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Best Happy Aquarium Apps & Games

250+ iOS apps & games curated and reviewed

4.2 avg rating
20 free apps & games
Updated August 2026

Splash is the household name in happy aquarium, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Happy Aquarium Apps & Games (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Splash — Fish AquariumSplash — Fish AquariumFree4.7★ (6.3K)YesYesAug 2026
2Fish Farm 3 - AquariumFish Farm 3 - AquariumFree4.6★ (6.6K)YesYesAug 2026
3Fish Adventure - AquariumFish Adventure - AquariumFree4.2★ (258)NoYesAug 2026
4Paradise - Fish AquariumParadise - Fish AquariumFree4.6★ (3.5K)NoYesAug 2026
5Zoo Craft - Animal Park TycoonZoo Craft - Animal Park TycoonFree4.6★ (7.1K)YesYesAug 2026
6Fish Tycoon 2 Virtual AquariumFish Tycoon 2 Virtual AquariumFree4.2★ (3.8K)YesYesAug 2026
7Happy Fish +Happy Fish +Free4.5★ (1K)YesYesAug 2026
8Aquarium - Fish GameAquarium - Fish GameFree4.5★ (44)YesYesJul 2026

Top Picks for Happy Aquarium

Splash — Fish Aquarium#1

Splash — Fish Aquarium by Runaway

Ocean wonders await!
Editor's Choice
🎮 Games
4.7😊(6.3K ratings)
FreeAdsIn-App Purchases
Splash — Fish Aquarium screenshot 1
Splash — Fish Aquarium screenshot 2
Splash — Fish Aquarium screenshot 3
Splash — Fish Aquarium screenshot 4
Splash — Fish Aquarium screenshot 5
Splash — Fish Aquarium screenshot 6

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.

What We Love

  • 👍 Great game, amazing support
  • 🐠 Beautifully rendered fish and coral species
  • 🎓 Educational tidbits about marine life
  • 🎨 Visually gorgeous and immersive

Room to Improve

  • 🐛 Occasional crashes and loss of progress
  • 🕰️ Slow progression and difficulty obtaining rare items
  • 💰 Expensive upgrades and in-app purchases
Fish Farm 3 - Aquarium#2

Fish Farm 3 - Aquarium by bitbros Inc.

Aquarium Simulator
Strong Contender
🎮 Games
4.6😊(6.6K ratings)
FreeAdsIn-App Purchases
Fish Farm 3 - Aquarium screenshot 1
Fish Farm 3 - Aquarium screenshot 2
Fish Farm 3 - Aquarium screenshot 3
Fish Farm 3 - Aquarium screenshot 4
Fish Farm 3 - Aquarium screenshot 5
Fish Farm 3 - Aquarium screenshot 6

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.

What We Love

  • 💎 Realistic fish and aquarium graphics
  • 🎨 Ability to crossbreed and recolor fish
  • 🕹️ Fun mini-games
  • 🎁 Decent free-to-play model with optional purchases

Room to Improve

  • ⏱️ Slow leveling and progression
  • 💰 Expensive to heal sick fish or unlock new content
  • 🔍 Limited variety of fish, plants, and decorations
Fish Adventure - Aquarium#3

Fish Adventure - Aquarium by Frismos

Worth Considering
🎮 Games
4.2😞(258 ratings)
FreeIn-App Purchases
Fish Adventure - Aquarium screenshot 1
Fish Adventure - Aquarium screenshot 2
Fish Adventure - Aquarium screenshot 3
Fish Adventure - Aquarium screenshot 4

Create and customize vibrant virtual aquariums filled with a variety of colorful fish and sea creatures. This interactive game is suitable for children, offering an engaging and educational experience about marine life and environmental awareness. New creatures are added weekly.

What We Love

  • 🎮 Addictive and fun gameplay mechanics
  • 🐠 Wide variety of fish and creatures to collect
  • 🎨 Cute graphics and animation style
  • ⏱️ Good time-killer and relaxing experience

Room to Improve

  • 🐛 Frequent freezing and loading screen issues
  • 💸 Severe payment processing problems and overcharging
  • 🚫 No customer support or contact options

More Happy Aquarium apps to explore

4
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
5
Zoo Craft - Animal Park Tycoon
Zoo Craft - Animal Park Tycoon
Zoo Craft - Animal Park Tycoon
Zookeeper Simulator & Aquarium
Free

Build and manage your dream zoo, caring for animals from around the world. Craft new species in a magic lab, design unique habitats, and entertain visitors to become a zoo tycoon. Explore and help friends' zoos in this engaging simulation game.

Build and design custom zoosCare for over 200 animal speciesCraft new animal species in a lab
🎮 Games
(7.1K)
free with in-app purchases
6
Fish Tycoon 2 Virtual Aquarium
Fish Tycoon 2 Virtual Aquarium
Fish Tycoon 2 Virtual Aquarium
A lovely real-time aquarium!
Free

Breed and sell virtual fish to upgrade your aquarium and store. Discover over 400 unique species, nurture them with magical plants, and decorate your tank. Become the ultimate fish store tycoon in this real-time simulator.

