Compare your starting points
Yesim
CHINA- 1 GB, 30 days
- 5 GB, 30 days: $13.20
- Unlimited, 5 days: $21.60
- Speed may be reduced under the network’s fair-use policy.
Airalo
CHINA- 1 GB, 3 days
- 5 GB, 30 days: $14.50
- Unlimited, 5 days: $19.00
- Throttled to 1 Mbps after 3 GB per day.
Saily
CHINA- 1 GB, 7 days
- 5 GB, 30 days: $15.99
- Unlimited, 5 days: $22.99
- 5 GB per day at full speed, then up to 1 Mbps.
Check eSIM compatibility, carrier unlock, coverage and when validity starts. Buy and install while you have reliable Wi-Fi. Prices in US dollars, from each provider’s China page on the date shown. They change often.
Choose by how you actually travel
| Your situation | What to look for | Before you commit |
|---|---|---|
| A short city break | A fixed-data package can make spending easier to understand. | Match validity to your arrival date, not the purchase date. |
| A longer trip with video calls | Compare the high-speed allowance and hotspot policy. | Reduced speeds may affect calls before a plan’s data technically runs out. |
| Mainland + Hong Kong | Look for both destinations in the coverage list. | A mainland-only package is not automatically a regional plan. |
| Your phone does not support eSIM | Compare a physical SIM or your carrier’s roaming option. | An eSIM cannot add hardware support to a phone. |
Work out a sensible data allowance
A plan for your kind of trip.
Three small decisions.
A much clearer starting point.
to plan around
1 GB per day + a 20% planning buffer. Downloads, video quality and background apps can change this.
Confirm eSIM support for your exact model and carrier unlock before buying any plan.
This tool does not verify a device or recommend a specific paid package.
Four easy buying mistakes to avoid
Buying on price alone
A low entry price may cover a different number of days or a smaller allowance than you need. Compare total trip cost, including any top-up you expect to buy. Keep screenshots of the actual package terms.
Starting the clock too early
Installation and activation are not always the same event. Read the provider’s activation policy before scanning a code. If validity starts immediately on installation, plan that step close enough to travel.
Assuming data includes a local number
Check calls and SMS separately. A data-only eSIM can supply internet to an app without supplying a Chinese mobile number. That distinction matters when a booking service asks for SMS verification.
Leaving no offline fallback
A coverage map does not guarantee a signal inside every building or along every journey. Keep addresses, reservations and the provider’s support instructions available without data.
What makes an eSIM a good fit?
Start with your phone, then your itinerary. It needs to support eSIM and be unlocked by your mobile carrier. Check the model and region of purchase in the provider’s compatibility list: similar phone names can have different hardware.
Next, match the plan’s validity to your arrival and departure dates. A small package can suit a light user who saves maps offline; regular video calls and hotspot use need a different allowance. Read whether tethering is included and whether the plan covers mainland China alone or also Hong Kong and Macau.
Look at routing, not just coverage
Local network coverage tells you which carrier supplies the radio signal. Routing describes where the internet traffic exits. They answer different questions. Airalo publishes a help page specifically about overseas access on its China eSIM; read the current terms for your exact package before purchase.
An eSIM does not change an app’s eligibility rules, your account region or its payment requirements. Save anything essential offline too.
Install before departure; activate at the right time
- Confirm compatibility and unlock status.
- Read the activation rule before you scan a QR code. Some packages start on installation; others on first connection.
- Install with reliable Wi-Fi and save the provider’s instructions offline.
- Label the eSIM clearly. At arrival, choose it for mobile data and follow its roaming instructions.
- Check your home SIM’s settings to avoid unintended roaming charges.
Questions before you go
Do I need an eSIM-compatible phone?
Yes, for an eSIM. Confirm support for the exact model and region of purchase, plus carrier unlock. A physical SIM or carrier roaming is a different option.
Does a China eSIM include a Chinese phone number?
Not necessarily. Read the package’s calls and SMS details separately from its data allowance. A data-only plan does not automatically include a local number.
Should I install the eSIM before departure?
Install while reliable Wi-Fi is available, following the provider’s instructions. Read the activation trigger first so you do not start the validity period too early.
More China eSIM comparisons
By provider
Side by side
By trip length
By data allowance
Setup, fixes and Hong Kong
Sources & review notes
- Yesim China plans ↗ · Reviewed
- Airalo China help ↗ · Reviewed
Product prices use their own dates. Provider statements are not independent connection tests. Recheck time-sensitive details before booking.