Quick Answer
Airalo is the best eSIM provider for Asia — broadest country coverage, competitive pricing, reliable activation, and consistent service. The main limitation: data-only (no local phone number) and significantly more expensive per GB than local SIM cards for stays over 2 weeks. Use Airalo for initial arrival data; switch to local SIMs for stays beyond 1–2 weeks.
What Airalo Does Well
Coverage: Airalo offers eSIMs for 200+ countries and regions. Single-country plans and regional plans (Asia, Southeast Asia) available. You can pre-install before departure and activate on landing.
Convenience: No queuing at airport SIM counters. No document requirements (unlike some local SIMs requiring passport/visa registration). Install via QR code in the Airalo app.
Reliability: Activation is generally instant once you enable the eSIM. Customer support via email and chat — response time is typically 1–24 hours.
Use case clarity: Airalo is excellent for:
- Immediate data on arrival while waiting for local SIM activation
- Short country visits (2–7 days) where a local SIM is not worth the effort
- Multi-country travel where carrying multiple physical SIMs is impractical
- Countries where local SIM registration is complex (India's 24-hour wait, for example)
Asia Plans and Pricing
| Country/Region | Plan | Price |
|---|---|---|
| India | 3GB/30 days | ~$9 |
| India | 10GB/30 days | ~$19 |
| Japan | 10GB/30 days | ~$20 |
| Thailand | 10GB/30 days | ~$16 |
| Vietnam | 10GB/30 days | ~$14 |
| Indonesia | 10GB/30 days | ~$14 |
| Georgia | 10GB/30 days | ~$16 |
| Nepal | 3GB/30 days | ~$9 |
| Asia regional | 10GB/30 days | ~$22 |
Where Airalo Falls Short
No local phone number: Airalo eSIMs are data-only. If you need a local number (for two-factor authentication on local services, receiving local calls, bank verification), you need a physical local SIM.
Cost vs local SIMs: For stays over 2 weeks, local SIMs are dramatically cheaper. Thailand example: Airalo 10GB = $16 vs AIS unlimited = $8.30/month. Vietnam example: Airalo 10GB = $14 vs Viettel unlimited = $6/month. The convenience premium is real.
Throttling: Some Airalo plans throttle after high-usage periods — check plan specifications before purchasing.
Phone compatibility: Requires a phone that supports eSIM. Most iPhones from iPhone XS+ and major Android flagships from 2019+ support eSIM. Older or budget Android phones may not.
The Recommended Approach
1. Install Airalo eSIM before departure (plan for your arrival country)
2. Activate on landing — immediate data for navigation, Grab, accommodation check-in
3. Get a local SIM at the airport or first mobile store after settling
4. Keep the Airalo eSIM as emergency backup
For multi-country trips with stays of 2–7 days per country, the Asia regional plan at ~$22 for 10GB is practical — avoids managing multiple local SIMs.
Alternatives to Airalo
Holafly: Similar service, unlimited data plans, slightly higher price. Good for heavy users.
Nomad eSIM: Competitive pricing, good Asia coverage.
Local operator eSIMs: Taiwan Mobile, Chunghwa Telecom, and several other operators now offer eSIMs directly — often cheaper than Airalo for single-country use.
Bottom Line
Airalo is the right tool for arrival data, short visits, and multi-country trips. Not the right tool for single-country stays over 2 weeks — get a local SIM instead.
*Last updated: June 2026*