esim-vs-google-fi
Travel eSIM providers offer data in 150-200 countries from $3.00/GB. Google Fi covers 200+ countries at $10/GB after the plan limit. eSIM providers cost less for short trips. Google Fi works better for US residents who want one plan at home and abroad. HelloRoam scores 8.6/10 in our comparison matrix.
esim-for-apple-watch
Apple Watch Series 3 and later support eSIM for cellular connectivity. Travel eSIM providers do not support Apple Watch directly. Apple Watch eSIM requires a carrier plan (AT&T, T-Mobile, Verizon, EE, Vodafone). Number sharing with your iPhone plan costs $5-10/month.
esim-not-working
eSIM not working: 1) enable data roaming in settings, 2) verify your device supports eSIM (iPhone XS or later, most 2020+ Android phones), 3) check carrier coverage in your area, 4) toggle airplane mode on and off, 5) reset network settings. Contact your eSIM provider if activation fails.
Methodology
Our Comparison Methodology
Comparing eSIM providers is only useful when the comparison is structured, repeatable, and free from bias. This page explains exactly how we collect data, apply our scoring rubric, and keep evaluations neutral across all 5 providers we track.
Data collection process
We collect plan data directly from each provider's public website and app. For every provider-destination pair, we record available plan sizes, durations, prices, network partners, and whether the plan includes voice or SMS. We cover 209 destinations and re-collect all pricing data weekly. Feature data (app quality, activation method, support channels) is audited monthly through hands-on re-checks of each provider's current product.
Feature scoring rubric
Every provider is evaluated on eight discrete features. Each receives a score from 1 to 5 based on documented criteria:
Country coverage
Number of supported destinations and whether the provider covers the full country or only urban areas
Price competitiveness
Per-GB cost normalized across plan sizes, compared to the median price for that destination
Plan flexibility
Range of data sizes and durations available, including whether custom bundles or top-ups exist
Network quality
Which local carrier the eSIM routes through and that carrier's ranking in OpenSignal reports
Activation speed
Time from purchase to working data connection, measured on iPhone and Android
App usability
Setup flow clarity, data usage tracking accuracy, and ease of managing multiple eSIMs
Support responsiveness
Channel availability (live chat, email, phone) and measured first-response time to test tickets
Refund and cancellation terms
Whether unused plans can be refunded and how transparent the policy is before purchase
How matchup pages work
Our head-to-head comparison pages (for example, Airalo vs Holafly) place two providers side by side across every rubric feature. We show the raw score for each feature, highlight where one provider leads, and summarize the trade-offs in plain language. We do not declare an overall leader when the margin is within half a point, because at that range personal preferences (price vs coverage, app quality vs support) matter more than aggregate scores.
Neutral evaluation standards
No provider can pay for a higher score or preferred placement in our comparison tables. We purchase all plans with our own funds and do not accept free review units. Affiliate commissions fund the research, but commission rates have no bearing on scores. When we update a score, we publish the date and reason for the change.
Update schedule
Pricing data: refreshed weekly by checking each provider's public storefront and recording the displayed plan price with a UTC timestamp. Feature audits: monthly re-assessment of app quality, support channels, and refund terms. Provider reviews and matchup pages: updated within 72 hours of any material change (new plan tiers, coverage expansion, app redesign, or policy update). Country-level comparison data is audited quarterly against live provider catalogs.
Data sources and verification
Plan pricing is sourced directly from each provider's official website or app. Network quality references come from OpenSignal coverage reports and carrier-published technology maps. App store ratings are drawn from the Apple App Store and Google Play Store at the time of each monthly audit. Support response times are measured using identical test tickets submitted to each provider's primary support channel. Data consumption benchmarks (used in plan sizing tools) reference Ericsson Mobility Reports and controlled device measurements.
Methodology last verified:
Correction policy
When we find a scoring error or stale data point, we correct it within 24 hours and note the change date on the affected page. Reader-reported inaccuracies are verified against the provider's current storefront within one business day. Confirmed corrections are published with an attribution note. Historical scores are retained in our internal audit log.
For background on our team and editorial principles, see our about page.
Score rubric
Score definitions by dimension
Each provider receives a 1-5 score per dimension. The table below defines what each score means in concrete terms.
| Score | Coverage | Speed | App | Pricing | Support |
|---|---|---|---|---|---|
| 5 | 200+ countries | 100+ Mbps avg | 4.8+ store rating | <$3/GB | <2hr response + chat |
| 4 | 150-199 countries | 50-99 Mbps avg | 4.5-4.7 rating | $3-4/GB | <6hr + chat |
| 3 | 100-149 countries | 20-49 Mbps avg | 4.0-4.4 rating | $4-5/GB | <12hr email |
| 2 | 50-99 countries | 10-19 Mbps avg | 3.5-3.9 rating | $5-7/GB | <24hr email |
| 1 | <50 countries | <10 Mbps avg | <3.5 rating | >$7/GB | >24hr email only |
Worked example
How scores produce a ranking: Japan
Equal-weight calculation using each provider's dimension scores. All five dimensions weighted at 0.20.
| Provider | Coverage (0.20) | Speed (0.20) | App (0.20) | Pricing (0.20) | Support (0.20) | Total |
|---|---|---|---|---|---|---|
| HelloRoam | 4.5 | 4.3 | 4.2 | 4.4 | 4.1 | 4.30 |
| Airalo | 4.9 | 4.4 | 4.7 | 4.1 | 4.2 | 4.45 |
| Holafly | 4.3 | 4.2 | 4.1 | 4.5 | 4.7 | 4.35 |
| Nomad | 3.9 | 4.3 | 3.9 | 4.8 | 3.9 | 4.15 |
| Saily | 4.0 | 4.4 | 4.5 | 4.0 | 4.1 | 4.20 |
The weighted total determines ranking order. For Japan, every provider uses a Tier-1 local carrier (SoftBank, NTT Docomo, KDDI au), so speed scores cluster tightly. The ranking spread comes from coverage breadth, pricing structure, and app quality.
The same formula applies to every country page. When two providers score within 0.10 points, we note the margin as negligible and list both as strong options rather than declaring a single leader.