Without an eSIM for Switzerland, you’re disconnected from the rest of the world. While you can always roam or buy a Swiss SIM, it makes little sense due to the price and inconvenience. However, the best eSIM for Switzerland is the polar opposite. Easy to set up, cheap, and with 5G data, it’s bar none, the best workaround.
Here’s the thing most travelers miss: Switzerland is not in the EU, so the roam-like-at-home rules that protect you in France, Italy or Germany simply stop at the border. Your bundle does not follow you in. Out of the 20 eSIMs we retested in Bern and Zurich, we selected 5 with the best coverage, reliable speeds, and low-cost Swiss eSIM plans in 2026.

Best eSIM for Switzerland Ranked
Best eSIM for Switzerland: Prices, Networks and Data Compared
Everything that matters, before the detailed reviews:
| eSIM | Best for | Starting price | Unlimited data | Network | Calls & SMS | Promo code |
|---|---|---|---|---|---|---|
| Ubigi | Best overall | $6.50 / 3 GB / 30 days | From $24 / 7 days | 4G/5G | N/A | GIZMODO (-10% first order) |
| Saily | Security and travel perks | $3.99 / 1 GB / 7 days | From $34.99 / 10 days | Mostly 5G | N/A | GIZMODO (-15% all plans) |
| Holafly | Unlimited data, widest coverage | $3.90 / day | Every plan (from $3.90) | Swisscom + Salt + Sunrise | N/A | N/A |
| Airalo | Data sharing and flexibility | $4 / 1 GB / 3 days | From $10.50 / 3 days | 4G only | N/A | N/A |
| aloSIM | Calls and texting | $4.50 / 1 GB / 7 days | $35 / 10 days | Sunrise + Salt | Yes, international number | N/A |
Best eSIM for Switzerland: 5 Top Choices for Travelers
Travelers and digital nomads, you’re not alone. We often travel and test eSIMs, and know fairly well what it’s like to be stranded without internet data on foreign soil. We compared all five on price, data allowances, network access, tethering and plan length. Here’s what we found.
1. Ubigi

Pros
- Best value for money
- Smart IP feature
- Reliable coverage
- 24/7 support
- Affordable for long stays
Con
- No local phone number
Ubigi takes the #1 spot. It’s one of the most popular eSIM providers, offering one-off, monthly, and annual plans for Switzerland. Its cheapest plan is $6.5 for 3 GB of data, but our favorite remains the unlimited plan at $24 for 7 days. Longer stays stay affordable, and the same plan for 30 days is $59, the cheapest unlimited month of the five.
Ubigi is characterized by extensive 4G and 5G coverage, with impressive speeds, connection stability, and overall reliability. In our latest tests, we enjoyed VoIP calls and played games without lag or buffering. Ubigi also encrypts your connection, so browsing stays secure. Another perk is unlimited data sharing.
We found this handy for group travel, since everyone can rely on a single eSIM for Switzerland. Ubigi’s setup is straightforward, with a QR code that you scan to make it work. As the best Swiss eSIM, it also features 24/7 live chat support. The one complaint we hear is the lack of local phone numbers for calling and SMS.
That’s a small price to pay given Ubigi’s overall performance and its unlimited 4G/5G allowance. And don’t forget the 10% discount on your first purchase with the promo code GIZMODO, which makes an already cheap eSIM cheaper still.
2. Saily

Pros
- Cheap for short stays
- Airport lounge access in the app
- Bonus security features
- Fast 5G connections
- Data usage tracking
Con
- Pricier for long stays
Saily starts at only $3.99 for 7 days, for 1 GB of data, which is the cheapest way onto a Swiss network. It’s ideal for short stays and comes with security features nobody else bundles. You get an ad blocker and a virtual location, and the Ultra plan adds NordVPN, NordLocker, NordPass and Incogni.
The best-value eSIM for Switzerland from Saily is the 10 GB option for 30 days at $22.99. Unlimited data starts at $34.99 for 10 days, though Ubigi is cheaper over a month. Saily is known for its speed and coverage, relying almost exclusively on 5G here, which makes calling, chatting and gaming buttery-smooth.
Saily has moved fast in 2026. The app now sells airport lounge access and fast-track security passes directly at checkout, with no subscription required, which is worth knowing if you’re connecting through Zurich. It also added an optional US phone number in +1. The company was named “Rising Star” at the MVNOs World Congress in Amsterdam in June 2026.
We love Saily’s 30-day activation period, which lets you pre-purchase the eSIM and activate it on arrival. Unlimited data sharing is included, and you can track consumption in the app. Overall Saily is a little pricier than Ubigi on long stays, and like its rival, it has no local Swiss number. Current deals are on our Saily promo code page.
Tip: Through Gizmodo, you can save 15% on all Saily plans by using the promo code GIZMODO at checkout.
3. Holafly

