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Now, It's easier on a ship or on an aircraft! SNS App with the sea! Withsea!

Withsea is a SNS that can be easily used without any communication burden on a ship or an airplane that is disconnected from smart communication ( 3G and LTE, etc ) as well as on land.

Withsea uses minimum communication data, so you can use about 1,000 chats with just 1 MB, so you can use it on a ship or aircraft using satellite communication.

Ship or airplane using satellite communication, without additional equipment or investment, simply by setting the communication open, can be used Withsea

Withsea provides various communication functions such as 1: 1 chat room, group chat room, 1: multi message & 1: multi chat, friend location notification, and provides various multimedia sharing functions such as photo and voice.
(However, sharing of multimedia with ship or aircraft may be limited depending on satellite communication)

Now, send the longing for family or friends of distant sea, with Withsea.

[Main Features]
◆ Easy communication between land to land, ship(aircraft) to ship(aircraft), land to ship(aircraft), in ship(aircraft)

◆ By using minimum communication data, about 1,000 chats is available with just 1 MB

◆ It can be used without any burden on a ship or an airplane with large satellite communication burden.

◆ 1: 1 chat room, group chat room support

◆ 1: Multi message & 1: Multi chat function support

◆ Identify contact's connection mode(location)

■ In a ship or airplane using satellite communication, without additional equipment or investment in facilities, Withsea can be used only by setting a simple communication open to satellite communication equipment.

■ If there are many users on board such as passenger ships or cruise ships, installing Withsea set-top box, which is provided separately, can maximize communication savings

■ Downloading or updating apps may be restricted on ships or aircraft, so please download Withsea app via 3G / 4G or Wifi connection on land.

■ For more information, please visit our website (withsea.net).

[Premium Mode Guidance]

* Premium mode is a paid service that can be used on ships or aircraft that need to use satellite communication without any burden of communication.
* Premium passes are monthly subscription ($7.99), premium coupon 7 days($2.99), 15 days ($4.99) and 30 days ($8.99).
* It may vary depending on the region.
* Service charges will be charged to your credit card through your iTunes account.
* Subscription automatically renews unless canceled at least 24 hours before the end of the current subscription period.
* After purchase, manage your subscription in your account settings.

- If you don't cancel your subscription, it will automatically be paid within 24 hours of the end of your subscription period, and you can check the updated amount.
- Subscribed products can be managed by the user and automatically renewed from iTunes account settings after purchase.

Terms and Conditions: http://www.withsea.net/doc/withsea_terms_of_service.html
Personal Information Handling: http://www.withsea.net/doc/withsea_privacy_of_service.html

an official enquiry
Home page: withsea.net
Email: service@withsea.net
Contact: 1688-9661

What’s New

Version 2.0.27

- App enhancements and bug fixes

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

App Privacy

The developer, THINKmarine. Co.Ltd., has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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