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ZenSim

ZenSim offers travel eSIMs for over 200 countries starting at $10, with flexible plans from 3GB to Unlimited data. Manage your eSIMs easily through the ZenSim app, and get fast support on WhatsApp or Messenger. With a 4.9-star service rating, staying connected abroad has never been easier.

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ZenSim eSIM Data Plans for Japan

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Asia+ 1GB - 5 Days

Data: 1GB
Validity: 5 Days
Price/GB: $4.50/GB
Price: $4.50
New Users Only

Japan 1GB - 5 Days

Data: 1GB
Validity: 5 Days
Price/GB: $4.50/GB
Price: $4.50
New Users Only

Japan 3GB - 5 Days

Data: 3GB
Validity: 5 Days
Price/GB: $1.80/GB
Price: $5.40
New Users Only

Japan 5GB - 5 Days

Data: 5GB
Validity: 5 Days
Price/GB: $1.62/GB
Price: $8.10
New Users Only

Japan 5GB - 15 Days

Data: 5GB
Validity: 15 Days
Price/GB: $1.80/GB
Price: $9.00
New Users Only

Asia+ 3GB - 5 Days

Data: 3GB
Validity: 5 Days
Price/GB: $3.00/GB
Price: $9.00
New Users Only

Japan 5GB - 30 Days

Data: 5GB
Validity: 30 Days
Price/GB: $1.98/GB
Price: $9.90
New Users Only

Asia+ 5GB - 5 Days

Data: 5GB
Validity: 5 Days
Price/GB: $2.34/GB
Price: $11.70
New Users Only

Japan 10GB - 15 Days

Data: 10GB
Validity: 15 Days
Price/GB: $1.44/GB
Price: $14.40
New Users Only

Japan 10GB - 30 Days

Data: 10GB
Validity: 30 Days
Price/GB: $1.53/GB
Price: $15.30
New Users Only

Asia+ 5GB - 15 Days

Data: 5GB
Validity: 15 Days
Price/GB: $3.06/GB
Price: $15.30
New Users Only

Asia+ 5GB - 30 Days

Data: 5GB
Validity: 30 Days
Price/GB: $3.24/GB
Price: $16.20
New Users Only

Global 3GB - 90 Days

Data: 3GB
Validity: 90 Days
Price/GB: $6.00/GB
Price: $18.00
New Users Only

Japan 20GB - 15 Days

Data: 20GB
Validity: 15 Days
Price/GB: $1.04/GB
Price: $20.70
New Users Only

Japan 20GB - 30 Days

Data: 20GB
Validity: 30 Days
Price/GB: $1.08/GB
Price: $21.60
New Users Only

Asia+ Unlimited STANDARD - 5 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 5 Days
Price/GB: $1.50/GB
Price: $22.50
New Users Only

Japan Unlimited STANDARD - 5 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 5 Days
Price/GB: $1.50/GB
Price: $22.50
New Users Only

Asia+ 10GB - 15 Days

Data: 10GB
Validity: 15 Days
Price/GB: $2.34/GB
Price: $23.40
New Users Only

Global 5GB - 90 Days

Data: 5GB
Validity: 90 Days
Price/GB: $5.04/GB
Price: $25.20
New Users Only

Asia+ 10GB - 30 Days

Data: 10GB
Validity: 30 Days
Price/GB: $2.61/GB
Price: $26.10
New Users Only

Asia+ 20GB - 15 Days

Data: 20GB
Validity: 15 Days
Price/GB: $1.44/GB
Price: $28.80
New Users Only

Asia+ Unlimited STANDARD - 15 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 15 Days
Price/GB: $0.72/GB
Price: $32.40
New Users Only

Asia+ 20GB - 30 Days

Data: 20GB
Validity: 30 Days
Price/GB: $1.62/GB
Price: $32.40
New Users Only

Japan Unlimited STANDARD - 15 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 15 Days
Price/GB: $0.82/GB
Price: $36.90
New Users Only

Global 10GB - 90 Days

Data: 10GB
Validity: 90 Days
Price/GB: $3.78/GB
Price: $37.80
New Users Only

Japan 40GB - 30 Days

Data: 40GB
Validity: 30 Days
Price/GB: $0.97/GB
Price: $38.70
New Users Only

Asia+ 40GB - 30 Days

Data: 40GB
Validity: 30 Days
Price/GB: $1.42/GB
Price: $56.70
New Users Only

Global 20GB - 90 Days

Data: 20GB
Validity: 90 Days
Price/GB: $2.88/GB
Price: $57.60
New Users Only

Japan Unlimited STANDARD - 30 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 30 Days
Price/GB: $0.66/GB
Price: $59.40
New Users Only

Asia+ Unlimited STANDARD - 30 Days

Data: 3GB/day
+ ∞ 1Mbps
Validity: 30 Days
Price/GB: $0.70/GB
Price: $63.00
New Users Only

Global 40GB - 90 Days

Data: 40GB
Validity: 90 Days
Price/GB: $2.68/GB
Price: $107.1
New Users Only

ZenSim for Japan FAQ

Does ZenSim offer unlimited data eSIM for Japan?

ZenSim does not provide a true unlimited high‑speed data eSIM for Japan. All of its offerings are fixed data bundles with a hard cap. One example is the Japan 40GB plan for 30 days, which supplies 40 GB of high‑speed data, and the Japan 20GB plan for 15 days, which supplies 20 GB. Plans that carry the word “Unlimited” in the name, such as Japan Unlimited STANDARD, actually deliver 3 GB per day for the specified period and then throttle speed to 1000 kbps after that limit is reached. Users who need more data than the provided caps can purchase additional bundles, but no single plan offers unlimited data.

Does ZenSim offer Japan eSIM with phone number and SMS?

ZenSim does not provide eSIM plans for Japan that include a phone number or SMS capability, so travelers can only purchase a data‑only plan. Travelers who need to make calls or send messages can use VoIP and messaging applications such as WhatsApp, Telegram, or iMessage over the data connection. However, as some destinations may block or restrict specific VoIP services, users should verify that the apps they rely on are accessible in Japan before making a purchase.

How many data plans does ZenSim offer for Japan?

ZenSim presents a range of data plans for travelers in Japan, split into single‑country and multi‑country categories. In the single‑country portfolio there are 13 different plans, while the multi‑country suite includes 18 options that cover Japan. Altogether the catalogue contains 31 distinct plans. Prices span from about four and a half dollars to a little over one hundred dollars, and the data caps run from 1 GB to 40 GB depending on the selected package. ZenSim also offers two types of data allocation: fixed‑data‑cap plans provide a set amount of data that does not reset during the validity period, whereas daily‑data‑cap plans reset each day, limiting usage on a per‑day basis.

Summarized by AI, Last updated:

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