Kolet Review 2026 - Is Kolet's eSIM reliable?
At a glance
Reviews & ratings
Initial issue in Belgrade resolved late at night by excellent support, despite €60 initial out-of-plan charges.
Initial glitch quickly fixed by support before flight, seen via Air France.
Excellent value for money, unused data kept, good overseas connection.
Pros & cons
👍 What we like
- ✓Competitive prices from €1.5/GB without roaming.
- ✓Intuitive app interface and guided installation.
- ✓Highly appreciated 24/7 human customer support.
- ✓Koins feature to not lose unused data.
- ✓Airline partnerships (Flying Blue).
👎 What we like less
- ✗Some complaints about initial activation in rare cases.
- ✗Changing countries sometimes problematic.
- ✗Not always cheaper than locals for long stays.
- ✗Mainly data only, calls secondary.
What is Kolet?
What is Kolet?
Kolet is a data eSIM provider for travelers, enabling instant internet connection in over 190 countries without a physical SIM. The eSIM installs digitally via the app in under 2 minutes, offering 4G/5G data on the best local networks.
Plans include local, regional, and global options, with durations up to 365 days, easy top-ups, and a unique feature allowing unused data to be kept as credits (Koins). No primary calls/SMS but international calls possible; hotspot allowed.
Management via iOS/Android/web app: live tracking, data sharing, 24/7 human chat support.
Plans overview
Countries covered by Kolet
Coverage broken down by region. Tap a region to see its countries.
Our verdict
Kolet is the ideal eSIM solution for travelers seeking a simple and affordable connection in 190 countries. Activate in 2 minutes, keep your unused data, and benefit from responsive 24/7 support.
Popular alternatives
Frequently asked questions
No, Kolet is not a scam: it is a reliable, well-known eSIM with a 4.7/5 rating in our test and access to local 4G/5G networks (speed depends on local coverage). Just make sure your phone is eSIM-compatible before buying.
Kolet covers many 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: Some complaints about initial activation in rare cases, Changing countries sometimes problematic, Not always cheaper than locals for long stays and Mainly data only, calls secondary.
It depends on your destination and budget: Kolet scores 4.7/5 in our test, but the best value changes by country. Compare current deals in our comparator before choosing.
Opt for the multi-country Europe plan (e.g. 5-10GB/30 days from ~€15), keep data in Koins for flexibility.
Yes, tethering/hotspot is allowed on most plans and devices.
Test via app/site: iOS 15.1+, recent eSIM Android (Pixel, Galaxy S20+).
Convert >1GB into Koins for future purchases, unique to Kolet.
Satisfaction guarantee or money back, but check conditions; fast support for issues.
Yes, Air France-KLM Flying Blue integration for certain purchases.
Via app, send GB to close ones in seconds.