YaySIM eSIM – Review & Full Test 2026

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Countries covered

170 countries

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Starting at

3,99 €

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Network

5G

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Data

1 GB – Illimité

Calls/SMS

No

Available in over 170 destinations.

Installation up to 180 days before departure.

Automatic activation upon arrival at destination.

Data plans from 1 GB to unlimited depending on destinations.

Compatible with 4G LTE and 5G networks when available.

No physical SIM card required, 100% digital installation.

Official ratings

Destinations & coverage

By region

Key points

Advantages

  • Installation possible up to 180 days before departure.
  • Simple activation upon arrival, no physical SIM card.
  • More than 170 destinations covered with regional and local plans.
  • Simple purchase interface and fast activation, often praised by users.
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Disadvantages

  • Calls and SMS are not included with data plans.
  • Requires a compatible eSIM smartphone.
  • Network performance depends on the mobile partner in each country.
  • The number of customer reviews is still limited compared to major eSIM providers.

Customer reviews

5/5

Activation was very simple and Internet connection worked reliably throughout the trip. Very satisfied with the experience.

December 1, 2025

5/5

Second purchase with YaySIM. The process is fast, simple, and hassle-free. An experience fully deserving of the highest rating.

July 1, 2025

5/5

Stable connection, easy activation, and reliable service during holidays abroad.

December 1, 2025

Description

YaySIM is an eSIM provider designed to simplify Internet connection abroad. Compatible with over 170 destinations, it allows purchasing and installing an eSIM up to 180 days before travel to be connected upon arrival. Installation is done directly on compatible iPhones, without any additional app or QR code. Plans are offered for many destinations and regions with data volumes suited to different needs. YaySIM focuses on a simple, fast, and fully digital experience, avoiding roaming fees and purchasing a physical SIM card.

How it works

Select the country or region of your trip, then choose the eSIM plan adapted to your data needs.

Complete your order online and immediately receive your eSIM. You can install it up to 180 days before your departure.

Install your eSIM directly on your compatible smartphone. No physical SIM card or additional app is needed on compatible iPhones.

Keep your eSIM installed before departure. It will be ready to use when you arrive at your destination.

Upon arrival, disable airplane mode (and enable mobile data if necessary). Your eSIM will automatically connect to the partner network and you will be able to access the Internet.

Alternatives

FAQ

Depending on the selected plan, activation occurs automatically when the specified conditions are met. For most travel eSIMs, the plan starts at first connection to a compatible network in the covered destination.

Yes. YaySIM allows installing your eSIM up to 180 days before departure so that it is ready to use upon arrival.

No. YaySIM plans are mainly mobile data plans. Calls via WhatsApp, FaceTime, Telegram or other apps work thanks to the Internet connection.

You must have a compatible eSIM smartphone that is not locked by an operator before purchasing a YaySIM plan.

Check that the eSIM is selected for mobile data, enable data roaming, leave network selection on automatic, then restart your phone if necessary.

Company info

Legal name: YaySIM

Address: Berlin, Allemagne

Email: [email protected]

Website: https://yaysim.com

Support

Email

Accepted payments

Visa, Mastercard, Apple Pay, Google Pay

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