
Ohayu is a travel eSIM provider offering high-speed mobile data in 190+ destinations. It connects users to more than 600 local mobile networks for strong coverage in each country. All plans support hotspot/tethering, top-ups, and full-speed data with no throttling. The Ohayu apps for iOS and Android allow users to install, manage, check data usage, and recharge their eSIMs in seconds.
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Data plans for this provider are automatically updated. While we strive to keep the information accurate, we cannot guarantee its completeness or accuracy. Please confirm all details on the provider's official website or app before purchasing.
Ohayu does not have an unlimited data eSIM plan for Japan. Travelers who need large data allowances can choose from fixed‑data plans, such as the Japan 50GB 30 days plan priced at $61.99 USD, the 25GB monthly plan at $49.49 USD, the Japan 20GB 30 days plan at $26.49 USD, the 15GB monthly plan at $39.99 USD, or the Japan 10GB 30 days plan at $18.99 USD. These options all provide 5G connectivity in Japan and can be more cost‑effective for most users unless an extremely heavy data consumer is expected.
No, Ohayu does not offer a Japan eSIM that includes a phone number or SMS capability. Ohayu provides only data‑only eSIM plans for Japan, allowing travelers to use the high‑speed data connection. Popular VoIP applications such as WhatsApp, Telegram, and iMessage can be used over the data link for calls and messaging without needing a local phone number.
Ohayu provides five single‑country plans specifically for Japan and four multi‑country plans that cover Japan as part of a broader regional package. The available plans span a price range from roughly $8.49 to $61.99, while the data caps vary between 2 GB and 50 GB. These options allow travelers to choose either a dedicated Japan‑only package or a multi‑country plan that includes Japanese coverage, depending on how wide a geographic scope they need.
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