Should you choose an unlimited data eSIM or a capped plan? This is one of the most important decisions when planning your China trip. This guide compares both options honestly.
What each option means
Unlimited eSIM: No data cap. You can use internet without worrying about running out.
Capped eSIM (limited): Has a fixed amount of data (e.g., 20 GB). When it runs out, no internet until the next plan.
Quick comparison
| Feature | Unlimited | Capped (20GB) |
|---|---|---|
| Price (30 days) | 60-80 USD | 28-35 USD |
| Speed | May be reduced | Constant 4G/5G |
| Peace of mind | Maximum | Moderate |
| Best for | Heavy use | Normal use |
| Works | Works |
Advantages of unlimited eSIM
- No worries: No need to monitor usage
- Great for streaming: Netflix, YouTube, video calls without limits
- Perfect for remote work: Large file uploads
- Long trips: For stays over 30 days
Disadvantages of unlimited eSIM
- Higher price: Usually 2-3 times more expensive
- Speed reduction: Many providers throttle speed after certain usage (fair use)
- Not always truly unlimited: Some have very low speeds after the threshold
Advantages of capped plan (20 GB)
- Competitive price: Significantly cheaper
- Constant speed: 4G/5G without reduction throughout the plan
- Enough for most: 20 GB covers maps, WhatsApp, Instagram and some video
- Transparency: You know exactly what you pay for
How much data you actually need
| Activity | Consumption per hour |
|---|---|
| WhatsApp (text) | 1 MB |
| WhatsApp (call) | 15 MB |
| Google Maps | 5 MB |
| 50 MB | |
| YouTube (SD) | 300 MB |
| Netflix (HD) | 700 MB |
With 20 GB you can use Google Maps all day, WhatsApp constantly, Instagram frequently, and some video. For a 15-day trip, it is more than enough for most tourists.
When to choose unlimited
Choose unlimited if:
- You watch a lot of Netflix or YouTube at the hotel
- You work remotely and need frequent video calls
- You travel for more than 30 days
- You do not want to worry about data usage at all
When to choose capped plan
Choose capped (20 GB) if:
- You use internet for maps, WhatsApp and social media
- Your trip is 7-20 days
- You prefer to save money
- You do not plan to watch much video on mobile data
The fair use trap
Many unlimited eSIM providers apply a fair use policy. This means:
- After daily usage (e.g., 2-3 GB), they reduce speed
- The reduced speed can be so low that Google Maps barely loads
- This limitation is not always clear in the product description
Always read the fine print before buying an unlimited eSIM.
Our honest recommendation
For 90% of tourists, a 20 GB plan is the best choice:
- Enough data for the entire trip
- Constant speed without reduction
- Much lower price
- Transparency about what you pay
For the 10% who need more (remote work, heavy streaming, long trips), unlimited may be worth it, but verify the fair use policy.
FAQ
Can I top up if I run out of data?
Yes. If you choose a capped plan and run out, you can buy an additional plan anytime via WhatsApp.
Is speed reduced with the unlimited plan?
It depends on the provider. Some do reduce speed. Ask us on WhatsApp for exact details of each plan.
Is 20 GB enough for 15 days in China?
For most tourists, yes. Google Maps, WhatsApp and Instagram consume much less than you think. Only video streaming uses significant data.
Conclusion
For most travelers, a capped 20 GB plan offers the best value. Unlimited eSIM is useful for specific cases (remote work, heavy streaming), but watch out for fair use policies.
For our plans, contact us on WhatsApp.