BlueDen - Ocean Aquarium
Naoki Hasegawa Entertainment iPhoneiPadiPod touch
BlueDen - Ocean Aquarium is a free Entertainment app for iPhone and iPad by Naoki Hasegawa. Requires iOS 15.1. Updated June 16, 2026.
- Price
- Free
- on the App Store
- Size
- 67 MB
- Age 4+
- Updated
- Jun 16
- 2026 · v1.0.2
Screenshots
About BlueDen - Ocean Aquarium
BlueDen is a calm 3D ocean aquarium for relaxing with dolphins, whales, orcas, sharks, fish, and gentle underwater ambience. Enjoy the feeling of looking into the sea, a quiet diving window, or a small deep-sea world on your screen. Adjust the number of sea creatures, listen to soft ocean sounds, and keep a soothing underwater view nearby while you work, rest, focus, or wind down before sleep. BlueDen is made for quiet moments: a virtual ocean, a sea-life viewer, and a relaxing ambient companion rather than a game or a biological reference app.
What’s new
Version 1.0.2 · Updated June 16, 2026
Updated the App Store listing and screenshots for BlueDen. The calm 3D ocean aquarium experience remains the same.
App privacy
The developer, Naoki Hasegawa, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
Used for: Third-Party Advertising
Alternatives to BlueDen - Ocean Aquarium
Looking for apps like BlueDen - Ocean Aquarium? Here are 6 similar apps on the App Store. The highest rated is MUSEQCITY (5.0/5), and 5 of the 6 are free to download.
-
mathru@KanimisoP FanClub
-
말랑라이프: 말랑이 ASMR 게임
-
MUSEQCITY
5.0
-
うみめぐり 歩ける水族館と生きもの図鑑
-
Halloween Adventure Quest
-
Super Brain: OneStroke Drawing
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| BlueDen - Ocean Aquarium | – | Free | June 16, 2026 | |
| mathru@KanimisoP FanClub | – | Free | Dec 31, 2025 | Compare |
| 말랑라이프: 말랑이 ASMR 게임 | – | Free | Aug 18, 2026 | Compare |
| MUSEQCITY | 5.0 / 5 (3) | Free | May 6, 2026 | Compare |
| うみめぐり 歩ける水族館と生きもの図鑑 | – | Free | Oct 16, 2026 | Compare |
| Halloween Adventure Quest | – | Free | Sep 25, 2025 | Compare |
| Super Brain: OneStroke Drawing | – | 0.99 USD | Jul 12, 2026 | Compare |