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ByteSIM offers seamless eSIM solutions for global travelers, covering 200+ destinations. With a 4.8 rating and 24/7 customer support, ByteSIM prioritize user experience. Stay connected effortlessly with ByteSIM's reliable eSIM service anytime, anywhere.

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ByteSIM eSIM Data Plans for Japan

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Japan 500MB/day for 3 days

Data: 500MB/day
Validity: 3 Days
Price/GB: $1.93/GB
Price: $2.90

Japan 1GB/day for 1 day

Data: 1GB
Validity: 1 Day
Price/GB: $2.90/GB
Price: $2.90

Japan 1GB/day for 3 days

Data: 1GB/day
Validity: 3 Days
Price/GB: $1.17/GB
Price: $3.50

Japan 500MB/day for 5 days

Data: 500MB/day
Validity: 5 Days
Price/GB: $1.40/GB
Price: $3.50

Japan 2GB/day for 1 day

Data: 2GB
Validity: 1 Day
Price/GB: $1.95/GB
Price: $3.90

Japan 500MB/day for 7 days

Data: 500MB/day
Validity: 7 Days
Price/GB: $1.29/GB
Price: $4.50

Japan 2GB/day for 3 days

Data: 2GB/day
Validity: 3 Days
Price/GB: $0.82/GB
Price: $4.90

Japan 1GB/day for 5 days

Data: 1GB/day
Validity: 5 Days
Price/GB: $0.98/GB
Price: $4.90

Japan 3GB/day for 1 day

Data: 3GB
Validity: 1 Day
Price/GB: $1.63/GB
Price: $4.90

Japan 3GB for 3 days

Data: 3GB
Validity: 3 Days
Price/GB: $1.63/GB
Price: $4.90

Japan Unlimited Data for 1 day

Data: 1GB
+ ∞ 10Mbps
Validity: 1 Day
Price/GB: $4.90/GB
Price: $4.90

Japan 3GB for 5 days

Data: 3GB
Validity: 5 Days
Price/GB: $1.83/GB
Price: $5.50

Japan 1GB/day for 7 days

Data: 1GB/day
Validity: 7 Days
Price/GB: $0.84/GB
Price: $5.90

Japan 5GB for 3 days

Data: 5GB
Validity: 3 Days
Price/GB: $1.18/GB
Price: $5.90

Japan 500MB/day for 10 days

Data: 500MB/day
Validity: 10 Days
Price/GB: $1.18/GB
Price: $5.90

Japan 3GB for 7 days

Data: 3GB
Validity: 7 Days
Price/GB: $1.97/GB
Price: $5.90

Japan 3GB for 10 days

Data: 3GB
Validity: 10 Days
Price/GB: $2.07/GB
Price: $6.20

Japan 3GB for 15 days

Data: 3GB
Validity: 15 Days
Price/GB: $2.17/GB
Price: $6.50

Japan 3GB/day for 3 days

Data: 3GB/day
Validity: 3 Days
Price/GB: $0.77/GB
Price: $6.90

Japan 5GB for 5 days

Data: 5GB
Validity: 5 Days
Price/GB: $1.38/GB
Price: $6.90

Japan 3GB for 30 days

Data: 3GB
Validity: 30 Days
Price/GB: $2.30/GB
Price: $6.90

Japan 5GB for 7 days

Data: 5GB
Validity: 7 Days
Price/GB: $1.50/GB
Price: $7.50

Japan 2GB/day for 5 days

Data: 2GB/day
Validity: 5 Days
Price/GB: $0.79/GB
Price: $7.90

Japan 500MB/day for 15 days

Data: 500MB/day
Validity: 15 Days
Price/GB: $1.05/GB
Price: $7.90

Japan 5GB for 10 days

Data: 5GB
Validity: 10 Days
Price/GB: $1.58/GB
Price: $7.90

Japan 5GB for 15 days

Data: 5GB
Validity: 15 Days
Price/GB: $1.64/GB
Price: $8.20

Japan 5GB/day for 3 days

Data: 5GB/day
Validity: 3 Days
Price/GB: $0.59/GB
Price: $8.90

Japan 1GB/day for 10 days

