Thailand

Yes, in 5 of 6 compared plans, for example 1 GB, 7 days: VoyaSIM $1.80, Saily $2.99; 3 GB, 15 days: VoyaSIM $4.20, Ubigi $5; 5 GB, 30 days: VoyaSIM $6.80, Saily $7.99. Each comparison takes the lowest public list price of Airalo, Nomad, Saily, Ubigi, Yesim for the same data and the same number of days, read on 2026-10-20; the rows we lose are shown on the comparison page too.

14 plans from $0.50 up to $16.40. Prices are live from the catalog and every plan page shows the current price, the data amount and the validity.

The plans connect to DTAC, TrueMove H, AIS, True Move, with 4G/LTE in cities and tourist areas; 5G in Bangkok and Phuket. Coverage spans Bangkok, Phuket, Chiang Mai, Krabi, Koh Samui, and Pattaya. Each plan page lists its networks and whether they offer 3G, 4G or 5G.

On southern islands such as Koh Phangan and Koh Tao, AIS and dtac give the strongest coverage near beach areas; remote inland hiking trails can be patchy.

At the first connection to a network in Thailand, not when you buy or install it. Install at home over Wi‑Fi; the days start counting when you land.

The QR code arrives by email within minutes of payment. iPhone: Settings → Cellular → Add eSIM and scan it. Android: Settings → Network & Internet → SIMs → Add eSIM. It takes about two minutes; the help center has the step-by-step version.

Yes. The eSIM carries data only and works next to your own SIM, so your number, WhatsApp, iMessage and banking apps keep working. Switch data roaming off on your home SIM so it never bills you abroad.

Add more data from My eSIMs in a minute, or switch on auto top-up after checkout and the same plan is added by itself at 90% used. Daily plans get cheaper per day the more days you buy at once.

Yes, in full, as long as the eSIM was never activated. A technical problem that stops activation is refunded too; write to support with your order number.