One SIM. All of Vietnam.

VietSim is an independent catalogue of every 4G, 5G and eSIM plan from Viettel, VinaPhone, MobiFone and the MVNOs, with each SMS syntax tested on a real SIM, and a Vietnam SIM and eSIM guide for visitors in five languages.

Carriers: 7
Languages: 6
Service fee: 0₫

What is coming

Your current number

Data plans for your number

Every gói cước from 7 carriers with the price per GB and the exact SMS syntax to register, check and cancel.

New number, no store visit

eSIM with a QR code

Carrier eSIMs and travel eSIMs compared on price, network, validity and phone support.

Visiting Vietnam

A guide in your language

Airport counters, coverage by city and what a SIM really costs, in English, Japanese, Korean, Traditional Chinese and Russian.

VietSim eSIM store

Vietnam eSIM with the QR code on screen

Data plans on Viettel, VinaPhone and MobiFone for your trip. Pay by card and install the eSIM from the QR code shown right after payment.

See eSIM plans

Launch plan

September 2026
Vietnamese catalogue: 7 carriers, one page per plan code, checked weekly on real SIMs. English guide for visitors: eSIM comparison, airport SIM prices, coverage by city.
Late September 2026
日本語, 한국어, 繁體中文 and Русский guides with prices in your currency.

Partnerships and press

Carriers, eSIM sellers and travel brands: VietSim lists every plan on its merits and marks partner links clearly. Write to us before launch to be listed with the correct terms.

[email protected]