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Sirocco or Kolet for Japan?

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 Japan: Sirocco cheaper on 16, Kolet on 0; average gap 24%.

Sirocco Our eSIM

Cheaper on 16 of the 16 trips comparedno ratingSee Sirocco for Japan ›

Kolet

Cheaper on 0 of the 16 trips compared★ 4.9 · 1,034 reviews
The highest rating on the App Store (United Kingdom) among the brands in this ranking, counted from 100 ratings. Calculated at every price check, never set by hand.
Official website › Kolet (new tab)

Badges for the 7 days, 5 GB trip, worked out among the 12 brands we compare, as on the destination page.

The verdict, by type of trip

  • Short stay3 days, 5 GBSirocco Our eSIM€9.00 against €12.99 with Kolet (44% more)
  • One week7 days, 5 GBSirocco Our eSIM€9.00 against €12.99 with Kolet (44% more)
  • Unlimited7 days, unlimitedSirocco Our eSIM€23.20 against €25.48 with Kolet (10% more)
  • Family of 44 travellers, 7 days, 5 GB eachSirocco Our eSIM€32.40 against €51.96 with Kolet (60% more)

A written rule, the same for every pair: for each type of trip, the cheaper of the two at the price 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 cheaper of the two; "+x%", how much more the other one costs.

Prices, trip by trip
TripSirocco Our eSIMKolet
3 days
1 GB, 3 days€3.80that's €1.27/dayCheaper€3.99that's €1.33/day5% more expensive
5 GB, 3 days€9.00that's €3.00/dayCheaper€12.99that's €4.33/day44% more expensive
10 GB, 3 days€15.20that's €5.07/dayCheaper€19.99that's €6.66/day32% more expensive
Unlimited, 3 days€10.40that's €3.47/dayCheaper€11.46that's €3.82/day10% more expensive
7 days
1 GB, 7 days€3.80that's €0.54/dayCheaper€3.99that's €0.57/day5% more expensive
5 GB, 7 days€9.00that's €1.29/dayCheaper€12.99that's €1.86/day44% more expensive
10 GB, 7 days€15.20that's €2.17/dayCheaper€19.99that's €2.86/day32% more expensive
Unlimited, 7 days€23.20that's €3.31/dayCheaper€25.48that's €3.64/day10% more expensive
15 days
1 GB, 15 days€3.80that's €0.25/dayCheaper€3.99that's €0.27/day5% more expensive
5 GB, 15 days€9.50that's €0.63/dayCheaper€12.99that's €0.87/day37% more expensive
10 GB, 15 days€15.60that's €1.04/dayCheaper€19.99that's €1.33/day28% more expensive
Unlimited, 15 days€42.20that's €2.81/dayCheaper€50.55that's €3.37/day20% more expensive
30 days
1 GB, 30 days€3.80that's €0.13/dayCheaper€3.99that's €0.13/day5% more expensive
5 GB, 30 days€9.90that's €0.33/dayCheaper€12.99that's €0.43/day31% more expensive
10 GB, 30 days€16.10that's €0.54/dayCheaper€19.99that's €0.67/day24% more expensive
Unlimited, 30 days€60.30that's €2.01/dayCheaper€89.70that's €2.99/day49% more expensive
12 brands compared, not an exhaustive listWhy this ranking?

Compared on price: for each trip, each brand's cheapest plan that covers the duration and the data, at the public price we checked. Average gap: the mean, over the trips compared, of the difference between the two prices relative to the cheaper 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
  • Kolet★ 4.9 · 1,034 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 cheaper 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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