Price checked on October 13, 2026
Roamix eSIM for Vietnam: our review
- Vietnamese networkViettelVinaphoneMobiFone
- Listed
- 4.1/5 · 5 · Trustpilot
- 8 vietnam plans · from $4.85
- 5G
- Hotspot OK
- Unlimited
Verdict
Roamix connects to Viettel, Vinaphone, MobiFone. Roamix · 1 GB · 7 days · from $4.85
This page is generated from our eSIM registry and has not yet been reviewed by an editor in this language.
Roamix in Vietnam: the facts
- Vietnamese network
- Viettel, Vinaphone, MobiFone
- https://roamix.app/vietnam-esim
- 5G
- Yes
- Hotspot
- Yes
- Phone number
- data only
- Plan starts
- at first connection in Vietnam
- Top-up
- Yes
- Refunds
- Refund within 14 days of purchase for eSIMs not yet installed or activated; once the QR code is scanned / profile installed, no refund (except technical issue on their side, via [email protected]).
- Support
- email, 24/7
- Trustpilot
- 4.1/5
- 5 · October 13, 2026
- Unlimited
- Not stated
- Type
- International eSIM
- Last checked
- October 13, 2026
- Roamix is listed from a one-off check on October 13, 2026; prices may have changed since.
Roamix Vietnam plans and prices
| Plan | Data | Validity | Network | Price | per GB |
|---|---|---|---|---|---|
| Vietnam 1 GB – 7 days | 1 GB | 7 days | ViettelVinaphoneMobiFone | $4.85 | $4.85 |
| Vietnam 3 GB – 15 days | 3 GB | 15 days | ViettelVinaphoneMobiFone | $7.30 | $2.43 |
| Vietnam 3 GB – 30 days | 3 GB | 30 days | ViettelVinaphoneMobiFone | $7.60 | $2.53 |
| Vietnam Unlimited – per day (1 to 365 days) | Unlimited | 1 day | ViettelVinaphoneMobiFone | $9.85 | — |
| Vietnam 5 GB – 30 days | 5 GB | 30 days | ViettelVinaphoneMobiFone | $10.70 | $2.14 |
| Vietnam 10 GB – 30 days | 10 GB | 30 days | ViettelVinaphoneMobiFone | $17.70 | $1.77 |
| Vietnam 20 GB – 30 days | 20 GB | 30 days | ViettelVinaphoneMobiFone | $30.60 | $1.53 |
| Vietnam 50 GB – 180 days | 50 GB | 180 days | ViettelVinaphoneMobiFone | $100.40 | $2.01 |
Read on Roamix's website on October 13, 2026. Prices in US dollars, before any promo code.
Roamix promo code
Roamix has no public promo code at the moment. Discounts, when they exist, apply automatically through the link below; we remove codes as soon as they stop working.
Installing a Roamix eSIM for Vietnam
- Check that your phone is eSIM-compatible and carrier-unlocked (Settings → About → "Digital SIM" or "EID" on Android, "Add eSIM" on iPhone).
- Buy the plan on Roamix's site or app and install it at home on Wi-Fi: scan the QR code or let the app add it.
- Label the line "Vietnam", keep your home SIM for calls and SMS, and turn on data roaming for the eSIM line only.
- Leave mobile data on your home line off before take-off. On landing, select the Roamix line for data: the plan starts counting at first connection.
- No signal after a few minutes? Toggle airplane mode, then pick the network manually in the cellular settings.
Alternatives to Roamix for Vietnam
For the same trip, here is what the other brands charge: (10 days, 5 GB)
- VietnamobileVietnamobile5 GB/day · 10 days$1.54
- ViettelViettel5 GB/day · 15 days$3.09
- MobiFoneMobiFone1 GB/day · 30 days$3.86
Roamix in Vietnam: questions
Which network does Roamix use in Vietnam?
Roamix connects to Viettel, Vinaphone, MobiFone. Plans on the Viettel network
Is Roamix's unlimited plan really unlimited?
No. Roamix applies a daily fair-use cap: Not stated. Light use is never affected; video and tethering are.
Do I get a Vietnamese phone number with Roamix?
No. Roamix is data-only: no Vietnamese number, so no Vietnamese SMS. Calls go through WhatsApp or your home line in roaming.
Can I share Roamix's connection as a hotspot?
Yes
When does the Roamix plan start?
The plan starts at first connection in Vietnam. Install it at home, keep data roaming off on that line until you land.
Related guides
Other eSIM brands for Vietnam
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