Data: 1GB/day
Validity: 10 Days
Price/GB: $0.89/GB
Price: $8.90

Japan 5GB for 30 days

Data: 5GB
Validity: 30 Days
Price/GB: $1.78/GB
Price: $8.90

Japan 10GB for 3 days

Data: 10GB
Validity: 3 Days
Price/GB: $0.99/GB
Price: $9.90

Japan 500MB/day for 20 days

Data: 500MB/day
Validity: 20 Days
Price/GB: $0.99/GB
Price: $9.90

Japan 10GB/day for 3 days

Data: 10GB/day
Validity: 3 Days
Price/GB: $0.36/GB
Price: $10.90

Japan 3GB/day for 5 days

Data: 3GB/day
Validity: 5 Days
Price/GB: $0.73/GB
Price: $10.90

Japan 2GB/day for 7 days

Data: 2GB/day
Validity: 7 Days
Price/GB: $0.78/GB
Price: $10.90

Japan 10GB for 5 days

Data: 10GB
Validity: 5 Days
Price/GB: $1.09/GB
Price: $10.90

Japan Unlimited Data for 3 days

Data: 1GB/day
+ ∞ 10Mbps
Validity: 3 Days
Price/GB: $3.63/GB
Price: $10.90

Japan 1GB/day for 15 days

Data: 1GB/day
Validity: 15 Days
Price/GB: $0.79/GB
Price: $11.90

Japan 10GB for 7 days

Data: 10GB
Validity: 7 Days
Price/GB: $1.19/GB
Price: $11.90

Japan 10GB for 10 days

Data: 10GB
Validity: 10 Days
Price/GB: $1.29/GB
Price: $12.90

Japan 10GB for 15 days

Data: 10GB
Validity: 15 Days
Price/GB: $1.30/GB
Price: $13.00

Japan 10GB for 30 days

Data: 10GB
Validity: 30 Days
Price/GB: $1.32/GB
Price: $13.20

Japan 5GB/day for 5 days

Data: 5GB/day
Validity: 5 Days
Price/GB: $0.60/GB
Price: $14.90

Japan 3GB/day for 7 days

Data: 3GB/day
Validity: 7 Days
Price/GB: $0.71/GB
Price: $14.90

Japan 2GB/day for 10 days

Data: 2GB/day
Validity: 10 Days
Price/GB: $0.75/GB
Price: $14.90

Japan 500MB/day for 30 days

Data: 500MB/day
Validity: 30 Days
Price/GB: $0.99/GB
Price: $14.90

Japan 1GB/day for 20 days

Data: 1GB/day
Validity: 20 Days
Price/GB: $0.80/GB
Price: $15.90

Japan 10GB/day for 5 days

Data: 10GB/day
Validity: 5 Days
Price/GB: $0.36/GB
Price: $17.90

Japan Unlimited Data for 5 days

Data: 1GB/day
+ ∞ 10Mbps
Validity: 5 Days
Price/GB: $3.58/GB
Price: $17.90

Japan - 5G Ultra Unlimited eSIM by KDDI for 7 days

Data: Unlimited
Fair Usage
Validity: 4 Days
Price/GB:
Price: $18.90

Japan 5GB/day for 7 days

Data: 5GB/day
Validity: 7 Days
Price/GB: $0.57/GB
Price: $19.90

Japan 20GB for 3 days

Data: 20GB
Validity: 3 Days
Price/GB: $0.99/GB
Price: $19.90

Japan 3GB/day for 10 days

Data: 3GB/day
Validity: 10 Days
Price/GB: $0.70/GB
Price: $20.90

Japan 2GB/day for 15 days

Data: 2GB/day
Validity: 15 Days
Price/GB: $0.70/GB
Price: $20.90

Japan 20GB for 5 days

Data: 20GB
Validity: 5 Days
Price/GB: $1.05/GB
Price: $20.90

Japan 20GB for 7 days

Data: 20GB
Validity: 7 Days
Price/GB: $1.10/GB
Price: $21.90

Japan 20GB for 10 days

Data: 20GB
Validity: 10 Days
Price/GB: $1.16/GB
Price: $23.20

Japan 20GB for 15 days

Data: 20GB
Validity: 15 Days
Price/GB: $1.18/GB
Price: $23.50

Japan 10GB/day for 7 days

Data: 10GB/day
Validity: 7 Days
Price/GB: $0.34/GB
Price: $23.90

Japan 1GB/day for 30 days

