The OpenSim journal

eSIM Research

Page 4

Original studies with downloadable data about travel connectivity, roaming costs and eSIM pricing.

More esim research

Six of eight Europe travel eSIM offers publish both the high-speed allowance and the speed that follows

Travel eSIM Throttle Index: What 8 Europe Plans Give You Before Speeds Drop

See the high-speed allowance, throttled speed, reset timing and hotspot rule published for eight Europe travel eSIM plans, with CSV data.

12 Aug 2026

All ten travel eSIM providers publish a hotspot answer, but only two publish the allowance rule

eSIM Research

Travel eSIM Hotspot Index: What 10 Providers Tell Laptop Users

We checked 10 travel eSIM providers for hotspot permission, plan scope, sharing limits, iPhone and Android setup, and troubleshooting. Explore the CSV.

11 Aug 2026

Ten of ten hotel brands publish a base Wi-Fi promise, but none publishes a numeric standard-tier speed

eSIM Research

Hotel Wi-Fi Disclosure Index: What 10 Hotel Brands Tell Guests Before Booking

We checked 10 hotel brands for free Wi-Fi, booking conditions, premium tiers, device limits, numeric speed and exceptions. Explore the CSV.

10 Aug 2026

Ten travel eSIM providers use three validity-start patterns: four supported-network rules, one selected-date rule and five plan-dependent rules

eSIM Research

Travel eSIM Activation Clock Index: When 10 Providers Start the Validity Countdown

See when 10 travel eSIM providers start plan validity, whether purchase or installation can start it, and how long an unused plan can wait.

7 Aug 2026

Four of ten travel eSIM providers publish how quickly their provider meter updates, while Roaming eSIM and Ubigi claim real-time tracking

eSIM Research

Travel eSIM Data Tracking Index: How 10 Providers Show Your Remaining Data

See how 10 travel eSIM providers publish remaining data, expiry, app and web access, low-data alerts, update timing and usage records.

7 Aug 2026

Five of ten travel eSIM providers keep a stated refund path after installation when no data has been used

eSIM Research

Travel eSIM Refund Index: What 10 Providers Promise Before and After Activation

Compare what 10 travel eSIM refund policies promise for unused plans, installation, incompatible phones, technical failures and partial use.

7 Aug 2026

Four of ten sampled travel eSIM providers publish a self-service path for moving an installed eSIM to a new phone

eSIM Research

Travel eSIM Transfer Index: Can You Move It to a New Phone or Reinstall It?

See which of 10 travel eSIM providers let you reinstall or move an eSIM to a new phone, with first-party sources and downloadable data.

7 Aug 2026

Eight of ten sampled travel eSIM providers name a local carrier before checkout, while every audited Roaming eSIM package observation names an operator

eSIM Research

Travel eSIM Network Disclosure Index: Can You See the Local Carrier Before You Buy?

See whether 10 travel eSIM providers name the local carrier before checkout, with a 222-destination Roaming eSIM audit and downloadable data.

6 Aug 2026

Only one of ten Apple labels reports neither tracking nor data linked to the user

eSIM Research

Travel eSIM App Privacy Index: What 10 iPhone Apps Say They Collect

Compare Apple privacy labels for 10 travel eSIM apps, including tracking, linked data, precise location, sources and a downloadable dataset.

5 Aug 2026