FishFish: Cozy Aquarium
Raise Fish, Build a Cozy Tank
Free · In‑App Purchases
FishFish: Cozy Aquarium is a relaxing idle aquarium game about slowing down, raising fish, and watching your little underwater world grow.
Open the game anytime to enjoy gentle fish swimming, soft water effects, calming music, and a warm hand-painted style. Your aquarium continues earning coins over time, so even a short visit can help your underwater world become a little more lively.
Feed your fish, keep the water clean, collect coins, and choose which new fish, plants, or decorations to add next. Each small choice helps shape your aquarium—a few more fish, a new plant, clearer water, or another step toward completing your collection.
Features:
Relaxing idle aquarium gameplay
Cute fish with gentle, natural swimming behavior
Feeding, hunger, happiness, and gentle care interactions
Water quality maintenance with cleaning and filter options
Fish growth from eggs to young fish and adults
Collectable fish species and visual variants
Aquarium plants and simple decoration editing
Coins earned over time, even during short play sessions
Local saving with automatic iCloud backup when available
No competitive pressure or complicated task chains
FishFish: Cozy Aquarium is designed for quiet moments—during a break, after work, before bed, or whenever you want to check in on a small peaceful world of your own.
There is no need to stay online for long periods or master complicated controls. Watch your fish, care for them at your own pace, and slowly build an aquarium that feels personal, warm, and alive.
1. Added a theme preview feature.
2. Added 4 new varieties of classic ornamental fish.
3. Doubled the capacity of all fish tanks.
4. Adjusted the beginner difficulty level.
5. Fixed several known issues.
The developer, Cheng Zou, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Cheng Zou
- Size
- 1 GB
- Category
- Casual
- Compatibility
Requires iOS 15.0 or later and a device with the A12 Bionic chip or later.
- iPhone
Requires iOS 15.0 or later and a device with the A12 Bionic chip or later.
• iPhone XS
• iPhone XS Max
• iPhone XR
• iPhone 11
• iPhone 11 Pro
• iPhone 11 Pro Max
• iPhone SE (2nd generation)
• iPhone 12 mini
• iPhone 12
• iPhone 12 Pro
• iPhone 12 Pro Max
• iPhone 13 Pro
• iPhone 13 Pro Max
• iPhone 13 mini
• iPhone 13
• iPhone SE (3rd generation)
• iPhone 14
• iPhone 14 Plus
• iPhone 14 Pro
• iPhone 14 Pro Max
• iPhone 15
• iPhone 15 Plus
• iPhone 15 Pro
• iPhone 15 Pro Max
• iPhone 16
• iPhone 16 Plus
• iPhone 16 Pro
• iPhone 16 Pro Max
• iPhone 16e
• iPhone 17 Pro
• iPhone 17 Pro Max
• iPhone 17
• iPhone Air
• iPhone 17e
• iPhone 18 Pro
• iPhone 18 Pro Max
• iPhone Duo - iPad
Requires iPadOS 15.0 or later and a device with the A12 Bionic chip or later.
• iPad Pro (11‑inch)
• iPad Pro (11‑inch) Wi‑Fi + Cellular
• iPad Pro (12.9‑inch) (3rd generation)
• iPad Pro (12.9‑inch) (3rd generation) Wi‑Fi + Cellular
• iPad mini (5th generation)
• iPad mini (5th generation) Wi‑Fi + Cellular
• iPad Air (3rd generation)
• iPad Air (3rd generation) Wi‑Fi + Cellular
• iPad Pro (11‑inch) (2nd generation)
• iPad Pro (11‑inch) (2nd generation) Wi‑Fi + Cellular
• iPad Pro (12.9‑inch) (4th generation)
• iPad Pro (12.9‑inch) (4th generation) Wi‑Fi + Cellular
• iPad Air (4th generation)
• iPad Air (4th generation) Wi‑Fi + Cellular
• iPad (8th generation)
• iPad (8th generation) Wi‑Fi + Cellular
• iPad Pro (11-inch) (3rd generation)
• iPad Pro (11-inch) (3rd generation) Wi‑Fi + Cellular
• iPad Pro (12.9-inch) (5th generation)
• iPad Pro (12.9-inch) (5th generation) Wi-Fi + Cellular
• iPad mini (6th generation)
• iPad mini (6th generation) Wi-Fi + Cellular
• iPad (9th generation)
• iPad (9th generation) Wi-Fi + Cellular
• iPad Air (5th generation)
• iPad Air (5th generation) Wi‑Fi + Cellular
• iPad (10th generation)
• iPad (10th generation) Wi‑Fi + Cellular
• iPad Pro (11‑inch) (4th generation)
• iPad Pro (11‑inch) (4th generation) Wi‑Fi + Cellular
• iPad Pro (12.9‑inch) (6th generation)
• iPad Pro (12.9‑inch) (6th generation) Wi‑Fi + Cellular
• iPad Air 11-inch (M2)
• iPad Air 11-inch (M2) Wi-Fi + Cellular
• iPad Air 13-inch (M2)
• iPad Air 13-inch (M2) Wi-Fi + Cellular
• iPad Pro 11-inch (M4)
• iPad Pro 11-inch (M4) Wi-Fi + Cellular
• iPad Pro 13-inch (M4)
• iPad Pro 13-inch (M4) Wi-Fi + Cellular
• iPad mini (A17 Pro)
• iPad mini (A17 Pro) Wi-Fi + Cellular
• iPad (A16)
• iPad (A16) Wi-Fi + Cellular
• iPad Air 11-inch (M3)
• iPad Air 11-inch (M3) Wi-Fi + Cellular
• iPad Air 13-inch (M3)
• iPad Air 13-inch (M3) Wi-Fi + Cellular
• iPad Pro 11-inch (M5)
• iPad Pro 11-inch (M5) Wi-Fi + Cellular
• iPad Pro 13-inch (M5)
• iPad Pro 13-inch (M5) Wi-Fi + Cellular
• iPad Air 11-inch (M4)
• iPad Air 11-inch (M4) Wi-Fi + Cellular
• iPad Air 13-inch (M4)
• iPad Air 13-inch (M4) Wi-Fi + Cellular - Mac
Requires macOS 12.0 or later. - Apple Vision
Requires visionOS 1.0 or later and a device with the A12 Bionic chip or later.
- iPhone
- Languages
English and 7 more
- English, French, German, Japanese, Korean, Simplified Chinese, Thai, Traditional Chinese
- Age Rating
13+
- 13+
- In-App Purchases
Yes
- Iridescent Fish Pack $1.99
- Moonlight Plants Pack $1.99
- Algae-Cleaning Squad Pack $1.99
- Cleaning Tool Shrimp Pack $1.99
- Ancient Valley Scenery Pack $1.99
- Starlight Dream Pack $1.99
- Romantic Sakura $2.99
- Deep-Sea Research Pack $1.99
- Koi: Brilliant Collection Pack $2.99
- Koi: Classic Collection Pack $2.99
- Copyright
- © 2026 PowerCC