Truly unlimited — your data never stops
SimbaSIM vs Ubigi
Thinking about Ubigi? SimbaSIM gives you truly unlimited data that never stops, plus what Ubigi does not: every plan is unlimited data; exact 3, 7 and 14-day plans; 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 Ubigi
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.
Ubigi: Also sells fixed-data packs you have to size.
Exact 3, 7 and 14-day plans
The same three lengths in all 136 destinations.
Ubigi: No unlimited plan for exactly 3 days in Japan, 7 days in Japan, 14 days in Japan.
Unused days refunded
Unused days refunded within 30 days of purchase.
Ubigi: No refund once you have started using it.
24/7 chat without their app
24/7 chat on the website, no app or account.
Ubigi: Support starts with a web form; WhatsApp is an AI assistant.
Cheaper on 1 of the trips we priced
Japan, 3 days: $12.90
Ubigi: $25.00
Side by side
| Feature | SimbaSIM | Ubigi |
|---|---|---|
| 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. | YesQR code by email; the app is optional. |
| Days start when you land | YesDays start when you first connect at your destination. | Yes"Smartstart": the plan activates on arrival. |
| Add days to the same eSIM | YesA new plan bought with the same email goes onto the eSIM you already have. | YesRecharge the same eSIM in the app, even without Wi-Fi. |
| Exact 3, 7 and 14-day plans | YesThe same three lengths in all 136 destinations. | NoNo unlimited plan for exactly 3 days in Japan, 7 days in Japan, 14 days in Japan. |
| Refund if it never connects, even after installing | YesFull refund if it will not install or never connects. | YesRefund if no data was used, within 14 business days. |
| Unused days refunded | YesUnused days refunded within 30 days of purchase. | NoNo refund once you have started using it. |
| 24/7 chat without their app | Yes24/7 chat on the website, no app or account. | NoSupport starts with a web form; WhatsApp is an AI assistant. |
What to know before you buy Ubigi
- No unlimited plan shorter than 8 days in Japan or Turkey.
- A narrow refund window, and the terms contradict the help centre.
- Human support starts with a web form; reviewers mention slow replies.
- Refunds: Refund only if no data has been used, requested within 14 business days of purchase. The terms are stricter: a plan cannot be refunded once bought.
The best Ubigi 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
Questions about Ubigi and SimbaSIM
Is SimbaSIM better than Ubigi?
For most travellers, yes. SimbaSIM gives you truly unlimited data that never stops, and beats Ubigi on every plan is unlimited data; exact 3, 7 and 14-day plans; unused days refunded; 24/7 chat without their app. It also costs less for Japan, 3 days.
What is Ubigi’s refund policy?
Refund only if no data has been used, requested within 14 business days of purchase. The terms are stricter: a plan cannot be refunded once bought. 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 Ubigi?
Ubigi 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 Ubigi?
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.
Ubigi is a trademark of its owner. SimbaSIM is not affiliated with or endorsed by Ubigi. Details about Ubigi were taken from its own website and terms on 3 October 2026 and may since have changed.
