Kolet eSIM – Review & Full Test 2026

🌍

Countries covered

190 countries

💶

Starting at

3,99 €

📶

Network

5G

📊

Data

1 GB – 20GB

❌

Calls/SMS

No

📱

App

iOS & Android

Coverage of 190+ countries with focus on affordable data from €3.99.

Ultra-simple installation via app, dual-SIM compatible.

Unused data reusable on future trips.

Responsive support within minutes, multi-language.

Data sharing and hotspot allowed for groups.

Official ratings

Destinations & coverage

Kolet covers over 190 countries with local or regional plans (Europe, Africa etc.), reliable data for all travel types.

By region

Key points

✅

Advantages

  • ✓ Intuitive app with tutorials and activation in 2 minutes.
  • ✓ Transparent pricing with no subscription or hidden fees.
  • ✓ Leftover data reuse in 'coins' for next trips.
  • ✓ Excellent and fast customer support according to reviews.
  • ✓ Works with physical SIM for preserved calls.
  • ✓ Reliable coverage on premium local networks.
⚠️

Disadvantages

  • ✗ No native calls/SMS (VoIP only).
  • ✗ Plans limited to 20GB max, no unlimited.
  • ✗ Some manual activations required on old devices.
  • ✗ Few regional plans outside Europe.
  • ✗ Currency in EUR/USD only.

Customer reviews

App Store

4/5

“

Kolet recommended by colleague: perfect service after struggles with competitors. Support stays until resolution, fast data in Europe.

November 1, 2025

Google Play

4/5

“

Excellent coverage at beaches, smooth app and instant support. Loyal for all my future eSIMs.

October 1, 2025

App Store

5/5

“

Free KLM activation flawless after chat help. Fast data for Maps and web, highly recommended.

September 1, 2025

Description

Kolet, a French eSIM specialist launched in 2024, offers instant mobile internet connectivity for travelers in 190+ countries starting at €3.99 for 1GB. Keep your physical SIM for calls/SMS and activate the Kolet eSIM for reliable local data in 4G/5G on top partner networks. The intuitive app allows purchase, QR code or auto installation, real-time usage tracking, hotspot sharing, and easy top-up. Ideal for city trips, road trips, or digital nomads seeking simplicity, transparency, and savings on exorbitant roaming.

How it works

Install from the App Store or Google Play on an eSIM-compatible and unlocked device.

Sign up via email or third-party account, check promo if available.

Select country/region, data volume (1-20GB) and suitable duration.

Pay via card or wallet, receive eSIM instantly.

Use auto installation, QR code or activation code in the app (internet connection required).

In phone settings, select Kolet eSIM, activate data and roaming.

Monitor in real time in the app, recharge if needed.

⚠️ If it fails

✅ Check device compatibility (iPhone13+, Galaxy S20+ etc.), stable connection and carrier unlocked. Contact in-app chat.

✅ Toggle airplane mode on/off, select Kolet eSIM for data, restart. Check activation post-arrival.

✅ Disable auto-updates/updates, limit HD streaming. Track via Kolet app.

Alternatives

FAQ

Opt for a regional Europe plan 5-10GB for 30 days, ideal for city trips with GPS, social networks and maps, from ~€15.

Yes, tethering/hotspot is allowed to share with friends/family, check local partner network limits.

Yes if eSIM and unlocked: iPhone XS+, Samsung S20+, Pixel 4+, etc. Check list on kolet.com or app.

Yes, unused are converted into 'coins' for future purchases or trips, via the app.

Satisfaction guaranteed: refunded if device incompatible or technical issue, contact fast support.

In real time in the Kolet app, with alerts and a data simulator to estimate needs.

No currently, max 20GB per plan, but easy top-up and reusable data.

Company info

Legal name: Kolet SAS

Founders: Eduardo Ronzano, Anne Carole Coen, Jeremy Gotteland, Mehdi Chraibi

Email: [email protected]

Website: https://www.kolet.com

Support

24/7

chat, email, in-app

Avg. response: minutes

Accepted payments

Visa, Mastercard, Apple Pay, Google Pay

Platforms

iOS app, Android app, Web

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