Truly unlimited — your data never stops
Deciding between Saily and Airalo? 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.
4.7564 traveller reviews
Rated excellentby our travellers
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.
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.
The same three lengths in all 136 destinations.
Airalo: No unlimited plan for exactly 14 days in Japan, 14 days in Europe.
Full refund if it will not install or never connects.
Saily: May be considered for quality issues caused by Saily.
Airalo: Replacement or refund only for failures caused by Airalo that it cannot fix within 10 days.
Unused days refunded within 30 days of purchase.
Saily: No refund guarantee once activated.
Airalo: No refund once the eSIM is activated or used.
24/7 chat on the website, no app or account.
Saily: Live chat only inside the Saily app.
From each brand’s own website, help pages and terms, checked 3 October 2026.
| Feature | SimbaSIM | Saily | Airalo |
|---|---|---|---|
| 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 | NoYou can buy on the website, but installation needs the Saily app. | Yes |
| 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 | NoNo unlimited plan for exactly 14 days in Japan, 14 days in Europe. |
| Refund if it never connects, even after installing | Yes | PartlyMay be considered for quality issues caused by Saily. | PartlyReplacement or refund only for failures caused by Airalo that it cannot fix within 10 days. |
| Unused days refunded | Yes | NoNo refund guarantee once activated. | NoNo refund once the eSIM is activated or used. |
| 24/7 chat without their app | Yes | NoLive chat only inside the Saily app. | Yes |
| Boxes ticked | 8 of 8 | 3 of 8 | 4 of 8 |
Best for travellers happy to do everything in an app who want a highly rated, reusable eSIM.
Full refund within 30 days if the eSIM was never installed or activated. Once activated, a refund is not guaranteed.
Best for travellers who know roughly how much data they need and want the cheapest small pack, from the biggest catalogue.
14 days to withdraw, ending once the eSIM is activated. Replacement or refund if an activated eSIM fails through Airalo’s error and cannot be fixed within 10 days; refunds may be paid as Airmoney credit.
Saily is ahead of Airalo on exact 3, 7 and 14-day plans. Airalo is ahead of Saily on no app or account needed and 24/7 chat without their app. Saily suits travellers happy to do everything in an app who want a highly rated, reusable eSIM. Airalo suits travellers who know roughly how much data they need and want the cheapest small pack, from the biggest catalogue. If you want every box ticked — truly unlimited data, no app, a refund if it never connects — SimbaSIM is the better pick than either.
You can buy on the website, but installation needs the Saily app. Airalo can be used without its app. SimbaSIM needs no app and no account: you buy on the website and your eSIM is delivered by email in 1 minute.
Saily: Full refund within 30 days if the eSIM was never installed or activated. Once activated, a refund is not guaranteed. Airalo: 14 days to withdraw, ending once the eSIM is activated. Replacement or refund if an activated eSIM fails through Airalo’s error and cannot be fixed within 10 days; refunds may be paid as Airmoney 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.
SimbaSIM. Every plan is truly unlimited data, and it gives you what neither Saily nor Airalo 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.
Saily and Airalo are trademarks of their owners. SimbaSIM is not affiliated with or endorsed by either. Details about Saily and Airalo were taken from their own websites and terms on 3 October 2026 and may since have changed.
