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Japan

RedSim

RedSim provides affordable and reliable eSIM connectivity across 200+ destinations, with flexible prepaid plans and quick activation. Customers also receive 25% back as gift balance after every purchase, making RedSim a cost-effective choice for frequent travelers.

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Usage limit: For new user

ESIMDB20

RedSim eSIM Data Plans for Japan

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Japan 1GB/day 1 Day

Data: 1GB
+ ∞ 1Mbps
Validity: 1 Day
Price/GB: $2.08/GB
Price: $2.08

Japan 1GB 7 Days

Data: 1GB
Validity: 7 Days
Price/GB: $2.20/GB
Price: $2.20

Japan 2GB/day 1 Day

Data: 2GB
+ ∞ 1Mbps
Validity: 1 Day
Price/GB: $1.42/GB
Price: $2.83

Asia 1GB 7 Days

Data: 1GB
Validity: 7 Days
Price/GB: $2.89/GB
Price: $2.89

Japan 3GB/day 1 Day

Data: 3GB
+ ∞ 384kbps
Validity: 1 Day
Price/GB: $1.03/GB
Price: $3.08

Japan 5GB/day 1 Day

Data: 5GB
+ ∞ 384kbps
Validity: 1 Day
Price/GB: $0.99/GB
Price: $4.93

Japan 1GB/day 3 Days

Data: 1GB/day
+ ∞ 1Mbps
Validity: 3 Days
Price/GB: $2.08/GB
Price: $6.24
20% OFF

Global 1GB 7 Days

Data: 1GB
Validity: 7 Days
Price/GB: $6.64/GB
Price: $6.64
20% OFF

Japan 3GB 30 Days

Data: 3GB
Validity: 30 Days
Price/GB: $2.22/GB
Price: $6.65
20% OFF

Japan 10GB/day 1 Day

Data: 10GB
+ ∞ 384kbps
Validity: 1 Day
Price/GB: $0.68/GB
Price: $6.78

Asia 3GB 30 Days

Data: 3GB
Validity: 30 Days
Price/GB: $2.66/GB
Price: $7.98
20% OFF

Japan 2GB/day 3 Days

Data: 2GB/day
+ ∞ 1Mbps
Validity: 3 Days
Price/GB: $1.42/GB
Price: $8.49
20% OFF

Japan 3GB/day 3 Days

Data: 3GB/day
+ ∞ 384kbps
Validity: 3 Days
Price/GB: $1.03/GB
Price: $9.24

Japan 5GB 30 Days

Data: 5GB
Validity: 30 Days
Price/GB: $1.90/GB
Price: $9.50
20% OFF

Japan Unlimited 3 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 3 Days
Price/GB: $1.11/GB
Price: $9.96
20% OFF

Asia Unlimited 3 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 3 Days
Price/GB: $1.21/GB
Price: $10.92
20% OFF

Asia 5GB 30 Days

Data: 5GB
Validity: 30 Days
Price/GB: $2.19/GB
Price: $10.94
20% OFF

Japan 1GB/day 7 Days

Data: 1GB/day
+ ∞ 1Mbps
Validity: 7 Days
Price/GB: $2.08/GB
Price: $14.56
20% OFF

Japan 5GB/day 3 Days

Data: 5GB/day
+ ∞ 384kbps
Validity: 3 Days
Price/GB: $0.99/GB
Price: $14.79

Japan 10GB 30 Days

Data: 10GB
Validity: 30 Days
Price/GB: $1.52/GB
Price: $15.20
20% OFF

Japan Unlimited 5 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 5 Days
Price/GB: $1.08/GB
Price: $16.14
20% OFF

Japan Unlimited 7 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 7 Days
Price/GB: $0.86/GB
Price: $18.05
20% OFF

Asia Unlimited 5 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 5 Days
Price/GB: $1.20/GB
Price: $18.05
20% OFF

Global 3GB 30 Days

Data: 3GB
Validity: 30 Days
Price/GB: $6.02/GB
Price: $18.05
20% OFF

Asia 10GB 30 Days

Data: 10GB
Validity: 30 Days
Price/GB: $1.82/GB
Price: $18.24
20% OFF

Japan 2GB/day 7 Days

Data: 2GB/day
+ ∞ 1Mbps
Validity: 7 Days
Price/GB: $1.41/GB
Price: $19.81
20% OFF

Japan 10GB/day 3 Days

Data: 10GB/day
+ ∞ 384kbps
Validity: 3 Days
Price/GB: $0.68/GB
Price: $20.34

Japan 3GB/day 7 Days

Data: 3GB/day
+ ∞ 384kbps
Validity: 7 Days
Price/GB: $1.03/GB
Price: $21.56

Japan 20GB 30 Days

Data: 20GB
Validity: 30 Days
Price/GB: $1.10/GB
Price: $21.95
20% OFF

Japan 21GB 7 Days

Data: 21GB
Validity: 7 Days
Price/GB: $1.07/GB
Price: $22.41
20% OFF

Asia Unlimited 7 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 7 Days
Price/GB: $1.19/GB
Price: $25.00
20% OFF

