips.

aloSIM

$4.50 / 1 GB (7 days)

esim

Prepaid data eSIM provider that pairs local carrier data packages with optional Hushed voice/SMS numbers for travelers who need both data and calls.

Maya Mobile

$5.00 / 3 GB (30 days)

esim

Travel eSIM provider focused on 30-day validity windows and transparent hotspot rules across Europe, Asia, and the Americas.

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