Breed and sell over 400 unique fish speciesUpgrade and decorate virtual aquarium tanksRenovate and expand your fish store
🎮 Games
(3.8K)
free with in-app purchases
7
Happy Fish +
Happy Fish +
Happy Fish +
Leisure fish farming
Free

Engage in a relaxing virtual fish farming experience with over 3000 unique fish species. Interact with your aquatic pets, decorate their habitats with beautiful backgrounds, and enjoy daily activities and mini-games. Connect with friends to share the fun and discover treasures.

Over 3000 unique fish speciesInteractive feeding and playVariety of beautiful backgrounds with music
🎮 Games
(1K)
free with in-app purchases
8
Aquarium - Fish Game
Aquarium - Fish Game
Aquarium - Fish Game
Educational fun games to learn
Free

Care for virtual fish in a customizable underwater world. Feed your pets, keep their tank clean, and decorate their habitat with various marine elements and treasures. This interactive game offers educational fun and encourages creativity.

Virtual fish and animal careFeed and clean the aquariumOffline play capability
🎮 Games
(44)
free with in-app purchases
9
Jengu - Tech Meets Nature
Jengu - Tech Meets Nature
Jengu - Tech Meets Nature
by Desgeo (Shenzhen) Technology Co., Ltd.
Free
🔧 Utilities
(0)
10
Living Glass Aquarium
Living Glass Aquarium
Living Glass Aquarium
by Jamison Hill
Free
🎬 Entertainment
(0)
11
Tank Buddy: Aquarium Care
Tank Buddy: Aquarium Care
Tank Buddy: Aquarium Care
by Devyn carr
Free
🌟 Lifestyle
(0)
12
Fish Farm
Fish Farm
Fish Farm
by bitbros Inc.
Free

Create and manage your own virtual aquarium empire. Choose from over 200 exotic 3D fish and sharks, and customize your underwater environments with more than 85 decorations. Buy, breed, and sell fish to earn coins and unlock new content.

200+ realistic 3D fish and sharks85+ decorative itemsBuy, breed, and sell fish
🎮 Games
(394)
paid
13
Cool Aquarium
Cool Aquarium
Cool Aquarium
Take care of fish from afar
Free
🔧 Utilities
(0)
14
Tap Tap Fish - AbyssRium
Tap Tap Fish - AbyssRium
Tap Tap Fish - AbyssRium
My healing aquarium
Free

An idle, relaxing game designed to relieve stress and calm the mind. Expand your aquarium, invite adorable fish friends, and enjoy a peaceful experience. Watch your underwater world grow and feel your worries melt away.

Idle relaxing gameplayStress relief and calming atmosphereAquarium expansion
🎮 Games
(24K)
free with in-app purchases
15
Fishing Clash: Happy Aquarium
Fishing Clash: Happy Aquarium
Fishing Clash: Happy Aquarium
#1 Idle Game Fish Farm Empire
Free

Nurture a vibrant aquarium filled with unique fish. Upgrade your aquatic companions, utilize powerful boosters to accelerate growth, and complete daily tasks to earn rewards. Enjoy a relaxing and visually stunning underwater experience.

Raise and nurture diverse fish speciesUpgrade fish to unlock rare creaturesUtilize boosters for faster growth
🎮 Games
(1)
free with in-app purchases
16
Aquadayum: AI Aquarium App
Aquadayum: AI Aquarium App
Aquadayum: AI Aquarium App
AI Aquarium Companion
Free
🌟 Lifestyle
(0)
17
Aquora: AI Aquarium Manager
Aquora: AI Aquarium Manager
Aquora: AI Aquarium Manager
AI tank coaching & logs
Free
🔧 Utilities
(0)
18
Reef Coach – Reef Tank AI
Reef Coach – Reef Tank AI
Reef Coach – Reef Tank AI
Reef tank AI, sync & widgets
Free
🌟 Lifestyle
(0)
19
ReefKeep
ReefKeep
ReefKeep
by Enovira AB
Free
🔧 Utilities
(0)
20
TankSense: Aquarium Care
TankSense: Aquarium Care
TankSense: Aquarium Care
Freshwater, Reef & Fish Health
Free
🌟 Lifestyle
(0)

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FAQ about Happy Aquarium

What are the best happy aquarium apps & games for iPhone?
Splash — Fish Aquarium tops our happy aquarium apps & games ranking as of August 2026, with a 4.7-star average from 6.3K App Store ratings, and it's free to download.
Yes — 20 of the top happy aquarium apps & games we rank are free to download, including Splash — Fish Aquarium and Fish Farm 3 - Aquarium.
Splash — Fish Aquarium shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ happy aquarium apps & games on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Splash is a relaxing game where you become the caretaker of a vibrant ocean reef. You can collect and care for hundreds of sea creatures, discover new species, and learn fascinating facts about them. The game allows you to decorate your reef and restore balance to the wider ocean.
Key features include collecting and nurturing hundreds of ocean species, decorating your reef with coral and décor, learning real-world facts about marine life through the Aquapedia, participating in special limited-time events, and connecting with friends to exchange gifts and help each other.

Related searches

fishing clash: happy aquarium