AnyFone Japan eSIM – Review & Full Test 2026

🌍

Countries covered

1 countries

💶

Starting at

11,00 €

📶

Network

5G

📊

Data

Starting at 3 GB

❌

Calls/SMS

No

99% coverage of Japan via KDDI and SoftBank with unlimited 5G.

Fast activation via email QR code or airport store.

Flexible plans from 1 to 30 days, data from 3GB to unlimited.

Hotspot and multi-device support ideal for tourists.

Over 1.6M users, 20+ years telecom experience.

Destinations & coverage

By region

Key points

✅

Advantages

  • ✓ Reliable networks covering 99% of Japanese territory.
  • ✓ 5G unlimited plans without daily speed restrictions.
  • ✓ Instant online purchase or easy airport pick-up.
  • ✓ Simple activation via QR code, compatible with recent iPhone/Android.
  • ✓ Multilingual support and partnership with SoftBank/KDDI.
⚠️

Disadvantages

  • ✗ Primarily focused on Japan, limited coverage elsewhere.
  • ✗ No dedicated mobile app for management.
  • ✗ Potentially higher prices for unlimited data.
  • ✗ No calls/SMS included in data eSIMs.
  • ✗ eSIM compatibility required, excludes older devices.

Description

AnyFone Japan, the Japanese branch of GSM Rentafone Pty Ltd founded in 2003, offers prepaid eSIMs for reliable connectivity in Japan covering 99% of the territory via major networks KDDI (unlimited 5G) and SoftBank (4G). Fixed data plans range from 3GB to 30GB for 1 to 30 days, with simple activation via email QR code, hotspot support, and unlimited options without daily restrictions. Perfect for tourists, business travelers or nomads, with instant online purchase or airport pick-up (Narita, Haneda), avoiding physical SIMs and roaming fees.

How it works

Select a Japan eSIM plan (fixed or unlimited) on anyfone.com and pay.

QR code and instructions sent instantly by email after purchase.

Go to Settings > Cellular (iOS) or Network/SIM (Android).

Scan the QR code or enter manually (SM-DP+), follow on-screen steps.

Select the eSIM for mobile data, enable roaming if needed.

Connect to KDDI/SoftBank network, test data connection.

Share connection with other devices via tethering.

⚠️ If it fails

✅ Use native iPhone Mail app, remove http:// from SM-DP+, check eSIM compatibility and stable WiFi connection. Contact support.

✅ Restart device, toggle airplane mode on and off, select data eSIM and roaming. Check KDDI network.

✅ Switch to 4G if 5G is weak, avoid peak hours, choose unlimited plan for stability.

✅ Check selected duration, fixed data strictly expires, opt for unlimited for extended use.

Alternatives

FAQ

For 1-7 days in the city, an unlimited 5G KDDI plan or 10GB fixed plan for moderate use (GPS, social networks).

Yes, all eSIMs support tethering to connect laptop/tablet, perfect for nomads.

iPhone iOS 17.3+, recent Samsung/Google Pixel with eSIM. Check on apple.com or AnyFone site.

AnyFone Japan offers refunds in case of proven technical issues not resolved by support. Claims must be made promptly after purchase and before full activation. Specific conditions are available on their official site.

Yes, 99% nationwide coverage via KDDI/SoftBank, reliable even in subway or small towns.

For AnyFone Japan data eSIMs, it is generally not possible to recharge an existing plan. You must buy a new eSIM plan if you need more data or longer duration.

No, management is via email QR and native phone settings.

Company info

Legal name: GSM Rentafone Pty Ltd. Japan Branch

Founders: Joe Landsman

Address: Tokyo, Japan

Email: [email protected]

Website: https://anyfone.com

Support

9 AM – 6 PM JST (Lundi-Vendredi)

Accepted payments

Visa, Mastercard, American Express, JCB, PayPal

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