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Best Weird Aquarium Apps & Games

249+ iOS apps & games curated and reviewed

4.2 avg rating
19 free apps & games
Updated August 2026

The best weird aquarium apps and games on iPhone average 4.2★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Weird Aquarium Apps & Games (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Weird AquariumWeird AquariumFree4.8★ (2.5K)YesNoAug 2026
2Cryptid AquariumCryptid AquariumFree4.9★ (246)YesYesAug 2026
3Glass AquariumGlass AquariumFree—NoNoJun 2026
4AquaPlantsAquaPlantsFree4.7★ (43)YesYesAug 2026
5Splash — Fish AquariumSplash — Fish AquariumFree4.7★ (6.3K)YesYesAug 2026
6Fish Farm 3 - AquariumFish Farm 3 - AquariumFree4.6★ (6.6K)YesYesAug 2026
7Kotodama DiaryKotodama DiaryFree4.9★ (3.1K)YesYesAug 2026
8Paradise - Fish AquariumParadise - Fish AquariumFree4.6★ (3.5K)NoYesAug 2026

Top Picks for Weird Aquarium

Weird Aquarium#1

Weird Aquarium by Ryota Kikuchi

3D aquarium-building game
Editor's Choice
🎮 Games
4.8😊(2.5K ratings)
FreeAds
Weird Aquarium screenshot 1
Weird Aquarium screenshot 2
Weird Aquarium screenshot 3
Weird Aquarium screenshot 4
Weird Aquarium screenshot 5

Build and manage a unique 3D aquarium filled with bizarre creatures. Collect and raise unusual animals and monsters, and decorate your tank to attract even more visitors. Enjoy a relaxing and simple gameplay experience where you can earn energy from your creatures to purchase new items.

What We Love

  • 👍 Addictive and fun
  • 🤩 Unique and creative concept
  • 😊 Relaxing and entertaining
  • 💕 Charming and adorable creatures

Room to Improve

  • 🐛 Crashes and bugs
  • ⏱️ Slow progression and limited content
  • 🙄 Repetitive and lacking in variety
Cryptid Aquarium#2

Cryptid Aquarium by Ryota Kikuchi

Nysterious creatures.
Strong Contender
🎮 Games
4.9(246 ratings)
FreeAdsIn-App Purchases
Cryptid Aquarium screenshot 1
Cryptid Aquarium screenshot 2
Cryptid Aquarium screenshot 3
Cryptid Aquarium screenshot 4
Cryptid Aquarium screenshot 5

Discover and collect a variety of mysterious creatures, from fish and animals to plants and mushrooms. Feed them to make them multiply, train them for sports competitions, and aim for the top rankings. This game offers a fun and engaging way to pass the time with its free-range breeding and farm-building mechanics.

More Weird Aquarium apps to explore

4
AquaPlants
AquaPlants
AquaPlants
Aquarium incremental game
Free

Cultivate a vibrant underwater world by growing aquatic plants and observing their photosynthesis. As your plants flourish, attract a variety of beautiful tropical fish to your aquarium. This idle game offers a relaxing experience with charming animations and detailed plant information.

Idle incremental gameplayGrow aquatic plantsAttract tropical fish
🎮 Games
(43)
free with in-app purchases
5
Splash — Fish Aquarium
Splash — Fish Aquarium
Splash — Fish Aquarium
Ocean wonders await!
Free

Care for a vibrant ocean reef and collect hundreds of sea creatures. Discover new species, learn facts about marine life, and decorate your sanctuary. Participate in special events and connect with friends to build thriving underwater worlds.

Collect and care for sea creaturesLearn marine life factsDecorate your reef
🎮 Games
(6.3K)
free with in-app purchases
6
Fish Farm 3 - Aquarium
Fish Farm 3 - Aquarium
Fish Farm 3 - Aquarium
Aquarium Simulator
Free

Create and manage your own vibrant 3D aquariums filled with a vast array of marine life. Buy, breed, and sell fish to expand your collection, customize your tanks with decorations, and enjoy realistic fish behavior and interactions.

Realistic 3D fish speciesAquarium customizationFish breeding and cross-breeding
🎮 Games
(6.6K)
free with in-app purchases
7
Kotodama Diary
Kotodama Diary
Kotodama Diary
Grow your pet by feeding words
Free

Nurture unique virtual pets whose evolution is determined by the words you choose. Decorate their rooms, dress them in accessories, and discover over 100 bizarre species. A relaxing game for those who enjoy collecting and quirky characters.

Word-based pet evolutionCollect over 100 speciesRoom decoration
🎮 Games
(3.1K)
free with in-app purchases
8
Paradise - Fish Aquarium
Paradise - Fish Aquarium
Paradise - Fish Aquarium
Relaxing Ocean Aquarium
Free

Create and customize your own vibrant underwater world with a vast array of fish, sea creatures, and decorations. Raise and breed exotic fish, discover new species, and connect with a community of fellow aquarium enthusiasts through chat and gifting.

