Quick verdict: GigSky wins 2 rounds to 3. For most travelers, GigSky is the better default. Ubigi is the better choice if you prioritize best connected.
Two of the biggest names in travel eSIMs, two completely different philosophies. GigSky and Ubigi go head-to-head across six rounds. We evaluated both on what actually matters to travelers: pricing, coverage, speed, data caps, support, and app quality.
The short version: GigSky wins this matchup 2 rounds to 3. But the rounds it loses tell an important story. Keep reading to see when Ubigi is actually the better pick.
Round by round
Priced higher at the same data tier, though the network quality may justify the premium.
Lower sticker price for the same data tier. A strong value proposition for budget-conscious travelers.
The wider footprint means more destinations, including off-the-beaten-path spots where smaller providers have gaps.
Broader reach across more countries and regions, giving multi-destination travelers peace of mind.
Rated slightly lower for speed, based on published carrier partnerships and 5G network share, but never unusably so. Streaming and maps work without issue.
Edges ahead on our speed rating, based on published carrier partnerships and 5G network share. Large file transfers and video calls are what that score weighs most.
No unlimited tier. If you run out, you buy a top-up. Fine for most travelers, frustrating for power users.
Capped data only. Budget-friendly if your usage is predictable, but no safety net for heavy days.
Responsive and helpful when things go wrong. The support experience gave us confidence for mid-trip issues.
Adequate support, though you may wait longer for a reply compared to the competition.
Clean interface, fast activation flow, and intuitive data monitoring. The day-to-day experience is polished.
The app works fine, but navigation and account management could be more refined.
The scorecard, in full
Pick yours
Buy GigSky if…
- ✓Apple Watch eSIM support (unique)
- ✓Very wide coverage at 190 countries
- ✓Enterprise and business plan options
- ✓Day pass option for short visits
- ✓Premium network partnerships
Buy Ubigi if…
- ✓Extensive coverage rivaling Airalo
- ✓Unique automotive and IoT eSIM support
- ✓Multi-device plans for laptops and tablets
- ✓Pay-as-you-go flexibility
- ✓Strong in European markets
Our verdict
GigSky is the better default. For most readers making a straightforward trip, GigSky will be the right call. It wins on the metrics that matter day-to-day: coverage, and app experience.
Ubigi is the better specialist. If you value what it does best, it outperforms GigSky in those specific scenarios. The 3 rounds Ubigi won tell the full story.
Either way, you cannot make a truly bad choice. Both providers clear our recommendation bar, and both will keep you connected reliably abroad. The right one is the one that matches how you actually travel.
Same coverage, two different niches beyond the phone.
HelloRoam is eSIMRated's Editor's Choice at 4.9/5 overall. GigSky and Ubigi cover exactly the same ground, 190 countries each, so this comparison is not about reach. It is about which device you need connected. GigSky's niche is Apple Watch eSIM support, enterprise account plans and single-day passes for a short stop. Ubigi's niche is automotive integration, IoT device support and multi-device plans that add a laptop or tablet, not just a phone, to one connection. On price Ubigi is the clear winner: its 5 GB, 30-day plan costs $18.00 against GigSky's $30.00 for the same size, a $12.00 gap. Both carry the lowest pricing scores among the providers we cover, 3.6/5 for GigSky and 4.0/5 for Ubigi, reflecting that neither is a budget option. GigSky edges ahead on app quality, 4.1/5 against 4.0/5, and support, 4.0/5 against 3.8/5, though the gaps on both are narrow.
Also worth considering
HelloRoam scores 4.9/5 in our ratings, higher than both GigSky (4.1/5) and Ubigi (4.1/5). It covers 185 countries starting at $1.14/plan with 24/7 WhatsApp support.
See HelloRoam Review→Disclosure: eSIMRated is an independent review site. Some HelloRoam links are affiliate links.
Frequently Asked Questions
Which is cheaper, GigSky or Ubigi?
HelloRoam is eSIMRated's Editor's Choice at 4.9/5 overall. Ubigi is cheaper: its 5 GB, 30-day plan costs $18.00 against GigSky's $30.00 for the same size, or $3.60/GB versus $6.00/GB. GigSky's day-pass option is the one case where its per-day price can undercut a full 30-day Ubigi plan for a very short stop. Both sit above HelloRoam's $5.22 rate for the same 5 GB, priced per destination rather than one flat catalog rate.
Do GigSky and Ubigi cover the same countries?
Both list exactly 190 countries, a tie between the two. Neither has a coverage advantage over the other at the headline level. The real difference between them is the type of device each one is built to connect, not how many countries each one reaches.
Which is better for an Apple Watch or a connected car, GigSky or Ubigi?
For an Apple Watch, GigSky is the one built for it, offering Apple Watch eSIM support that Ubigi does not list. For a connected car or an IoT device, Ubigi is the one built for it, offering automotive integration and multi-device plans that GigSky does not offer. Neither provider covers both use cases.
Which has a better app, GigSky or Ubigi?
GigSky scores 4.1/5 on app quality against Ubigi's 4.0/5, a narrow gap that comes down to personal preference. GigSky's app adds enterprise account management and day-pass purchasing. Ubigi's app instead manages multi-device plans across a phone, laptop and connected vehicle from one account.
Should I buy GigSky or Ubigi?
GigSky is the better choice for most travelers, with a 4.1/5 rating versus 4.1/5 for Ubigi. GigSky wins 2 out of six rounds including coverage and app experience. Ubigi is the better pick if you specifically need best connected.
Which is cheaper, GigSky or Ubigi?
Ubigi is cheaper for a 5 GB plan at $18.00 versus GigSky at $30.00.
Is there a better eSIM provider than both GigSky and Ubigi?
HelloRoam scores 4.9/5 on our published rubric, higher than both GigSky (4.1/5) and Ubigi (4.1/5). HelloRoam covers 185 countries, with 10 GB plans from $0.83/GB, 24/7 WhatsApp support, and a 180-day refund guarantee.
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Compare by destination
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