I used a Kolet e-sim (USA) twice in the past year. It is super easy to install and worked immediately upon arrival which the touch of a few buttons. The remaining data from my first e-sim was conver... See more
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Review summary
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Amazing app, it has all the features that any travel might need - unlimited plans and data plans and you can convert whatever you don t consume for a future trip. Not to say their customer care team... See more
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Was given complimentary data with a Corendon flight to Turkey and was very useful when I first arrived. Have since purchase more data and at a really good price. There are lots of esims but many don't... See more
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It was the first time I have used the e sim function on the mobile. Air France provided a 2 day trial of Kolet whom I had never heard of before. Wonderful discovery as it made communication in Switze... See more
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Company details
About Kolet
Written by the company
Travel smarter with Kolet eSIM
Stay connected in 190 destinations with one travel eSIM. Activate in less than 2 minutes, avoid roaming fees, and get online as soon as you land.
Kolet makes mobile data abroad simple: install once, use across trips, top up anytime.
190 destinations • No hidden fees • Plans from €3.99 • 24/7 support
Why travelers choose Kolet
- One eSIM for 190 destinations
- No roaming charges or hidden fees
- Unused data rollover for future trips
- Real-time data tracking in app
- Transfer data to friends and family in seconds
- 24/7 support from real people
How it works
- Download Kolet app
- Choose plan for your destination
- Install your eSIM
- Activate on arrival and connect instantly
Popular destinations
Learn more at kolet.com.
Contact info
Paris, France
- help@kolet.com
- kolet.com
Welcome offer
4.7
Excellent
2K reviews
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Reply from Kolet
Glad to hear the connection feels solid and the speed is high 🚀. If you ever need anything, our support is just a tap away 🤝.
Reply from Kolet
Thanks for sharing how smooth the experience was! We're glad you found the app very good and easy to use. Enjoy your travels and keep the connection going 🌐🏞.
Used it in Mexico for 3 weeks
Used it in Mexico for 3 weeks, always had signal and good download speeds.
10 August 2026
Reply from Kolet
Great to hear you enjoyed reliable signal throughout your 3-week stay in Mexico. It's awesome that the download speeds kept up with your needs. Happy travels! 🌊🚁
Everything worked fine
Everything worked fine, will keep using Kolet when I leave the EU. Very user-friendly, with an option to turn unused data into future credits.
15 August 2026
Reply from Kolet
Happy to hear everything worked fine and you find the app user‑friendly. It’s great you noticed the option to turn unused data into future credits 📡. Safe travels when you leave the EU and enjoy the seamless connection next time! 🎒
Reply from Kolet
We’re sorry to hear that you haven’t received a response after taking the time to provide all the details.
We’ve reached out to you privately again because we want to make sure your case receives the attention it deserves. We hope to have the opportunity to resolve this for you and provide a much better support experience.
Reply from Kolet
Awesome to see the network felt so fast! 🌍 Thanks for sharing your quick experience.
Good and reliable service 5*
10 August 2026
Reply from Kolet
Glad you found the service good and reliable. Enjoy staying connected wherever you roam 🧳📶.
Reply from Kolet
Glad the setup was a breeze for you. It’s great to hear you’re happy with the rates. If you still have unused data, just open the Kolet app, locate the plan and tap the three dots (⋯) to convert it into credits. Enjoy the flexibility and happy travels! 🌏🧭
Reply from Kolet
Glad you could enjoy free connectivity right after landing. It's wonderful to hear everything worked seamlessly for you! 💛🛰️
Worked great in USA
Worked great in USA. got a 2 day free trial from KLM. Would definitely buy when I travel outside Europe or if run out of data in Europe
25 August 2026
Reply from Kolet
Great to hear the connection worked well in the USA! Enjoying the 2-day free trial from KLM is a nice way to start. We'll be ready whenever you travel outside Europe or need extra data back home 🌍✈️.
Excellent customer service
Excellent customer service !
Easy to reach and prompt problem solving.
25 July 2026
Reply from Kolet
Glad to hear our team was easy to reach. Your prompt problem solving feedback makes us smile. Thanks for sharing your experience! 🌟
Easy to use but not the best prices
Really great to have a free trial as part of my flight booking. And very convenient. Easy to install and track usage but prices are higher than other providers
18 July 2026
Reply from Kolet
Thanks for the feedback! We're glad the free trial and easy installation made your trip smoother 🌍. We've recently lowered prices across many destinations, so hopefully the next plan will feel even better.
Not working very often while my family…
Not working very often while my family uses another provider which was more performant.
22 August 2026
Reply from Kolet
Thank you for sharing your feedback, and we're sorry to hear that the connection wasn't as consistent as you needed during your trip. We know that connection issues can be especially frustrating while traveling. We looked into your account and want to help sort this out — we've reached out to you directly with more details. 😊
Super easy to setup and to use
Super easy to setup and to use. Good connection overall.
18 August 2026
Reply from Kolet
Setting it up was a breeze for you 🌍. Your connection stayed strong overall 📶.
easy to install and use
20 August 2026
Reply from Kolet
Glad you found the installation smooth! The quick setup makes it a breeze to get online wherever you go. Let us know if you need any help. Happy travels! 🌍
I had good connection most of the time…
I had good connection most of the time in remote areas of Mongolia but my wife had less ability to connect.
23 August 2026
Reply from Kolet
Great that you had good connectivity in Mongolia’s remote areas. I’m sorry your wife experienced weaker signals, manually switching networks often helps. Our Customer Care is 24/7 and replies in under two minutes. Feel free to reach out if you need more assistance 🌍✈️.
Reply from Kolet
Thanks for finding Kolet easy and fair. It’s great to know the setup felt straightforward for you. We hope you keep enjoying seamless travel connectivity 🧳🤝.
Reply from Kolet
We're thrilled you loved it! Thanks for recommending us 🌍.
Connections in 3 different territories…
Connections in 3 different territories have been pretty easy and painless. No complaints
23 August 2026
Reply from Kolet
Glad you found switching between the three territories smooth! It’s great that everything was painless and you had no complaints. Enjoy your travels and keep us posted if anything comes up 😊.
I was unable to use my kolet esim in…
I was unable to use my kolet esim in the USA, and service was slow and poor in the UK.
Very disappointing
1 August 2026
Reply from Kolet
Thank you for the feedback, and sorry to hear about the trouble with the US and UK plans. We looked into your account and want to help sort this out — we've reached out to you directly with more details. 😊
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