Japan Unlimited 10 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 10 Days
Price/GB: $0.84/GB
Price: $25.34
20% OFF

Global 5GB 30 Days

Data: 5GB
Validity: 30 Days
Price/GB: $5.08/GB
Price: $25.38
20% OFF

Asia 20GB 30 Days

Data: 20GB
Validity: 30 Days
Price/GB: $1.35/GB
Price: $26.96
20% OFF

Japan 1GB/day 14 Days

Data: 1GB/day
+ ∞ 1Mbps
Validity: 14 Days
Price/GB: $2.08/GB
Price: $29.12
20% OFF

Japan 50GB 30 Days

Data: 50GB
Validity: 30 Days
Price/GB: $0.67/GB
Price: $33.50
20% OFF

Asia Unlimited 10 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 10 Days
Price/GB: $1.13/GB
Price: $34.00
20% OFF

Japan 5GB/day 7 Days

Data: 5GB/day
+ ∞ 384kbps
Validity: 7 Days
Price/GB: $0.99/GB
Price: $34.51

Japan Unlimited 15 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 15 Days
Price/GB: $0.84/GB
Price: $38.00
20% OFF

Global 10GB 30 Days

Data: 10GB
Validity: 30 Days
Price/GB: $3.80/GB
Price: $38.00
20% OFF

Japan 2GB/day 14 Days

Data: 2GB/day
+ ∞ 1Mbps
Validity: 14 Days
Price/GB: $1.41/GB
Price: $39.62
20% OFF

Japan 3GB/day 14 Days

Data: 3GB/day
+ ∞ 384kbps
Validity: 14 Days
Price/GB: $1.03/GB
Price: $43.12

Asia Unlimited 15 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 15 Days
Price/GB: $1.02/GB
Price: $45.80
20% OFF

Japan 10GB/day 7 Days

Data: 10GB/day
+ ∞ 384kbps
Validity: 7 Days
Price/GB: $0.68/GB
Price: $47.46

Global 20GB 30 Days

Data: 20GB
Validity: 30 Days
Price/GB: $2.72/GB
Price: $54.48
20% OFF

Asia 50GB 30 Days

Data: 50GB
Validity: 30 Days
Price/GB: $1.16/GB
Price: $57.95

Japan 1GB/day 30 Days

Data: 1GB/day
+ ∞ 1Mbps
Validity: 30 Days
Price/GB: $2.08/GB
Price: $62.40
20% OFF

Japan Unlimited 30 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 30 Days
Price/GB: $0.72/GB
Price: $64.99
20% OFF

Asia Unlimited 30 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 30 Days
Price/GB: $0.75/GB
Price: $67.40
20% OFF

Japan 5GB/day 14 Days

Data: 5GB/day
+ ∞ 384kbps
Validity: 14 Days
Price/GB: $0.99/GB
Price: $69.02

Japan 2GB/day 30 Days

Data: 2GB/day
+ ∞ 1Mbps
Validity: 30 Days
Price/GB: $1.42/GB
Price: $84.90
20% OFF

Japan 3GB/day 30 Days

Data: 3GB/day
+ ∞ 384kbps
Validity: 30 Days
Price/GB: $1.03/GB
Price: $92.40

Japan 10GB/day 14 Days

Data: 10GB/day
+ ∞ 384kbps
Validity: 14 Days
Price/GB: $0.68/GB
Price: $94.92

Japan 5GB/day 30 Days

Data: 5GB/day
+ ∞ 384kbps
Validity: 30 Days
Price/GB: $0.99/GB
Price: $147.9

Japan 10GB/day 30 Days

Data: 10GB/day
+ ∞ 384kbps
Validity: 30 Days
Price/GB: $0.68/GB
Price: $203.4

RedSim for Japan FAQ

Does RedSim offer unlimited data eSIM for Japan?

RedSim does not offer a true unlimited data eSIM for Japan. All plans that carry the word “Unlimited” in the name actually provide a fixed allowance of 3GB per day; after that limit the speed is reduced to 1 Mbps. Travelers who need more data can choose one of RedSim’s fixed data plans, for example the Japan 50GB 30‑day plan or the Japan 20GB 30‑day plan, which give larger high‑speed data allowances for a set validity period.

Does RedSim offer Japan eSIM with phone number and SMS?

RedSim does not provide Japan eSIMs that include a phone number or SMS capability. All available plans from RedSim for Japan are data‑only. Travelers can use VoIP apps such as WhatsApp, Telegram, and iMessage over the data connection, but some destinations may block or restrict specific apps or VoIP services, so users should verify that the apps they rely on are accessible in Japan before purchasing.

How many data plans does RedSim offer for Japan?

RedSim offers 38 single‑country data plans and 17 multi‑country data plans that include Japan. The available plans range in price from about $2.08 to $203.40 and offer data caps between 1 GB and 50 GB. Some of the plans feature a daily data cap, limiting how much data can be used each day, while others provide a fixed data amount that can be used at any time during the validity period.

Summarized by AI, Last updated:

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Nearby Destinations

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🇭🇰
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