Truly unlimited — your data never stops
SimbaSIM vs GigSky
Thinking about GigSky? SimbaSIM gives you truly unlimited data that never stops, plus what GigSky does not: every plan is unlimited data; refund if it never connects, even after installing; and unused days refunded.
4.7564 traveller reviews
Rated excellentby our travellers
- Full refund if it never connects
- eSIM delivered in 1 minute
- 24/7 support by chat
- Secure checkout with card, Apple Pay or Google Pay
Why travellers choose SimbaSIM over GigSky
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.
Every plan is unlimited data
No data packs to size or top up.
GigSky: Also sells fixed-data packs you have to size.
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.
Unused days refunded
Unused days refunded within 30 days of purchase.
GigSky: No refund for unused data.
Side by side
| Feature | SimbaSIM | GigSky |
|---|---|---|
| Every plan is unlimited data | YesNo data packs to size or top up. | NoAlso sells fixed-data packs you have to size. |
| No app or account needed | YesBought on the website; the QR code arrives by email. No app, no account. | YesBuy in the app or the web app; QR code available for manual install. |
| Days start when you land | YesDays start when you first connect at your destination. | YesStarts when the eSIM first connects in a covered destination; cannot be paused. |
| Add days to the same eSIM | YesA new plan bought with the same email goes onto the eSIM you already have. | YesTop-ups on eligible plans; most active plans cannot be extended. |
| Exact 3, 7 and 14-day plans | YesThe same three lengths in all 136 destinations. | Yes |
| Refund if it never connects, even after installing | YesFull refund if it will not install or never connects. | NoThe terms rule out refunds for unused plans; requests are case by case. |
| Unused days refunded | YesUnused days refunded within 30 days of purchase. | NoNo refund for unused data. |
| 24/7 chat without their app | Yes24/7 chat on the website, no app or account. | Yes24/7 live chat and phone. |
What to know before you buy GigSky
- 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.
The best GigSky alternative
SimbaSIM
- 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
More comparisons
GigSky head-to-heads
Questions about GigSky and SimbaSIM
Is SimbaSIM better than GigSky?
For most travellers, yes. SimbaSIM gives you truly unlimited data that never stops, and beats GigSky on every plan is unlimited data; refund if it never connects, even after installing; unused days refunded.
What is GigSky’s refund policy?
The terms say unused data and plans are not refunded. A newer in-app request flow reviews cases individually; refunds may come as credit. 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.
Do I need an app to use GigSky?
GigSky can be used without its app. SimbaSIM goes further: no app and no account at all — you buy on the website and your eSIM is delivered by email in 1 minute.
What is the best alternative to GigSky?
SimbaSIM. Every plan is unlimited data, there is no app or account, your days start when you land, you can add days to the same eSIM, and you get a full refund if it never connects. Plans start at $12.90 for 3 days in 136 destinations.
GigSky is a trademark of its owner. SimbaSIM is not affiliated with or endorsed by GigSky. Details about GigSky were taken from its own website and terms on 3 October 2026 and may since have changed.
