eSIMDB logo
Truely
Truely certified

Truely offers Switchless® eSIMs for travelers, digital nomads, and frequent flyers, providing instant global connectivity in 190+ countries with zero roaming fees. Our Unlimited plans include high-speed internet for the first 5GB each day, followed by unlimited data at 512kbps for the rest of the day. Plus, Bundle GB plans and Data Packs are coming soon!

Promo Code

GET 10% OFF
For new user

Truely eSIM Data Plans for Japan

Japan - 300MB, 2 days
300MB
2
Days
$1.69
$5.63/GB
discount GET 10% OFF
low latency Low latency
5G
Asia - 300MB, 2 days
300MB
2
Days
$1.89
$6.30/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - 1GB, 30 days
1GB
30
Days
$3.99
$3.99/GB
discount GET 10% OFF
low latency Low latency
5G
Asia - 1GB, 30 days
1GB
30
Days
$4.49
$4.49/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - 1GB, Never Expires
1GB
∞
No expiry
$4.99
$4.99/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - Unlimited, 1 day
Unlimited
1
Day
$5.52
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - 1GB, Never Expires
1GB
∞
No expiry
$6.49
$6.49/GB
discount GET 10% OFF
low latency Low latency
5G
Asia - Unlimited, 1 day
Unlimited
1
Day
$6.90
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 2 days
Unlimited
2
Days
$9.87
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - 5GB, 30 days
5GB
30
Days
$9.99
$2.00/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - Unlimited, 3 days
Unlimited
3
Days
$12.90
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 2 days
Unlimited
2
Days
$12.90
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - 5GB, Never Expires
5GB
∞
No expiry
$12.99
$2.60/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - Unlimited, 4 days
Unlimited
4
Days
$16.91
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - 5GB, 30 days
5GB
30
Days
$16.99
$3.40/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - 10GB, 30 days
10GB
30
Days
$17.99
$1.80/GB
discount GET 10% OFF
low latency Low latency
5G
Asia - 5GB, Never Expires
5GB
∞
No expiry
$19.99
$4.00/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - Unlimited, 5 days
Unlimited
5
Days
$20.91
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 3 days
Unlimited
3
Days
$20.91
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - 10GB, Never Expires
10GB
∞
No expiry
$23.99
$2.40/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - Unlimited, 6 days
Unlimited
6
Days
$24.91
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - 20GB, 30 days
20GB
30
Days
$24.99
$1.25/GB
discount GET 10% OFF
low latency Low latency
5G
Asia - Unlimited, 4 days
Unlimited
4
Days
$25.88
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - 10GB, 30 days
10GB
30
Days
$27.99
$2.80/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - Unlimited, 7 days
Unlimited
7
Days
$29.88
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 5 days
Unlimited
5
Days
$29.88
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 8 days
Unlimited
8
Days
$31.88
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 6 days
Unlimited
6
Days
$31.88
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - 10GB, Never Expires
10GB
∞
No expiry
$33.99
$3.40/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - Unlimited, 9 days
Unlimited
9
Days
$34.91
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 10 days
Unlimited
10
Days
$36.92
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 7 days
Unlimited
7
Days
$36.92
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 8 days
Unlimited
8
Days
$37.88
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 9 days
Unlimited
9
Days
$38.92
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - 20GB, 30 days
20GB
30
Days
$38.99
$1.95/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - Unlimited, 11 days
Unlimited
11
Days
$39.88
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 10 days
Unlimited
10
Days
$39.88
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 11 days
Unlimited
11
Days
$42.92
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 12 days
Unlimited
12
Days
$43.88
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 12 days
Unlimited
12
Days
$44.92
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - 20GB, Never Expires
20GB
∞
No expiry
$44.99
$2.25/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - Unlimited, 13 days
Unlimited
13
Days
$45.89
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 13 days
Unlimited
13
Days
$46.92
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 14 days
Unlimited
14
Days
$47.89
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 14 days
Unlimited
14
Days
$48.92
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - 20GB, Never Expires
20GB
∞
No expiry
$48.99
$2.45/GB
discount GET 10% OFF
low latency Low latency
5G
Japan - Unlimited, 15 days
Unlimited
15
Days
$50.92
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 15 days
Unlimited
15
Days
$50.92
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 16 days
Unlimited
16
Days
$52.92
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 16 days
Unlimited
16
Days
$52.92
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 17 days
Unlimited
17
Days
$53.89
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 17 days
Unlimited
17
Days
$53.89
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 18 days
Unlimited
18
Days
$56.93
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 18 days
Unlimited
18
Days
$56.93
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 19 days
Unlimited
19
Days
$59.89
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 19 days
Unlimited
19
Days
$59.89
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 20 days
Unlimited
20
Days
$61.89
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 20 days
Unlimited
20
Days
$61.89
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 21 days
Unlimited
21
Days
$63.89
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 21 days
Unlimited
21
Days
$63.89
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 22 days
Unlimited
22
Days
$64.93
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 22 days
Unlimited
22
Days
$64.93
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 23 days
Unlimited
23
Days
$65.90
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 23 days
Unlimited
23
Days
$65.90
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 24 days
Unlimited
24
Days
$66.93
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 24 days
Unlimited
24
Days
$66.93
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 25 days
Unlimited
25
Days
$67.90
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 25 days
Unlimited
25
Days
$67.90
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 26 days
Unlimited
26
Days
$69.90
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 26 days
Unlimited
26
Days
$69.90
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 27 days
Unlimited
27
Days
$70.93
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 27 days
Unlimited
27
Days
$70.93
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 28 days
Unlimited
28
Days
$71.90
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 29 days
Unlimited
29
Days
$72.93
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Japan - Unlimited, 30 days
Unlimited
30
Days
$74.93
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 28 days
Unlimited
28
Days
$85.91
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 29 days
Unlimited
29
Days
$87.91
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G
Asia - Unlimited, 30 days
Unlimited
30
Days
$89.91
discount GET 10% OFF
possible throttling Possible Throttling
low latency Low latency
5G

