The Smart Way for
German Travelers
to Stay Connected Abroad
Avoid expensive daily roaming fees from Deutsche Telekom, Vodafone DE, or O2 outside the EU. Get instant 5G/4G internet anywhere with Cellesim eSIM.
💳 Pay securely with German cards or Apple Pay. Your German SIM stays active for WhatsApp and Bank OTP verification (Sparkasse, Deutsche Bank).
出発前にWi-FiでeSIMをインストールしてください。プランの利用開始条件を確認しましょう。インストールと利用開始は同じとは限りません。通信速度は場所、端末、プランによって異なります。
Why German Travelers Switch to eSIM
Before Boarding
EU roaming benefits stop the moment you land in Turkey, Egypt, or the USA
プラン一覧でデータ容量、有効期間、プラン全体の料金を比較してください。購入前に対象エリア、テザリング、公正利用の条件を確認してください。
Don't waste holiday time in airport queues hunting for physical local SIM cards and showing your passport
Pocket Wi-Fi is an extra device to charge. Cellesim is 100% digital on your existing phone
Popular Plans for German Travelers
Choose your destination and get connected instantly.
Cellesim vs. German Carriers
Why pay for expensive Telekom or Vodafone roaming packs?
プラン一覧でデータ容量、有効期間、プラン全体の料金を比較してください。購入前に対象エリア、テザリング、公正利用の条件を確認してください。
Fair Comparison
Why Cellesim is the best choice for your journey
プラン一覧でデータ容量、有効期間、プラン全体の料金を比較してください。購入前に対象エリア、テザリング、公正利用の条件を確認してください。
How It Works
Choose Destination
Select the package that fits your itinerary from 200+ global options.
Install Before Departure
Scan the QR code and set up your profile using your home Wi-Fi in Germany.
Land & Connect
Land, switch data line to Cellesim, and you’re online instantly. No SIM swapping.
💡 Pro Tip: Install your eSIM 1–2 days before departure using your home or office Wi-Fi in Germany. Don’t wait until you land!
Smart Tools for Your Journey
Everything you need to prepare for a digital-first trip from Germany.
Is Cellesim Right for You?
Perfect if you:
- ✓ Traveling outside the EU (Turkey, Egypt, USA, etc.)
- ✓ Use apps like Sparkasse, DB, PayPal & WhatsApp
- ✓ Want to avoid high daily roaming bill surprises abroad
Not ideal if you:
- ✕ Your phone does not support eSIM technology
- ✕ Rely only on hotel Wi-Fi 24/7
Not sure if your phone supports eSIM?
Check compatibility here →Trusted by 50,000+ International Travelers
"Worked perfectly in Antalya. I could receive Sparkasse verification for my payments while having high-speed data. Way cheaper than Telekom!"
プラン一覧でデータ容量、有効期間、プラン全体の料金を比較してください。購入前に対象エリア、テザリング、公正利用の条件を確認してください。
"Setup was so easy. Bought it in Berlin, installed it at home, and was online the moment I landed in New York. Perfect for bank access."
Our Commitment
"We built Cellesim because roaming ruined our own trips. We wanted something simple and fair. That's why our eSIM experience is designed for travelers, with zero hidden surprises."
Frequently Asked Questions
For German Travelers Abroad
Will my German phone number stay active for WhatsApp/Banking? ↓
Can I still receive Bank OTP SMS? ↓
Is it cheaper than Telekom or Vodafone roaming packs? ↓
Can I share my internet (Hotspot) with others? ↓
Travel Smarter.
Stay Connected anywhere.
For German travelers, an international eSIM is no longer optional — it’s the smartest way to save money and stay connected.