GigSky vs Saily (2026): Which Travel eSIM Is Better?

Saily is the better default for most travellers in 2026, with a lower entry price from around USD 1.99, a much stronger Trustpilot record and more generous throttling on its unlimited plans, while GigSky earns its place for cruise passengers, in-flight connectivity and travellers who want very short one-day plans.

These two sit on opposite ends of the travel eSIM spectrum. GigSky is one of the older names in the category, with deep maritime and aviation partnerships and a catalogue that stretches to more than 1,100 plans. Saily is one of the newest, launched by Nord Security — the company behind NordVPN — and built around a cleaner app, aggressive pricing and bundled privacy tools. Both cover roughly 200 countries, so the decision comes down to where you are going, how you use data, and how much the extras matter.

GigSky Overview

GigSky offers around 1,100 plans across 193 countries and regions, starting from approximately USD 2.99 and running up past USD 200 for the largest bundles. Its distinguishing feature is coverage where terrestrial eSIMs usually stop: more than 400 cruise ships and in-flight connectivity on participating carriers. Plan validity is unusually flexible, ranging from a single day to 180 days, which makes it one of the few providers worth considering for a 24-hour layover.

Reasons to choose GigSky:

• Cruise ship and in-flight plans that most travel eSIMs simply do not offer
• Very short plan options starting at one day, useful for layovers and single-day border crossings
• Competitive per-gigabyte pricing on some routes — its Japan 5 GB / 30 days plan comes in around USD 10.29, slightly under Saily''s equivalent
• A long operating history and established carrier relationships, including a track record with device-maker integrations
• Top-up and renewal options so you can extend without reinstalling
• Solid Trustpilot standing at roughly 4.3 out of 5 across more than 3,000 reviews

Reasons to avoid GigSky:

• Higher entry price than Saily, from around USD 2.99 versus USD 1.99
• Its unlimited plans throttle harder: the Japan 7-day unlimited plan at approximately USD 24.49 delivers about 3.5 GB per day at high speed before dropping to around 500 Kbps
• Maximum plan validity of 180 days, shorter than Saily''s 365-day options
• Hotspot and tethering terms are not clearly published for every plan, so you have to verify before buying
• Fewer reviews overall, which makes the support picture harder to read
• No bundled security or privacy features

Saily Overview

Saily is Nord Security''s travel eSIM, covering 200+ countries with plans from approximately USD 1.99. It leans on the parent company''s app expertise: the interface is clean, activation is fast, and plans bundle extras such as ad blocking and web protection that are unusual in this category. Validity runs from 5 to 365 days, and hotspot use is permitted on standard plans.

Reasons to choose Saily:

• The lowest entry price of the two, from around USD 1.99
• An outstanding review record: roughly 4.7 out of 5 on Trustpilot across more than 25,000 reviews, a far larger sample than GigSky''s
• More generous unlimited terms: its Japan 7-day unlimited plan at approximately USD 26.99 allows about 5 GB per day at full speed before easing to roughly 1 Mbps — twice GigSky''s daily allowance and twice the throttled floor
• Hotspot and tethering permitted on standard plans
• Bundled ad blocking and web protection from the Nord Security stack
• Long-validity options up to 365 days for slow, multi-month trips
• Backed by an established security company rather than a thin reseller

Reasons to avoid Saily:

• No cruise ship or in-flight coverage, which rules it out for maritime travel
• Minimum plan validity of 5 days, so there is no true one-day option for a layover
• Data-only, with no local number, as with almost all travel eSIMs
• Support is app and email based rather than by phone
• On some specific routes GigSky''s per-gigabyte price is marginally lower
• Younger brand with a shorter operating history

Head-to-head: GigSky vs Saily

Feature	GigSky	Saily
Entry price	From ~USD 2.99	From ~USD 1.99
Destinations	193+ countries and regions	200+ countries
Unlimited data	Yes — ~3.5 GB/day, then ~500 Kbps	Yes — ~5 GB/day, then ~1 Mbps
Plan validity	1 to 180 days	5 to 365 days
Hotspot / tethering	Supported, terms vary by plan	Supported on standard plans
5G	Where the local partner network provides it	Where the local partner network provides it
Support	Email and help centre	In-app and email, 24/7
Languages	English-led	Multiple, English-led
App	iOS and Android	iOS and Android, security features bundled
Top-ups	Yes, top-up and renewal	Yes
Cruise and in-flight	Yes, 400+ ships and participating airlines	No
Trustpilot	~4.3 / 5 (3,100+ reviews)	~4.7 / 5 (25,000+ reviews)

Coverage

Both claim roughly the same land footprint — GigSky lists 193 countries and regions, Saily lists 200+ — and in day-to-day terms neither will leave you stranded in a mainstream destination. Both ride local partner networks, so signal quality in Lisbon, Bangkok or Mexico City depends on the host operator rather than on the eSIM brand.

The real divergence is off land. GigSky''s maritime and aviation partnerships give it a category that Saily does not compete in at all. If any part of your trip involves a cruise or you want connectivity on a participating flight, the comparison ends there — GigSky is the only one of the two that can serve you.

In the other direction, Saily''s slightly broader country list and its 365-day validity make it the stronger choice for slow travel: a six-month Latin America route or a year of intermittent trips fits its plan structure better than GigSky''s 180-day ceiling.

Neither provider guarantees 5G. Roaming profiles are generally allocated LTE by host networks, and both brands inherit whatever the local operator provides. Treat any 5G you get as a bonus.