Data: 1GB/day
Validity: 30 Days
Price/GB: $0.80/GB
Price: $23.90

Japan 20GB for 30 days

Data: 20GB
Validity: 30 Days
Price/GB: $1.19/GB
Price: $23.90

Japan 30GB for 3 days

Data: 30GB
Validity: 3 Days
Price/GB: $0.86/GB
Price: $25.90

Japan Unlimited Data for 7 days

Data: 1GB/day
+ ∞ 10Mbps
Validity: 7 Days
Price/GB: $3.70/GB
Price: $25.90

Japan 5GB/day for 10 days

Data: 5GB/day
Validity: 10 Days
Price/GB: $0.56/GB
Price: $27.90

Japan 2GB/day for 20 days

Data: 2GB/day
Validity: 20 Days
Price/GB: $0.70/GB
Price: $27.90

Japan 30GB for 5 days

Data: 30GB
Validity: 5 Days
Price/GB: $0.93/GB
Price: $27.90

Japan - 5G Ultra Unlimited eSIM by KDDI for 7 days

Data: Unlimited
Fair Usage
Validity: 7 Days
Price/GB:
Price: $29.90

Japan 30GB for 7 days

Data: 30GB
Validity: 7 Days
Price/GB: $1.00/GB
Price: $29.90

Japan 3GB/day for 15 days

Data: 3GB/day
Validity: 15 Days
Price/GB: $0.69/GB
Price: $30.90

Japan 30GB for 10 days

Data: 30GB
Validity: 10 Days
Price/GB: $1.06/GB
Price: $31.90

Japan 10GB/day for 10 days

Data: 10GB/day
Validity: 10 Days
Price/GB: $0.34/GB
Price: $33.90

Japan 30GB for 15 days

Data: 30GB
Validity: 15 Days
Price/GB: $1.13/GB
Price: $33.90

Japan Unlimited Data for 10 days

Data: 1GB/day
+ ∞ 10Mbps
Validity: 10 Days
Price/GB: $3.49/GB
Price: $34.90

Japan 30GB for 30 days

Data: 30GB
Validity: 30 Days
Price/GB: $1.20/GB
Price: $35.90

Japan - 5G Ultra Unlimited eSIM by KDDI for 10 days

Data: Unlimited
Fair Usage
Validity: 10 Days
Price/GB:
Price: $39.90

Japan 3GB/day for 20 days

Data: 3GB/day
Validity: 20 Days
Price/GB: $0.68/GB
Price: $40.90

Japan 5GB/day for 15 days

Data: 5GB/day
Validity: 15 Days
Price/GB: $0.56/GB
Price: $41.90

Japan 2GB/day for 30 days

Data: 2GB/day
Validity: 30 Days
Price/GB: $0.70/GB
Price: $41.90

Japan 50GB for 3 days

Data: 50GB
Validity: 3 Days
Price/GB: $0.98/GB
Price: $48.90

Japan Unlimited Data for 15 days

Data: 1GB/day
+ ∞ 10Mbps
Validity: 15 Days
Price/GB: $3.33/GB
Price: $49.90

Japan 10GB/day for 15 days

Data: 10GB/day
Validity: 15 Days
Price/GB: $0.34/GB
Price: $50.90

Japan 50GB for 5 days

Data: 50GB
Validity: 5 Days
Price/GB: $1.04/GB
Price: $51.90

Japan 50GB for 7 days

Data: 50GB
Validity: 7 Days
Price/GB: $1.08/GB
Price: $53.90

Japan - 5G Ultra Unlimited eSIM by KDDI for 15 days

Data: Unlimited
Fair Usage
Validity: 15 Days
Price/GB:
Price: $55.90

Japan 5GB/day for 20 days

Data: 5GB/day
Validity: 20 Days
Price/GB: $0.56/GB
Price: $55.90

Japan 50GB for 10 days

Data: 50GB
Validity: 10 Days
Price/GB: $1.12/GB
Price: $55.90

Japan 50GB for 15 days

Data: 50GB
Validity: 15 Days
Price/GB: $1.18/GB
Price: $58.90

Japan 50GB for 30 days

Data: 50GB
Validity: 30 Days
Price/GB: $1.20/GB
Price: $59.90

Japan 3GB/day for 30 days

Data: 3GB/day
Validity: 30 Days
Price/GB: $0.68/GB
Price: $60.90

Japan Unlimited Data for 20 days