Frequently Asked Questions

Does Truely offer unlimited data eSIM for Japan?

Yes, Truely sells unlimited data eSIM plans for Japan. The unlimited plans range from 1 day to 30 days in validity, with prices from $5.52 USD for a 1‑day plan up to $74.93 USD for a 30‑day plan. All of these plans are available on 4G and 5G networks. Truely indicates that data speeds may be throttled after heavy usage under its Fair Usage Policy, so users who expect sustained high speed should contact Truely to confirm the typical amount of data available at normal speed.

Does Truely offer Japan eSIM with phone number and SMS?

Truely does not offer any eSIM plans that include a phone number or SMS capability for Japan. The provider only offers data‑only plans there. Travelers who need voice or text can use VoIP applications such as WhatsApp, Telegram, and iMessage over the data connection.

How many data plans does Truely offer for Japan?

In Japan, Truely offers 17 single‑country plans and 17 multi‑country plans. The available options span a price range of roughly $1.69 to $89.91, with data caps from 300 MB up to unlimited. All plans have validity periods between 15 and 30 days, and many allow tethering with the caveat that speeds may be throttled in certain cases.

Summarized by Gen AI. Last updated:

Japan Also Covered By

eSIMX certified
14 plans
GlobaleSIM certified
24 plans
Jetpac certified
56 plans
Ubigi
44 plans
WG JAPAN eSIM certified
13 plans
Programmatically fetched and updated. data plans for the provider(s) with this icon are programmatically fetched and updated.

Our mobile app is here! Discover eSIMDB on iOS and Android for faster access.

Download on the App StoreGet it on Google Play
Travel eSIM search made easy.
Find and compare cellular data plans for your next trip.
Languages
English
日本語
Français
Española
Italiano
Resources
BlogTravel eSIM FAQs
Links
Privacy PolicyTerms of UseContactAbout
Disclaimer: This website uses affiliate links as a source of revenue to remain sustainable and continue delivering valuable information to our visitors. By using these links, you help us avoid relying on excessive advertisements. We truly appreciate your understanding and support.
© 2018-2026. eSIMDB. All rights reserved.