Pricing and value

Saily is cheaper at the entry point — around USD 1.99 against USD 2.99 — but entry prices are a weak signal, because they usually buy a tiny amount of data. The more useful comparison is mid-size bundles on a real route.

On the commonly quoted Japan 5 GB / 30 days plan, GigSky comes in around USD 10.29 and Saily around USD 10.99, so GigSky is fractionally cheaper per gigabyte. That pattern is not universal; pricing varies destination by destination and both run promotions, so the honest advice is to check the live price for your specific country rather than assume either brand is always cheaper.

Where Saily pulls ahead on value is the unlimited tier, discussed below, and the bundled extras. Ad blocking and web protection are not decisive features, but they are real value that GigSky does not match at the same price.

Where GigSky pulls ahead is at the extremes of duration. A one-day plan for a long layover is something Saily structurally cannot sell you, and buying a 5-day minimum for a 14-hour stopover is simply worse value.

Unlimited data

Both sell unlimited plans, and the difference between them is the single most concrete gap in this comparison.

Using Japan''s 7-day unlimited plan as the reference: GigSky charges approximately USD 24.49 and provides around 3.5 GB per day at high speed before reducing to roughly 500 Kbps. Saily charges approximately USD 26.99 for around 5 GB per day before easing to roughly 1 Mbps.

So Saily costs a little over USD 2 more and gives you about 43% more full-speed data per day, plus a throttled floor that is twice as fast. At 500 Kbps you can message and load light pages; at 1 Mbps you can still hold a low-quality video call and stream audio. For anyone who actually expects to hit the daily cap, Saily is better value despite the higher sticker price.

It is worth being clear about what unlimited means here: neither provider gives you uncapped full-speed data. Both apply a daily high-speed allowance and then reduce speeds. If you want genuinely unlimited data without a daily throttle, you are looking at a different class of provider — HOLASIM, for instance, sells unlimited plans across 200+ destinations with tethering permitted and an eSIM that never expires, though as with every unlimited plan it costs more than an equivalent fixed-data bundle.

Support and user experience

Saily has the clearer advantage on reputation. A 4.7 Trustpilot average across more than 25,000 reviews is a much more reliable signal than a 4.3 across 3,100, both because of the higher score and because the sample is eight times larger. Nord Security''s app-building experience shows: installation is among the smoothest in the category and plan management is straightforward.

GigSky''s support is adequate rather than notable. The help centre is reasonable and the company has been doing this long enough to handle standard problems, but it does not offer the kind of always-on multilingual human support that travellers increasingly expect when something fails at an airport.

Neither offers phone support, which is the common weakness across the travel eSIM category. If 24/7 human support in your own language is a priority rather than a nicety, that is a reason to look beyond both of these brands.

Which should you choose?

• Backpackers and long-term travellers: Saily. The 365-day validity, the lower prices and the better unlimited terms all fit long, slow trips. GigSky''s 180-day ceiling becomes an active annoyance.
• Business travellers: GigSky if your itinerary includes flights with participating in-flight connectivity or very short one-day stops; Saily otherwise, for the cleaner app and better reliability record.
• Families: Saily. Lower per-plan pricing multiplies well across four phones, hotspot is permitted on standard plans, and the bundled web protection is a mild plus for kids'' devices.
• Digital nomads: Saily, on the unlimited tier, because 5 GB per day before a 1 Mbps floor is workable for remote work in a way that 3.5 GB before 500 Kbps is not. If you tether heavily and want no daily cap at all, a true unlimited provider such as HOLASIM is worth pricing alongside both.
• Cruise passengers: GigSky, without hesitation. Saily does not serve this market, so the comparison does not apply.

FAQ

Is Saily cheaper than GigSky?

At the entry point yes — around USD 1.99 against USD 2.99. On mid-size bundles it varies by destination, and GigSky is marginally cheaper on some routes such as Japan 5 GB / 30 days. Check the live price for your specific country before buying.

Which has better unlimited data?

Saily. Its unlimited plans typically allow around 5 GB per day at full speed before easing to roughly 1 Mbps, against GigSky''s roughly 3.5 GB per day before dropping to around 500 Kbps. Saily costs a little more and delivers materially more.

Can I use GigSky or Saily as a hotspot?

Saily permits hotspot and tethering on its standard plans. GigSky supports hotspot sharing but its terms vary by plan and are not consistently published, so verify on the specific plan page before purchase.

Does either work on a cruise ship?

Only GigSky. It covers more than 400 cruise ships plus participating airlines. Saily is a land-only provider, which is the clearest single reason to choose GigSky over it.

Which is more reliable?

Review data favours Saily: roughly 4.7 out of 5 on Trustpilot across more than 25,000 reviews, against GigSky''s roughly 4.3 across 3,100. Both connect through local partner networks, so raw performance in any one city is broadly comparable.

Do either of them give me a phone number?

No. Both are data-only, like nearly every travel eSIM. Keep your home line active for calls and SMS with data roaming switched off, and use the eSIM as your data line.

The verdict: for the great majority of trips, Saily is the stronger buy — cheaper to start, better reviewed, more generous when you hit the unlimited cap, and valid for up to a year. GigSky remains the right answer in two specific situations: when your journey crosses water or sky, and when you need a plan measured in hours rather than weeks. If neither throttled-unlimited model appeals and you want a profile that covers 200+ destinations and never expires, it is worth comparing both against a true unlimited provider before you decide.