AeroSims Review 2026 - Is AeroSims's eSIM reliable?
At a glance
Reviews & ratings
Pros & cons
👍 What we like
- ✓Wide international coverage with local, regional, global and city plans.
- ✓Fast digital activation via QR code sent by email.
- ✓Tethering included on all plans.
- ✓30-day refund guarantee for an uninstalled eSIM.
- ✓Support available 24/7 via assistant and email.
- ✓Ability to add data or extend some plans from the personal account.
👎 What we like less
- ✗eSIMs are data-only and do not include calls or classic SMS.
- ✗Unlimited plans may suffer speed reduction after very heavy daily use.
- ✗Compatibility depends on an eSIM-capable and unlocked device.
- ✗Quality and speed depend on local partner networks.
- ✗Installed eSIMs are generally non-refundable unless a technical issue is unresolved.
What is AeroSims?
What is AeroSims?
AeroSims is a Swiss travel eSIM provider based in Zurich. Its eSIM cards are digital, data-only, and allow connection to local networks without buying or replacing a physical SIM card. The regular SIM can remain active for calls and SMS. The provider sells unlimited daily plans in 191 countries, data plans from 3 to 300 GB in 191 countries and territories, as well as regional, global and city offers. After payment, a QR code is sent by email and can be installed before departure on a compatible and unlocked phone. Unlimited plans are subject to a fair use policy by local operators: after very heavy use during the day, speeds may be reduced until the next day. Tethering is included on all plans.
Plans overview
Destinations covered by AeroSims
Coverage broken down by region. Tap a region to see its countries.
Our verdict
AeroSims is a Swiss travel eSIM provider based in Zurich. It offers unlimited plans or data bundles in 180 to 191 countries, with activation via QR code, tethering included and support available 24/7.
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Frequently asked questions
No, AeroSims is not a scam: it is a reliable, well-known eSIM with a 3.6/5 rating in our test, coverage across 191 destinations and access to local 4G/5G networks (speed depends on local coverage). Just make sure your phone is eSIM-compatible before buying.
AeroSims covers more than 191 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: eSIMs are data-only and do not include calls or classic SMS, Unlimited plans may suffer speed reduction after very heavy daily use, Compatibility depends on an eSIM-capable and unlocked device, Quality and speed depend on local partner networks and Installed eSIMs are generally non-refundable unless a technical issue is unresolved.
It depends on your destination and budget: AeroSims scores 3.6/5 in our test, but the best value changes by country. Compare current deals in our comparator before choosing.
Choose a daily unlimited plan if you use a lot of data or want to avoid monitoring your consumption. For light use like maps, messaging and browsing, a fixed data plan may be more economical.
Yes, tethering is included on all AeroSims plans at no extra cost.
No. AeroSims eSIMs are data-only. Your regular SIM remains active for calls and SMS, while WhatsApp, FaceTime, Signal or Telegram can be used with the data connection.
Most phones released after 2019 are compatible if they support eSIM and are unlocked. Devices mentioned include iPhone XR and later, Samsung Galaxy S20 and later, Google Pixel 3 and later, OnePlus 12 and the Motorola Razr series.
Validity starts when the eSIM connects for the first time to a network in the destination, not at the moment of purchase or installation.
Yes, an eSIM that has not been installed can be fully refunded within 30 days of purchase. An installed eSIM can be refunded if a technical problem cannot be resolved by support.
Often yes. From the personal account linked to the delivery email, you can sometimes add data to a data plan or add days to an active unlimited plan.
No. Each eSIM is linked to a single device. To connect a computer, tablet or another person, use the phone's tethering.
What to do if AeroSims doesn't work?
Check that the phone is compatible with eSIM, unlocked and connected to the Internet. Display the QR code on another screen or contact [email protected] with your order number.
Select AeroSims for mobile data, enable data roaming, disable then re-enable Airplane mode and restart the device if needed.
A fair use policy may temporarily reduce speed after very heavy daily use. Normal speed returns the next day.
Check in your personal account if a top-up is available. Otherwise, buy a new plan and install it on the same phone.