Ubigi review

Ubigi is less known than Airalo, but its Japan price table in USD was the most competitive we checked. One-off plans started at $3.50 for 1 GB over 3 days, unlimited data was $25 for 8 days and $39 for 15 days, and monthly plans ran from $8 a month for 5 GB to $45 a month for unlimited. That mix of one-off, monthly and annual plans suits people who stay abroad for weeks or travel every month. You install the eSIM once and reuse it across 200+ destinations, and Smartstart begins a plan when you arrive. Ubigi also lists support for Windows 10/11 laptops with eSIM, and it allows data sharing. The tradeoffs are presentation and admin. The plan table is long and plain, and its site switched language for us based on location.

Who it is for

Long-stay travelers, remote workers and laptop users who want monthly or cheap unlimited plans.

Price

Japan from $3.50 for 1 GB over 3 days; monthly plans from $8 a month.

ONE-OFF 1GB 3 days US$3.50
Quoted from the vendor pricing page on November 8, 2026.

Key features

• One-off, monthly and annual plan types for the same destination
• Unlimited one-off passes, for example 8 or 15 days in Japan
• Reusable eSIM across 200+ destinations, with plans activated when needed
• Smartstart: the plan starts when you arrive
• Works on eSIM phones, tablets and Windows 10/11 laptops with eSIM, and data sharing is allowed

Strengths and weaknesses

• Strength: Lowest unlimited prices we saw for Japan, $25 for 8 days
• Strength: Monthly plans suit long stays
• Strength: Laptop support is rare among travel eSIMs
• Weakness: Plan table is dense and harder to scan than app-first rivals
• Weakness: Unlimited monthly plan costs $45 a month
• Weakness: Site language and currency can switch based on location

Key facts

• Japan 1 GB, 3 days: $3.50
• Japan unlimited, 8 days: $25
• Japan unlimited, 15 days: $39
• Japan 5 GB monthly: $8 per month
• Devices: Phones, tablets, Windows 10/11 laptops with eSIM

Where it ranks

Ubigi is No. 4 in our Best eSIM Apps verdict.