Truly unlimited — your data never stops

aloSIM vs Saily

Deciding between aloSIM 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: 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 SimbaSIM beats both aloSIM 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.

  • Exact 3, 7 and 14-day plans

    The same three lengths in all 136 destinations.

    aloSIM: No unlimited plan for exactly 14 days in Japan, 14 days in Europe.

  • Refund if it never connects, even after installing

    Full refund if it will not install or never connects.

    Saily: May be considered for quality issues caused by Saily.

  • Unused days refunded

    Unused days refunded within 30 days of purchase.

    aloSIM: Unused portion at the company’s discretion.

    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.

aloSIM vs Saily vs SimbaSIM, side by side

From each brand’s own website, help pages and terms, checked 3 October 2026.

FeatureSimbaSIMaloSIMSaily
Every plan is unlimited dataYesNoAlso sells fixed-data packs you have to size.NoAlso sells fixed-data packs you have to size.
No app or account neededYesYesNoYou can buy on the website, but installation needs the Saily app.
Days start when you landYesYesYes
Add days to the same eSIMYesYesYes
Exact 3, 7 and 14-day plansYesNoNo unlimited plan for exactly 14 days in Japan, 14 days in Europe.Yes
Refund if it never connects, even after installingYesYesPartlyMay be considered for quality issues caused by Saily.
Unused days refundedYesPartlyUnused portion at the company’s discretion.NoNo refund guarantee once activated.
24/7 chat without their appYesYesNoLive chat only inside the Saily app.
Boxes ticked8 of 85 of 83 of 8

aloSIM or Saily: which is better?

aloSIM

Best for budget travellers who would use a free internet phone number and want to top up later.

Ahead of Saily on

  • No app or account needed
  • Refund if it never connects, even after installing
  • 24/7 chat without their app

Before you buy

  • Refunds after activation are at the company’s discretion.
  • Recent reviews report patchy connections in some places.
  • The free number is a separate VoIP number in another app, not a number on the eSIM.

Refunds

30-day guarantee for incompatible phones or failed connections; full refund before activation. After activation, the unused portion at the company’s discretion.

Saily

Best for travellers happy to do everything in an app who want a highly rated, reusable eSIM.

Ahead of aloSIM on

  • Exact 3, 7 and 14-day plans

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
Choose your destination

Questions about aloSIM and Saily

Is aloSIM better than Saily?

aloSIM is ahead of Saily on no app or account needed; refund if it never connects, even after installing; and 24/7 chat without their app. Saily is ahead of aloSIM on exact 3, 7 and 14-day plans. aloSIM suits budget travellers who would use a free internet phone number and want to top up later. 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 aloSIM and Saily need an app?

aloSIM 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 aloSIM’s and Saily’s refund policies?

aloSIM: 30-day guarantee for incompatible phones or failed connections; full refund before activation. After activation, the unused portion at the company’s discretion. 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 aloSIM and Saily?

SimbaSIM. Every plan is truly unlimited data, and it gives you what neither aloSIM nor Saily does: every plan is unlimited data and unused days refunded. Plans start at $12.90 for 3 days in 136 destinations.

More comparisons

aloSIM and Saily are trademarks of their owners. SimbaSIM is not affiliated with or endorsed by either. Details about aloSIM and Saily were taken from their own websites and terms on 3 October 2026 and may since have changed.