Vietnam eSIM 2026: Viettel vs Vinaphone vs Mobifone – Which

Viettel is the largest mobile carrier in Vietnam, with the widest rural coverage—approximately 70% of the countryside according to its publicly available maps. This makes it the best choice for remote destinations like Sapa, Ha Giang, and the mountainous northwest. Vinaphone, by contrast, concentrates its strongest coverage in urban centers: Ho Chi Minh City, Hanoi, and Da Nang. Its rural reach is lower, around 50%, so travelers venturing off the beaten path should expect weaker signals.

Mobifone (branded as Skyfi in our plans) is slightly smaller than the other two, but it offers competitive pricing and notably higher daily data allowances. While its rural coverage is around 40%, it performs well in cities and along major highways. All three carriers support eSIM activation via QR code on compatible devices, including iPhone XS and newer, Samsung Galaxy S20 and newer, and Google Pixel 3 and newer. No separate app is required.

Our Viettel 7-day plan gives you 5GB per day for $10. The Vinaphone 10-day plan also offers 5GB per day at $12, so it lasts three days longer than Viettel’s 7-day option. Mobifone’s 7-day plan provides 7GB per day for just $8, making it the cheapest per day at about $1.14/day compared to Viettel’s $1.43/day and Vinaphone’s $1.20/day. For travelers who prioritize data volume and budget, Mobifone is clearly the value pick.

All plans are native carrier eSIMs—we sell them directly, not through a third-party reseller. That means you receive the same network priority as any local subscriber. When comparing plans, remember that Vinaphone’s 10-day duration is not directly equivalent to the 7-day options; adjust your selection based on how long you’ll stay. We also offer longer durations: Viettel 15 days ($11) and 30 days ($15), Vinaphone 15 days ($13) and 30 days ($16), and Mobifone 10 days ($9) and 15 days ($10).

Public coverage data from the carriers themselves shows Viettel leading at roughly 70% geographic coverage, followed by Vinaphone at 50% and Mobifone at 40%. In practice, inside Ho Chi Minh City, Hanoi, and Da Nang, all three provide reliable 4G and often 5G with typical speeds of 20–50 Mbps—fine for maps, video calls, and streaming. We haven’t run our own tests, but user reports and carrier specifications confirm that urban performance is similar across the three.

The differences become critical in mountainous areas. For Sapa and Ha Giang, Viettel is the only consistently reliable option. On islands like Phu Quoc and Con Dao, Viettel and Mobifone have coverage; Vinaphone may have noticeable gaps. If your itinerary includes remote villages or extensive highway travel, Viettel is the safe choice. For city-only stays, any carrier will suffice.

Installation is straightforward: purchase the plan from our site, receive a QR code via email, and scan it in your phone’s settings. Compatible devices include iPhone XS and later, Samsung Galaxy S20 and later, and Google Pixel 3 and later—all three carriers support both iOS and Android eSIM natively. No separate app is required; the profile installs directly.

Important: iPhones from mainland China, Hong Kong, and Macau do not support eSIM due to a hardware limitation. If you own one of those models, you will need a physical SIM instead. For everyone else, dual-SIM works seamlessly: keep your home SIM active for calls and SMS, and use the Vietnam eSIM for mobile data. This setup is supported by all three carriers.

Choose Viettel if you need the best rural or remote coverage—especially if you plan to visit Sapa, Ha Giang, Phu Quoc, or Con Dao. It’s also the preferred option for digital nomads who may work from less connected areas. Choose Vinaphone if you’re spending 10 days primarily in cities and want a longer validity without extra data. Its urban performance matches Viettel’s, and the 10-day plan is convenient for week-plus stays.

Choose Mobifone if maximizing data while minimizing cost matters most. At $8 for 7 days with 7GB daily, it’s the cheapest per day and offers the most data—ideal for heavy users who stay in well-covered urban zones. No single carrier is ‘best’ for every traveler. Match your itinerary and data needs to the carrier, and you’ll have a smooth experience.