Sirocco or Roamless 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 16 trips compared in Vietnam: Sirocco ranked higher on 6, Roamless on 10; average gap 6%.
Roamless
Ranked higher on 10 of the 16 trips compared★ 4.8 · 3,295 reviewsOfficial website › Roamless (new tab)The verdict, by type of trip
- Short stay3 days, 5 GBSirocco Our eSIM€9.00 against €9.79 with Roamless (9% more)
- One week7 days, 5 GBSirocco Our eSIM€9.00 against €9.79 with Roamless (9% more)
- Unlimited7 days, unlimitedRoamless€22.90 against €23.70 with Sirocco (3% more)
- Family of 44 travellers, 7 days, 5 GB eachSirocco Our eSIM€32.40 against €39.16 with Roamless (21% more)
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.
| Trip | Sirocco Our eSIM | Roamless |
|---|---|---|
| 3 days | ||
| 1 GB, 3 days | €3.80that's €1.27/day8% more expensive | €3.53that's €1.18/dayRanked higher |
| 5 GB, 3 days | €9.00that's €3.00/dayRanked higher | €9.79that's €3.26/day9% more expensive |
| 10 GB, 3 days | €15.20that's €5.07/dayRanked higher | €16.04that's €5.35/day6% more expensive |
| Unlimited, 3 days | €10.40that's €3.47/day2% more expensive | €10.22that's €3.41/dayRanked higher |
| 7 days | ||
| 1 GB, 7 days | €3.80that's €0.54/day8% more expensive | €3.53that's €0.50/dayRanked higher |
| 5 GB, 7 days | €9.00that's €1.29/dayRanked higher | €9.79that's €1.40/day9% more expensive |
| 10 GB, 7 days | €15.20that's €2.17/dayRanked higher | €16.04that's €2.29/day6% more expensive |
| Unlimited, 7 days | €23.70that's €3.39/day3% more expensive | €22.90that's €3.27/dayRanked higher |
| 15 days | ||
| 1 GB, 15 days | €3.90that's €0.26/day10% more expensive | €3.53that's €0.24/dayRanked higher |
| 5 GB, 15 days | €9.50that's €0.63/dayRanked higher | €9.79that's €0.65/day3% more expensive |
| 10 GB, 15 days | €15.60that's €1.04/dayRanked higher | €16.04that's €1.07/day3% more expensive |
| Unlimited, 15 days | €42.20that's €2.81/day7% more expensive | €39.42that's €2.63/dayRanked higher |
| 30 days | ||
| 1 GB, 30 days | €3.90that's €0.13/day10% more expensive | €3.53that's €0.12/dayRanked higher |
| 5 GB, 30 days | €9.90that's €0.33/day1% more expensive | €9.79that's €0.33/dayRanked higher |
| 10 GB, 30 days | €16.10that's €0.54/day< 1% more expensive | €16.04that's €0.53/dayRanked higher |
| Unlimited, 30 days | €60.30that's €2.01/day8% more expensive | €55.69that's €1.86/dayRanked higher |
Sirocco is ranked lower on 10 trips: 3 days, 1 GB (€3.80 against €3.53); 3 days, unlimited (€10.40 against €10.22); 7 days, 1 GB (€3.80 against €3.53); 7 days, unlimited (€23.70 against €22.90); 15 days, 1 GB (€3.90 against €3.53); 15 days, unlimited (€42.20 against €39.42); 30 days, 1 GB (€3.90 against €3.53); 30 days, 5 GB (€9.90 against €9.79); 30 days, 10 GB (€16.10 against €16.04); 30 days, unlimited (€60.30 against €55.69).
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.
- Sirocco Our eSIMno rating
- Roamless★ 4.8 · 3,295 reviews
Going further
- Every brand we compare for Vietnam: the full ranking ›
- Sirocco or Roamless, all destinations ›
- Other head-to-heads for Vietnam: Sirocco vs Airalo · Sirocco vs Holafly · Sirocco vs Orange Travel · Sirocco vs Instabridge · Sirocco vs aloSIM · Sirocco vs Kolet · Sirocco vs Sim Local · Sirocco vs Eskimo · Sirocco vs eSIM.me · Sirocco vs Jetpac · Airalo vs Roamless · Holafly vs Roamless · Orange Travel vs Roamless · Instabridge vs Roamless · Roamless vs aloSIM · Roamless vs Kolet · Roamless vs Sim Local · Roamless vs Eskimo · Roamless vs eSIM.me · Roamless vs Jetpac
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