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Holafly or aloSIM for Vietnam?

2 brands checked on 27/10/2026 · published by Mocom SAS (Sirocco)

Brands compared: Sirocco, Airalo, Holafly, Orange Travel, Instabridge, Roamless, aloSIM, Kolet, Sim Local, Eskimo, eSIM.me and Jetpac

As of 27/10/2026, out of 4 trips compared in Vietnam: Holafly ranked higher on 3, aloSIM on 1; average gap 6%.

Holafly

Ranked higher on 3 of the 4 trips compared★ 4.8 · 17,018 reviewsOfficial website › Holafly (new tab)

aloSIM

Ranked higher on 1 of the 4 trips compared★ 4.7 · 419 reviewsOfficial website › aloSIM (new tab)

The verdict, by type of trip

  • Short stay3 days, 5 GBaloSIMThe only one offering this trip (€11.00); Holafly: unlimited only
  • One week7 days, 5 GBaloSIMThe only one offering this trip (€11.00); Holafly: unlimited only
  • Unlimited7 days, unlimitedHolafly€25.50 against €28.00 with aloSIM (10% more)
  • Family of 44 travellers, 7 days, 5 GB eachaloSIMThe only one offering this trip (€44.00); Holafly: unlimited only

A written rule, the same for every pair: for each type of trip, the better ranked of the two on price per GB (for unlimited, on price), at the prices we checked. Nothing is picked by hand; customer ratings don't count.

Prices, trip by trip

For each trip, each brand's cheapest plan that covers the duration and the data. In green, the better ranked of the two: price per GB, not counting GB beyond one and a half times the data requested (for unlimited, price). "+x%", how much more the other one costs, per GB when the data differs.

Prices, trip by trip
TripHolaflyaloSIM
3 days
1 GB, 3 daysunlimited only€4.50that's €1.50/day
5 GB, 3 daysunlimited only€11.00that's €3.67/day
10 GB, 3 daysunlimited only€19.00that's €6.33/day
Unlimited, 3 days€11.42that's €3.81/dayRanked higher€12.00that's €4.00/day5% more expensive
7 days
1 GB, 7 daysunlimited only€4.50that's €0.64/day
5 GB, 7 daysunlimited only€11.00that's €1.57/day
10 GB, 7 daysunlimited only€19.00that's €2.71/day
Unlimited, 7 days€25.50that's €3.64/dayRanked higher€28.00that's €4.00/day10% more expensive
15 days
1 GB, 15 daysunlimited only€6.50that's €0.43/day
5 GB, 15 daysunlimited only€11.00that's €0.73/day
10 GB, 15 daysunlimited only€19.00that's €1.27/day
Unlimited, 15 days€47.90that's €3.19/day4% more expensive€46.00that's €3.07/dayRanked higher
30 days
1 GB, 30 daysunlimited only€7.50that's €0.25/day
5 GB, 30 daysunlimited only€11.00that's €0.37/day
10 GB, 30 daysunlimited only€19.00that's €0.63/day
Unlimited, 30 days€70.90that's €2.36/dayRanked higher€75.00that's €2.50/day6% more expensive
12 brands compared, not an exhaustive listWhy this ranking?

Compared on price per GB: for each trip, each brand's cheapest plan that covers the duration and the data, at the public price we checked, divided by its GB (at most one and a half times the data requested); for unlimited, the price. Average gap: the mean, over the trips compared, of the difference between the two brands relative to the better ranked one.

Not an exhaustive comparison: 12 brands out of the dozens that sell eSIMs. The list of brands compared is in our Methodology.

eSIMeter is published by Mocom SAS, which sells Sirocco: the site is funded by those sales. No other brand pays us.

Customer ratings

App Store United Kingdom, checked on 27/10/2026. Ratings don't count in the verdict.

  • Holafly★ 4.8 · 17,018 reviews
  • aloSIM★ 4.7 · 419 reviews

Going further

A page per destination is only published if both brands have a price for at least 4 of the 16 trips, and if the better ranked one changes with the trip or the average gap reaches 5%. Otherwise they are still compared in the destination's ranking. Methodology

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