Honest comparison · Updated May 2026

GB eSIM vs Holafly

Holafly is the Spanish unlimited-data leader, with Fair Usage Policy (90GB/week) and premium pricing (~US$27 for Japan 5 days). GB eSIM offers similar unlimited plans at 50%+ cheaper for Asia destinations.

4.5/5 · 712+ reviews

Reviewed by Stone Ip · Last updated 2026-05-21

Side-by-side comparison

GB eSIM
Holafly
Plan structureDaily unlimited (per-country plans)Daily unlimited (Fair Use 90GB/week)
Japan 5-day priceHK$95 (~US$12.2)US$27 (~HK$210)
Europe 15-day priceHK$88 (5GB)US$59 (unlimited)
Countries covered15 destinations (Asia-focused)200+ countries
Trustpilot rating4.5/5 (712+ via altsimcard.shop)4.6/5 (92,718+)
Backup 1GB/monthNot offeredYes in 70+ countries
Chinese language siteTraditional + Simplified ChineseNo Chinese version

Which one for you?

It's not always ALT — we honestly list when others are better for you.

Choose GB eSIM if...

  • Want unlimited data without paying the premium price
  • Travelling to popular Asia destinations
  • Need Chinese-language site + support
  • Want to pay in HKD / TWD / CNY

Choose Holafly if...

  • Travelling to a country GB eSIM doesn't cover
  • Value Holafly's huge travel-content ecosystem
  • Need backup data standby in other countries
  • Value Trustpilot review volume over absolute price

FAQ

Is GB eSIM cheaper than Holafly?
Depends on destination. For popular Asia destinations (Japan, Korea, Taiwan, China, SEA), GB eSIM is typically 30-50% cheaper. Holafly covers more countries globally.
Are both eSIMs? Do I need a physical card?
Both are eSIMs — no physical card needed. Scan QR code to activate. All flagship phones since 2018 support eSIM.
Can I use both at the same time?
Yes — modern phones support multiple active eSIMs simultaneously. You can run one of each in parallel.

Try GB eSIM where it wins

Asia destinations from HK$20/day with daily unlimited data.

Browse destinations

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