YaySIM Review 2026 - Is YaySIM's eSIM reliable?
At a glance
Reviews & ratings
Activation was very simple and Internet connection worked reliably throughout the trip. Very satisfied with the experience.
Second purchase with YaySIM. The process is fast, simple, and hassle-free. An experience fully deserving of the highest rating.
Stable connection, easy activation, and reliable service during holidays abroad.
Pros & cons
👍 What we like
- ✓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.
👎 What we like less
- ✗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.
What is YaySIM?
What is YaySIM?
YaySIM is an eSIM provider for travelers allowing access to mobile Internet in more than 170 destinations without replacing the physical SIM card. The eSIM can be installed before departure and activates upon arrival at the destination
Plans overview
Destinations covered by YaySIM
Coverage broken down by region. Tap a region to see its countries.
Our verdict
YaySIM is a specialized eSIM provider for travelers. It allows installing an eSIM up to 180 days before departure, without app or QR code on compatible iPhones, then simply activating it upon arrival in over 170 destinations.
Popular alternatives
Frequently asked questions
No, YaySIM is not a scam: it is a reliable, well-known eSIM with a 4.2/5 rating in our test, coverage across 170 destinations and access to local 4G/5G networks (speed depends on local coverage). Just make sure your phone is eSIM-compatible before buying.
YaySIM covers more than 170 destinations. Availability and network quality depend on the destination and the local partner operator: check that your travel country is covered before buying.
The main downsides we found in our test: Calls and SMS are not included with data plans, Requires a compatible eSIM smartphone, Network performance depends on the mobile partner in each country and The number of customer reviews is still limited compared to major eSIM providers.
It depends on your destination and budget: YaySIM scores 4.2/5 in our test, but the best value changes by country. Compare current deals in our comparator before choosing.
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.
What to do if YaySIM doesn't work?
Check that your smartphone is eSIM compatible and not locked by an operator. Also ensure a stable Wi-Fi connection during installation and follow the instructions received after purchase. If the problem persists, contact YaySIM support.
Check that the YaySIM eSIM is selected as the mobile data line, enable data roaming, leave network selection on automatic mode, then restart your phone if necessary. The first connection may take a few minutes.
Performance depends on the available partner network in your area. Try toggling airplane mode on and off, restarting your phone, or leaving network selection on automatic mode to get the best available connection.