Kolet eSIM – Review & Full Test 2026

🌍

Countries covered

190 countries

💶

Starting at

1,50 €

📶

Network

5G

📊

Data

Starting at 1 GB

✅

Calls/SMS

Yes

Coverage in 190 countries with top local networks and prices from €3.99.

Keep unused data as Koins for future trips.

Ultra-fast activation and responsive 24/7 customer support.

Flying Blue/Air France-KLM integration for miles.

Easy data sharing with close contacts.

Official ratings

Destinations & coverage

By region

Key points

✅

Advantages

  • ✓ 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).
⚠️

Disadvantages

  • ✗ 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.

Customer reviews

✓ Verified traveler

5/5

“

Initial issue in Belgrade resolved late at night by excellent support, despite €60 initial out-of-plan charges.

February 1, 2026

App Store

5/5

“

Initial glitch quickly fixed by support before flight, seen via Air France.

March 1, 2026

Google Play

5/5

“

Excellent value for money, unused data kept, good overseas connection.

March 1, 2026

Description

Kolet revolutionizes travel with its data-only eSIMs covering 190 global destinations, starting at €1.5/GB with no commitment or hidden fees. The intuitive app allows fast digital installation, real-time tracking, easy top-ups, and conversion of unused data (>1GB) into Koins for future use. Share GB with your loved ones, integrate Flying Blue, and enjoy premium 4G/5G networks. Perfect for business travelers, digital nomads, and families avoiding costly roaming.

How it works

Install from App Store or Google Play on eSIM-compatible device (iOS 15.1+).

Sign up by email or via Flying Blue if applicable.

Select country/region among 190 covered.

Choose data/duration (e.g. 1GB-30 days from €3.99), apply code KOLET10.

Follow app instructions for QR code or direct install.

At destination, activate eSIM, allow data roaming, track usage.

Add data via app and convert unused into Koins.

⚠️ If it fails

✅ Check compatibility via app test, stable WiFi connection. Contact 24/7 chat support.

✅ Toggle airplane mode on/off, select Kolet eSIM for data, restart. Check local network.

✅ Disable auto-updates, limit apps. Enable app notifications for alerts.

✅ Buy new country plan, keep old in Koins if >1GB. Contact support.

Alternatives

FAQ

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.

Company info

Legal name: Kolet SAS

Address: Paris, France

Email: [email protected]

Website: https://kolet.com

Support

24/7

Accepted payments

Visa, Mastercard, American Express, Apple Pay, Google Pay, PayPal

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