Data: 1GB/day
+ ∞ 10Mbps
Validity: 20 Days
Price/GB: $3.09/GB
Price: $61.90

Japan 10GB/day for 20 days

Data: 10GB/day
Validity: 20 Days
Price/GB: $0.33/GB
Price: $66.90

Japan 5GB/day for 30 days

Data: 5GB/day
Validity: 30 Days
Price/GB: $0.50/GB
Price: $74.90

Japan Unlimited Data for 30 days

Data: 1GB/day
+ ∞ 10Mbps
Validity: 30 Days
Price/GB: $2.50/GB
Price: $74.90

Japan - 5G Ultra Unlimited eSIM by KDDI for 31 day

Data: Unlimited
Fair Usage
Validity: 31 Days
Price/GB:
Price: $79.90

Japan 10GB/day for 30 days

Data: 10GB/day
Validity: 30 Days
Price/GB: $0.30/GB
Price: $89.90

ByteSIM for Japan FAQ

Does ByteSIM offer unlimited data eSIM for Japan?

ByteSIM does offer unlimited data eSIM plans for Japan. The plans are labeled “Japan – 5G Ultra Unlimited eSIM by KDDI” and list a data cap of Unlimited. Validity periods range from 4 days to 31 days, with prices from $18.90 to $79.90. Because the plans are subject to a Fair Usage Policy, speeds may be throttled after heavy use, so travelers should verify the exact limits and typical data available at normal speed by contacting ByteSIM. Other ByteSIM plans for Japan provide 1 GB per day and are not unlimited.

Does ByteSIM offer Japan eSIM with phone number and SMS?

ByteSIM does not provide an eSIM plan that includes a local phone number or SMS capability for Japan. All ByteSIM eSIMs sold for Japan are data‑only plans, so travelers cannot receive or send text messages or make phone calls directly through a traditional phone number.

Those who need messaging or calling services can use internet‑based applications such as WhatsApp, Telegram, or iMessage over the data connection. The availability of VoIP services can vary in Japan, so it is advisable to verify that the specific apps you rely on are accessible in Japan before purchasing a ByteSIM data plan.

How many data plans does ByteSIM offer for Japan?

ByteSIM currently offers 94 single coverage data plans specifically for Japan. These plans range in price from approximately $2.90 to $89.90 and offer data allowances from 500MB up to unlimited data. Of these, 49 plans feature a daily data cap, while the remaining 45 provide a fixed data amount. ByteSIM does not currently list any multi-country plans that include coverage in Japan.

Summarized by AI, Last updated:

More eSIM Providers for Japan

Discover some of the most popular eSIM brands offering plans for Japan

BambooSIM
BambooSIM20 plans for Japan
GlobaleSIM
GlobaleSIM26 plans for Japan
Sim Local
Sim Local20 plans for Japan
The SIM Shop
The SIM Shop67 plans for Japan
Ubigi
Ubigi58 plans for Japan

Nearby Destinations

Explore eSIM plans for other popular destinations near Japan

🇨🇳
China
🇭🇰
Hong Kong
🇲🇴
Macau
🇰🇷
South Korea
🇹🇼
Taiwan
🇲🇳
Mongolia
See all promo codes for Japan
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