Exact destination
A regional plan may not include every country or may use a weaker partner network.
CONNECTIVITY / ESIM
Find mobile data that fits the journey.
Compare destination coverage, validity, data allowances, hotspot support, and device compatibility before you travel.
NORMALIZED ESIM FINDER
Match the plan to the journey
Results use the provider and dated-plan records in this comparison database.
THE PRACTICAL FOUNDATION
Choose by journey, not just gigabytes
An embedded Subscriber Identity Module (eSIM) lets a compatible device download a mobile-network profile without inserting a physical card. Many phones can store several profiles, but active-line and data-line behaviour still depends on the device.
For travel, first check the destination network, phone unlock status and installation method. Then compare data, validity, hotspot terms, voice and Short Message Service availability, traffic-management rules and when the validity period begins.
BEFORE YOU COMPARE
Six details to check before buying
Activation trigger
Validity may start at installation, first network connection or manual activation.
Data policy
Unlimited plans can include daily high-speed limits, throttling or fair-use conditions.
Hotspot terms
Tethering may be allowed, capped or blocked independently of the total data allowance.
Calls and messages
Many travel plans are data-only, so confirm whether a number, voice or Short Message Service is included.
Device status
The phone must support eSIM and normally needs to be carrier-unlocked for a travel profile.
Current provider examples: Japan
Pricing checked 15 July 2026 Prices were observed in United States dollars, promotions and destination inventories can change without notice.
6 options
| Provider | Destination | Data | Validity | Network | Hotspot | Calls & SMS | Price | Best for | |
|---|---|---|---|---|---|---|---|---|---|
| Ubigi | Japan | 10 GB | 30 days | NTT Docomo | Allowed | Data only | $16.50 | Japan connectivity | |
| Nomad | Japan | 10 GB | 30 days | KDDI au or SoftBank, plan dependent | Verify plan | Data only | $17.00 | Predictable fixed-data bundles | |
| Airalo | Japan | 20 GB | 30 days | Plan dependent | Verify package | Data only | $26.00 | Broad destination search | |
| Holafly | Japan | Unlimited* | 10 days | Plan dependent | 1 GB per day observed | Data only | $36.90 | Travellers prioritising simple duration selection | |
| GigSky | Japan | 1 GB | 7 days | Plan dependent | Verify specialist plan | Data only | $4.99 | Cruise passengers | |
| Maya Mobile | Japan | Unlimited* | 30 days | Plan dependent | Verify plan | Data only | $49.99 | Travellers wanting one reusable eSIM across many trips |
DECISION LIBRARY
Provider and use-case comparisons
Every recommendation is conditional on destination, usage and plan terms.
VSAiralo vs Nomad eSIM
Two broad travel-eSIM catalogues compared by journey rather than brand recognition.
→VSAiralo vs HolaflyFinite-data catalogue breadth versus duration-based unlimited-style simplicity.
→VSNomad vs SailyPlan-price flexibility compared with an app-led service that adds travel security features.
→VSUbigi vs AiraloA reusable connectivity profile and broader device support compared with a large travel catalogue.
→VSGigSky vs cruise and airline alternativesSpecialist maritime and inflight connectivity compared with ship Wi-Fi and terrestrial eSIMs.
→USE CASEBest eSIM approach for hotspot useA use-case comparison for laptops, tablets and shared travel data.
→USE CASEBest eSIM approach for multi-country travelRegional, global and local plans compared for border-heavy itineraries.
→USE CASEBest unlimited-style eSIM approachHow to compare high-data plans without assuming unlimited means unrestricted.
→USE CASEBest eSIM approach for long-term travelMonthly, reusable, local and pay-as-you-go models compared for extended mobility.
→USE CASEBest pay-as-you-go eSIM approachNon-expiring credit compared with fixed bundles for irregular travel.
→VSaloSIM vs YesimTwo low-entry-price providers compared by trial structure, top-up model and reported reliability.
→VSRoamless vs KeepgoTwo non-expiring pay-as-you-go models compared by portability and reported device-transfer limitations.
→VSFlexiroam vs Maya MobileTwo reusable single-eSIM propositions compared by plan structure, in-flight and cruise coverage, and reported catalogue changes.
→VSInstabridge vs SimOptionsTwo providers that pair travel data with a bundled phone number, compared by scope and reported call reliability.
→VSBNESIM vs WorldSIMTwo hybrid data-and-voice global connectivity providers compared alongside their documented reliability complaints.
→VSAirhub vs TruphoneA budget free-trial provider compared with a long-established brand carrying a markedly worse complaint record.
→VSJetPac vs SimifyAn airport-lounge-access perk compared with a bundled North America plan, weighed against each provider's reported limitations.
