Travel eSIM comparison, made clear

The eSIM market is a maze. We brought a map.

RoamSonar scans live eSIM catalogues and turns one trip search into plans you can compare on the same terms.

Live provider catalogues. Coupons checked before ranking.

Travel eSIM research setup in an airport lounge overlooking the runway
Built around the trip, not the advertiser
Evidence before claimsUnknown plan details stay unknown.
266,827active plans compared
61provider feeds
226destinations · Refreshing now

The comparison engine

See the scanner at work

Describe the trip once. RoamSonar checks coverage, duration, data and price in a consistent order.

Live eSIM scanComparing 266,827 active plans from 61 provider feeds across 226 destinations
Destination Japan
Trip length10 days
Data needNormal
Compare plans →
  1. 1Match coverageKeep plans sold for the destination.
  2. 2Check trip fitSeparate plans that expire too soon.
  3. 3Normalise factsKeep total, daily and unlimited data distinct.
  4. 4Rank comparable pricesApply only eligible, verified coupons first.
Best overallCheapestMost dataClear choices, with the conditions beside them.
Product preview — example trip inputs, live catalogue scale and the same decision sequence used by the comparison engine.
Traveller comparing connectivity plans on a laptop and phone beside a railway station
A trip-first comparison replaces a pile of unrelated provider tabs.

Why RoamSonar exists

Travel data should be a small decision

RoamSonar's editorial team maintains this comparison and its guides at organisation level; no individual identity is published without verified real-world details.

Buying an eSIM often means opening the same journey in dozens of stores. Prices use different currencies, validity is presented differently, and “unlimited” can hide a daily speed cap. The product is convenient; the comparison usually is not.

RoamSonar brings those catalogues into one common structure. A 5 GB total plan stays different from 5 GB per day. Plans that do not cover the trip are marked clearly. Hotspot, activation, eKYC and network details appear only when the source actually publishes them.

We built the search around the questions travellers already know: where are you going, how long are you staying and how much data do you need? The result is a short list you can understand before the provider checkout opens.

One search, then a fair comparison.

RoamSonar organises the market. The provider still sells and supports the plan.

Built for real trips

Start with the destination

The same search works for a weekend away, a work trip or a longer route.

Live provider catalogues

Real brands. One comparable view.

These active provider totals come from the current catalogue and change as feeds refresh.

See all live providers →
Bloomy eSIM38,949 live plans eSIM.DOG27,439 live plans Roamix18,255 live plans SimSwift15,082 live plans Roaming4You14,611 live plans iRoamly14,552 live plans RedEx11,253 live plans MicroEsim9,057 live plans PikaSim8,917 live plans abesteSIM8,534 live plans COCOROAM5,996 live plans AloOui5,578 live plans Roamic5,061 live plans Yesim3,597 live plans AirPlans3,334 live plans SimFuse3,200 live plans LotsoTravel3,162 live plans SIMOVO3,091 live plans Wiiline2,864 live plans Skyalo2,826 live plans CONNECT ME GURU2,775 live plans eSIMGlobe2,759 live plans Zwitchy2,743 live plans Airalo2,641 live plans BreezeSIM2,432 live plans MoodSIM2,356 live plans FlySimio2,301 live plans AeroSims2,206 live plans Surfroam2,191 live plans ZenSIM2,144 live plans eSIMFly2,137 live plans eSIMX2,136 live plans JamboSim2,043 live plans Simsima2,001 live plans co:sim1,983 live plans Yatelo1,971 live plans RoameSIM1,879 live plans Global YO1,836 live plans Billion Connect1,639 live plans GigSky1,478 live plans SparkROAM1,467 live plans eSIMPal1,415 live plans OHAYU1,365 live plans Nomad eSIM1,241 live plans eTravelSim1,206 live plans Saily1,173 live plans SIM Local1,122 live plans eSIM Agora1,035 live plans eSIM4Travel999 live plans Roamless994 live plans Ezy eSIM934 live plans NOVU SIM914 live plans Revo eSIM891 live plans RedteaGO836 live plans MobiMatter690 live plans Simbye602 live plans Amigo412 live plans LatAm Travellers268 live plans ByteSIM161 live plans TravelSim Asia89 live plans Maya Mobile4 live plans

Open methodology

Fresh data, visible rules

The comparison is useful only when the source and the maths can be checked.

Freshness stays visible.

The catalogue is refreshing now. Every results page keeps its real last-checked time visible.

Where plans come from

Plans come from documented partner APIs, provider feeds and structured public provider catalogues. Successful updates refresh the catalogue and invalidate cached comparison pages. We do not build prices from search snippets or ad headlines.

How coupons affect price

A crossed-out price appears only when an active, display-allowed coupon can be calculated. If eligibility is unclear, the ranked price stays undiscounted. Commission is not a ranking input.

Read How we rank and How we make money for the full rules.

What we refuse to guess

Unknown attributes stay unknown. Daily data is never quietly turned into a total, and an unlimited plan is never assigned fictional gigabytes. Our editorial policy explains sourcing and corrections.

Find your eSIM in about 20 seconds.

Destination, days and data. RoamSonar will compare the rest.

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