Deciding between GigSky and Saily? Here is how they compare, point by point — and why SimbaSIM is the better pick than either: truly unlimited data that never stops, plus what neither of them gives you: refund if it never connects, even after installing; and unused days refunded.
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Full refund if it never connects
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Why SimbaSIM beats both GigSky and Saily
Truly unlimited — your data never stops
Every plan is unlimited data for its whole length, in all 136 destinations. No data packs to size, no top-ups to remember, no overage charges.
No app or account needed
Bought on the website; the QR code arrives by email. No app, no account.
Saily: You can buy on the website, but installation needs the Saily app.
Refund if it never connects, even after installing
Full refund if it will not install or never connects.
GigSky: The terms rule out refunds for unused plans; requests are case by case.
Saily: May be considered for quality issues caused by Saily.
Unused days refunded
Unused days refunded within 30 days of purchase.
GigSky: No refund for unused data.
Saily: No refund guarantee once activated.
24/7 chat without their app
24/7 chat on the website, no app or account.
Saily: Live chat only inside the Saily app.
GigSky vs Saily vs SimbaSIM, side by side
From each brand’s own website, help pages and terms, checked 3 October 2026.
Feature
SimbaSIM
GigSky
Saily
Every plan is unlimited data
Yes
NoAlso sells fixed-data packs you have to size.
NoAlso sells fixed-data packs you have to size.
No app or account needed
Yes
Yes
NoYou can buy on the website, but installation needs the Saily app.
Days start when you land
Yes
Yes
Yes
Add days to the same eSIM
Yes
Yes
Yes
Exact 3, 7 and 14-day plans
Yes
Yes
Yes
Refund if it never connects, even after installing
Yes
NoThe terms rule out refunds for unused plans; requests are case by case.
PartlyMay be considered for quality issues caused by Saily.
Unused days refunded
Yes
NoNo refund for unused data.
NoNo refund guarantee once activated.
24/7 chat without their app
Yes
Yes
NoLive chat only inside the Saily app.
Boxes ticked
8 of 8
5 of 8
3 of 8
GigSky or Saily: which is better?
GigSky
Best for cruise passengers and multi-country travellers who want a long-running brand with flexible plan lengths.
Ahead of Saily on
No app or account needed
24/7 chat without their app
Before you buy
The terms rule out refunds for unused plans; newer requests are case by case.
The plan starts on any covered network and cannot be paused — easy to start early on a cruise.
Some reviewers report slow or patchy coverage in places.
Refunds
The terms say unused data and plans are not refunded. A newer in-app request flow reviews cases individually; refunds may come as credit.
Saily
Best for travellers happy to do everything in an app who want a highly rated, reusable eSIM.
Before you buy
Installation and live chat both need the Saily app.
Saily warns its app and site may not load in Turkey.
No refund guarantee once the plan is activated.
Refunds
Full refund within 30 days if the eSIM was never installed or activated. Once activated, a refund is not guaranteed.
Or skip the trade-off: SimbaSIM
Truly unlimited data on every plan: 3, 7 or 14 days in 136 destinations
No app, no account — your eSIM is delivered in 1 minute
Days start when you land, and more days go onto the same eSIM
Full refund if it never connects; unused days refunded within 30 days
GigSky is ahead of Saily on no app or account needed and 24/7 chat without their app. GigSky suits cruise passengers and multi-country travellers who want a long-running brand with flexible plan lengths. Saily suits travellers happy to do everything in an app who want a highly rated, reusable eSIM. If you want every box ticked — truly unlimited data, no app, a refund if it never connects — SimbaSIM is the better pick than either.
Do GigSky and Saily need an app?+
GigSky can be used without its app. You can buy on the website, but installation needs the Saily app. SimbaSIM needs no app and no account: you buy on the website and your eSIM is delivered by email in 1 minute.
What are GigSky’s and Saily’s refund policies?+
GigSky: The terms say unused data and plans are not refunded. A newer in-app request flow reviews cases individually; refunds may come as credit. Saily: Full refund within 30 days if the eSIM was never installed or activated. Once activated, a refund is not guaranteed. SimbaSIM refunds in full if the eSIM will not install or never connects — even after you have installed it — and refunds unused days within 30 days of purchase.
Is there a better alternative to GigSky and Saily?+
SimbaSIM. Every plan is truly unlimited data, and it gives you what neither GigSky nor Saily does: every plan is unlimited data; refund if it never connects, even after installing; and unused days refunded. Plans start at $12.90 for 3 days in 136 destinations.
GigSky and Saily are trademarks of their owners. SimbaSIM is not affiliated with or endorsed by either. Details about GigSky and Saily were taken from their own websites and terms on 3 October 2026 and may since have changed.
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