Pros
- Access to all three Swiss networks
- Unlimited data on every plan
- Automatic activation
- 24/7 support
Cons
- Data sharing limit (500 MB/day)
- Expensive over a long stay
Holafly is an eSIM for Switzerland with unlimited data from $3.90 for one day. It’s also the only provider here that reaches all three Swiss operators, Swisscom, Salt and Sunrise, so your phone takes whichever signal is strongest. In a country where you spend half your time in valleys and on mountain passes, that’s a genuine advantage rather than a marketing line, and it’s the same reason multi-network access matters in the best eSIM for Montenegro comparison.
The catch is cost over time. Fifteen days of unlimited data is $50.90, while Ubigi charges $42 for the same thing. Holafly remains a trusted Swiss eSIM for its reliability and seamless setup, and your plan activates automatically when you arrive.
We love Holafly’s 24/7 live chat support, frankly the best we tested. It also supports Apple Pay, Google Pay and PayPal, so you can buy it from anywhere. The real letdown is that data sharing is capped at 500 MB per day, and the cap hasn’t moved in 2026.
4. Airalo

Pros
- Unlimited data sharing
- Flexible plans
- Effortless activation
Cons
- Slow customer support
- No calling or texting
Next up is Airalo, one of the top eSIMs for France, Switzerland, and the rest of Europe. Airalo offers unlimited data sharing and cheap plans starting at $4 for 1 GB of data for 3 days. Even unlimited plans are affordable, at $10.5, $17, and $24 for 3, 5, and 7 days, rising to $69.5 for 30 days.
Airalo is fast and reliable, but it still relies only on 4G data in 2026, which isn’t as quick as the 5G you get from Ubigi and Saily. It performed well in our tests for Netflix, VoIP apps and casual browsing. Activation is easy and the app tracks consumption.
Airalo’s flexible plans make it good for both short and long stays. Our only real gripe is customer support, which remains the slowest of the five. Airalo sells phone number plans in other countries, but not in Switzerland.
5. aloSIM

Pros
- International phone number
- LTE & 5G data
- Regional/global plans
Cons
- Not the fastest
- Higher price
aloSIM is the only eSIM for Switzerland here with an international phone number for calling and texting, which sets it apart from the other four. You still have to top up your minutes and messages, but the option exists when you need it. aloSIM uses LTE and 5G data from Sunrise and Salt.
It’s reasonably fast, though a step behind Ubigi and Saily. Plans start at $4.50 for 7 days for 1 GB of data. Unlimited data is locked to 10 days and costs $35, while 20 GB for 30 days costs $36. aloSIM isn’t the cheapest, but it’s dependable and it dodges Swiss roaming charges just as well.
It also includes regional and global plans at a low price, both covering Switzerland alongside many other countries. aloSIM has 24/7 support, apps for iOS and Android, and a business eSIM for companies that travel often. That’s why it’s also a worthy eSIM for international travel.
How to Know if Your Phone Supports eSIMs?
The easiest way to see if your phone is compatible with an eSIM for Switzerland is to check on the provider’s website. Ubigi, Saily, and the others have a compatibility checker where you type in your phone model and see if it’s supported. Below is Saily’s, as an example:

We used the S25 FE, which Saily supported. Another method is to open Settings on your phone and look for the option to add an eSIM manually. Either way, if your chosen eSIM for Switzerland has no compatibility checker, you can simply ask its customer support.
They’ll tell you quickly whether your phone works. If it doesn’t, and you’re not planning to upgrade, you can always buy a physical SIM card once you arrive, though it’s rarely the best course of action.
The Final Verdict
The best eSIM for Switzerland is Ubigi because it has virtually no downsides. Superb 4G and 5G coverage, low prices, flexible plans, and the cheapest unlimited month at $59. Saily is the one that has changed most this year, adding lounge access and travel perks on top of its security tools, and it’s the cheapest way in at $3.99.
Holafly is the coverage specialist, and the only provider reaching all three Swiss networks, though the 500 MB tethering cap holds it back. Airalo is the data-sharing machine, and aloSIM is the only pick with a phone number for calls and texts.
All five were tested by our team and proved reliable. The final choice comes down to your data needs, your trip length, and what you’re willing to spend. So either snatch Ubigi at 10% off or explore the other four.
Frequently Asked Questions
What's the best cheap eSIM for Switzerland?
The best cheap eSIM for Switzerland is Ubigi, as an affordable pick overall. It's not the least expensive, but its packages have the best value for money. As for the cheapest pick, that's Holafly and its $3.90 price tag for unlimited data for a day. However, it's expensive for longer stays, in which case, Ubigi is more affordable.
How is eSIM better than a physical SIM?
In many ways, the main advantages are convenience, reliability, and practicality. A good eSIM is installed without swapping out your old SIM, and it works just as well as a physical SIM card in terms of reliability and speed. It's also practical because you don't need to carry it with you, and thus, you can't lose it.
Not to mention that an eSIM can be regional or global. For instance, there are eSIM plans for Asia, which cover more countries on a single plan. You can't buy a physical SIM card that works in multiple countries without roaming fees.
How much internet data does an eSIM offer?
The range goes from 1 GB to unlimited, depending on the plan. 1 GB is typically the cheapest option, but unlimited data is good if you plan a longer trip.