Aquarium simulation and decorationRaise and breed various fish speciesDiscover diverse sea creatures
🎮 Games
(3.5K)
free with in-app purchases
9
Aquarium Tracker - Fish Tank
Aquarium Tracker - Fish Tank
Aquarium Tracker - Fish Tank
Water Tests & Smart Alerts
Free

Monitor your aquarium's water quality with detailed tracking and smart alerts. Identify fish species from photos, check compatibility, and get reminders for essential maintenance to keep your aquatic life healthy.

Water parameter logging (pH, ammonia, nitrate, etc.)Smart alerts for critical water valuesAI-powered fish species identification
🔧 Utilities
(1)
free
10
Aquarium Advice Forums
Aquarium Advice Forums
Aquarium Advice Forums
by Social Knowledge, LLC
Free

Connect with a vibrant community of aquarium owners and enthusiasts. Get expert advice, diagnose fish and plant issues, and share reviews of aquarium equipment. Upload photos and stay updated with the latest discussions on the go.

Access community forumsDiagnose fish/plant problemsRead/post equipment reviews
🌐 Social Networking
(12)
free
11
DramaWave - Dramas & Reels
DramaWave - Dramas & Reels
DramaWave - Dramas & Reels
Drama Shorts, TV Series&Reels
Free

Stream exclusive vertical TV shows, series, and movies in HD. Discover over 30,000 dramas in 18 languages with unique features like on-screen comments and offline viewing. Enjoy personalized content and new originals added weekly.

Exclusive vertical TV videos30,000+ dramas in 18 languagesOn-screen comments
🎬 Entertainment
(157K)
subscription
12
Aqua-Info - Aquarismo
Aqua-Info - Aquarismo
Aqua-Info - Aquarismo
O seu gestor de aquários
$7.99

Manage your aquarium with detailed information on fish, plants, and invertebrates. Offers alerts, reminders, and maintenance history tracking for both beginners and professionals. Access comprehensive offline data anytime, anywhere.

Detailed aquatic life informationOffline data accessMaintenance alerts and reminders
🔧 Utilities
(1)
paid
13
Aquasnap: Aquarium Fish Care
Aquasnap: Aquarium Fish Care
Aquasnap: Aquarium Fish Care
AI fish, coral & plant ID
Free
🌟 Lifestyle
(0)
14
Aquarium Master
Aquarium Master
Aquarium Master
Your aquarium assistant!
Free
🔧 Utilities
(0)
15
Mobile Aquarium
Mobile Aquarium
Mobile Aquarium
by TLogic.de
Free

Create and manage a virtual aquarium, raising fish from babies to adults. Your care determines their survival and happiness, with options to name, color, and even dress them up. Enjoy a charming simulation with unique 2D graphics.

Virtual fish raising and careCustomize fish names and colors2D pencil graphics
🎮 Games
(13)
free with in-app purchases
16
AQUARIUM STUDIO
AQUARIUM STUDIO
AQUARIUM STUDIO
by sooyeong JEONG
Free
🔧 Utilities
(0)
17
AquaPulse: Aquarium Assistant
AquaPulse: Aquarium Assistant
AquaPulse: Aquarium Assistant
Build a healthier aquarium
Free
🔧 Utilities
(0)
18
AquaGuru: Smart Aquarium Care
AquaGuru: Smart Aquarium Care
AquaGuru: Smart Aquarium Care
Dosing, AI Diagnosis & Trends
Free
🌟 Lifestyle
(0)
19
Aqueon BlueIQ Aquarium Manager
Aqueon BlueIQ Aquarium Manager
Aqueon BlueIQ Aquarium Manager
Fishkeeping at your fingertips
Free

Manage freshwater and saltwater aquariums with this app. It offers guidance on fish compatibility, tank stocking, and equipment, along with scheduling and control for compatible lighting systems. Receive notifications for feeding and maintenance, and access fish care guides.

Aquarium monitoringFish compatibility guidesFeeding and maintenance reminders
🌟 Lifestyle
(73)
free
20
Living Glass Aquarium
Living Glass Aquarium
Living Glass Aquarium
A living glass ecosystem
Free
🎬 Entertainment
(0)

FAQ about Weird Aquarium

What are the best weird aquarium apps & games for iPhone?
Weird Aquarium tops our weird aquarium apps & games ranking as of August 2026, with a 4.8-star average from 2.5K App Store ratings, and it's free to download.
Yes — 19 of the top weird aquarium apps & games we rank are free to download, including Weird Aquarium and Cryptid Aquarium.
Weird Aquarium shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ weird aquarium apps & games on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Weird Aquarium is a relaxing and uncomplicated game where you build and manage a 3D aquarium. You collect and raise unusual creatures, from cute animals to monsters, and decorate your aquarium to attract more visitors.
You can collect dozens of bizarre creatures in the game. Making your aquarium beautiful can also help you get new characters. Creatures are attracted by the beauty of your aquarium as you buy more items.