→PROVIDER PROFILES
What stands out, and what to verify
Editorial summaries based on current provider specifications and terms, not paid rankings.
Ubigi
Its observed Japan plan was $16.50 for 10 gigabytes over 30 days, with Smartstart activation, data sharing and top-ups. Ubigi also advertises a reusable profile across many destinations.
Check before buyingIt is data-only, and the exact network and fair-use conditions should be checked on the plan page.
Nomad
The observed Japan plan was $17 for 10 gigabytes over 30 days. Nomad also offers Asia-Pacific and China, Japan, South Korea regional bundles.
Check before buyingNetwork partners, 5G availability, activation rules and voice support vary by plan, most plans are data-only.
Airalo
A broad catalogue spanning local, regional and global options. Japan listings include fixed-data and unlimited choices, making it useful for comparing several trip profiles in one storefront.
Check before buyingHotspot terms, local network, routing and support experience can differ by package, so the provider name alone is not enough to predict performance.
Holafly
Focuses on convenience and unlimited-data plans priced by trip length. The observed Japan price was $36.90 for 10 days.
Check before buyingUnlimited is subject to fair-use rules, Japan hotspot sharing is listed at 1 gigabyte per day, and it may cost more than a fixed-data plan.
Keepgo
A lifetime, no-expiry pay-as-you-go data model across a 500+ network wholesale-rate claim -- data purchased today never has to be used before a deadline.
Check before buyingThe eSIM profile is tied to your current device; upgrading phones can mean losing access to a remaining balance unless Keepgo manually reissues it.
Truphone
One of the longest-established global connectivity brands, with a free trial allowance up to 3GB for 30 days.
Check before buyingCarries a markedly lower Trustpilot score than every other provider in this comparison, with reported auto-recharge and multi-month unresolved refund issues independent reviewers link to its TP Global acquisition.
PROVIDER DATABASE
Research 20 established eSIM services
Normalized profiles separate provider-wide claims from destination and plan-specific conditions.
AI
Airalo
200+ countries and regions
Broad destination searchNO
Nomad
200+ destinations
Predictable fixed-data bundlesHO
Holafly
International destination catalogue
Travellers prioritising simple duration selectionUB
Ubigi
200+ destinations
Japan connectivitySA
Saily
200+ destinations
Security-conscious travellersGI
GigSky
200 countries and regions through approximately 400 network partners
Cruise passengersAL
aloSIM
200+ destinations
Travellers wanting optional phone-number functionalityRO
Roamless
200+ destinations
Frequent light travellersFL
Flexiroam
200+ countries and regions via a 700+ partner-network claim
Multi-trip travellers wanting one reusable eSIMMA
Maya Mobile
165+ countries and 20+ cruise lines on one reusable eSIM
Travellers wanting one reusable eSIM across many tripsSI
Simify
150+ destinations
North America multi-country tripsYE
Yesim
200+ destinations
Travellers wanting a low-cost trial before committingIN
Instabridge
190+ countries
Travellers comparing fixed-data travel plansJE
JetPac
200+ destinations
Travellers wanting a savings claim against standard roamingKE
Keepgo
150+ countries via a 500+ network wholesale-rate claim
Infrequent travellers who dislike expiring dataBN
BNESIM
200+ countries
Travellers wanting a no-expiry data optionWO
WorldSIM
190+ to 195+ countries depending on the product line
Travellers wanting a free UK inbound-call number alongside dataAI
Airhub
190+ countries
Budget-conscious travellers wanting a free trial before payingSI
SimOptions
200+ destinations
Europe trips wanting a bundled phone numberTR
Truphone
113 countries
Established-brand global data plansUSER REVIEW SIGNALS
What owners and travellers repeatedly mention
Themes reviewed across recent Trustpilot feedback and travel-community discussions. Network experience is destination, device and local-partner specific.
Travellers commonly value quick purchase, avoiding physical Subscriber Identity Module collection and reliable service when installation succeeds.
The most repeated problems involve activation settings, Access Point Name configuration, inconsistent speed, data expiring or depleting unexpectedly and slow support during time-sensitive failures.
EXPLORE FURTHER
Popular destinations
Check device compatibility
Confirm that your phone is unlocked and supports eSIM before buying a plan.
INSTALLATION GUIDE
From purchase to connected
01
Check compatibility
Confirm eSIM support and carrier unlock status.
02
Install over Wi-Fi
Scan the provider QR code before departure.
03
Activate on arrival
Select the eSIM for mobile data and roaming.
COMMON QUESTIONS
Frequently asked questions
Support depends on the exact model, region and carrier configuration. Check the device settings and manufacturer documentation, then confirm that the phone is unlocked.