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Best Fish Ultimate Battle Apps & Games

188+ iOS apps & games curated and reviewed

4.3 avg rating
20 free apps & games
Updated May 2026

Fish.IO is the household name in fish ultimate battle, but it's far from the only option. We track 188+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Fish Ultimate Battle

Fish.IO - Sushi Battle#1

Fish.IO - Sushi Battle by ABI GLOBAL LTD.

Be the Fish King in aquarium
Editor's Choice
🎮 Games
4.8😞(12K ratings)
FreeAdsIn-App Purchases
Fish.IO - Sushi Battle screenshot 1
Fish.IO - Sushi Battle screenshot 2
Fish.IO - Sushi Battle screenshot 3
Fish.IO - Sushi Battle screenshot 4
Fish.IO - Sushi Battle screenshot 5
Fish.IO - Sushi Battle screenshot 6

Control a baby shark in a vibrant aquarium, hunting smaller fish and avoiding predators. Eat sushi to boost your power and collect fish heads to dominate the sea and become king. Engage in thrilling io gameplay against players worldwide.

What We Love

  • 🎮 Fun and addictive gameplay
  • 👍 Satisfying chopping/slicing mechanics
  • 🤩 Visually appealing graphics

Room to Improve

  • 💸 Excessive and intrusive ads
  • 🤬 Misleading advertisements about no ads
  • 🐛 Bugs and glitches (e.g. black screen on death, frozen loading screen)
Fish & Trip#2

Fish & Trip by Bloop

Lead your school of fish!
Strong Contender
🎮 Games
4.7😊(8.5K ratings)
FreeIn-App Purchases
Fish & Trip screenshot 1
Fish & Trip screenshot 2
Fish & Trip screenshot 3
Fish & Trip screenshot 4

Lead a school of fish to survive in a dangerous ocean. Grow your group, collect eggs, and discover new species while avoiding predators. Enjoy vibrant graphics and engaging missions.

What We Love

  • 👍 Entertaining and great for passing time
  • 👍 Cute and fun fish designs
  • 👍 Simple and addictive gameplay
  • 👍 Relaxing and good for killing time

Room to Improve

  • 🐛 Repetitive missions
  • 💰 Expensive in-app purchases for fish
  • 📺 Too many ads
Fish Go.io - Be the fish king#3

Fish Go.io - Be the fish king by Whitedot International Group Limited

Merge, grow & battle under sea
Worth Considering
🎮 Games
4.7😊(16K ratings)
FreeAdsIn-App Purchases
Fish Go.io - Be the fish king screenshot 1
Fish Go.io - Be the fish king screenshot 2
Fish Go.io - Be the fish king screenshot 3
Fish Go.io - Be the fish king screenshot 4
Fish Go.io - Be the fish king screenshot 5
Fish Go.io - Be the fish king screenshot 6

Lead a school of fish to grow by collecting others and swallowing opponents. Upgrade your fish to become the largest and rule the underwater kingdom. Engage in survival challenges and mini-games.

What We Love

  • 👍 Fun and addictive game
  • 🐟 Variety of fish to collect
  • 🎮 Enjoyable gameplay
  • 🎉 Great for when bored

Room to Improve

  • 💸 Too many ads
  • 🤖 Suspected AI opponents instead of real players
  • 🕰️ Frustrating time limits

More Fish Ultimate Battle apps to explore

4
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
5
Shoal of fish
Shoal of fish
Shoal of fish
Take control like a predator!
Free

Become a predator in a vibrant underwater world. Hunt for smaller fish to grow and survive, while avoiding larger predators. Experience a relaxing yet engaging fishing adventure.

Hunt for fishSwim in a shoalControl a predator
🎮 Games
(18K)
ad-supported
6
Let's Fish:Sport Fishing Games
Let's Fish:Sport Fishing Games
Let's Fish:Sport Fishing Games
Catching fish - real simulator
Free

Embark on a virtual fishing adventure with a realistic simulator. Explore diverse locations, catch a wide variety of fish species, and compete with friends. Access a comprehensive collection of virtual fishing gear for an authentic experience.

Realistic fishing simulatorOver 60 stunning locationsOver 650 species of fish
🎮 Games
(8.5K)
free with in-app purchases
7
Ace Fishing: Wild Catch
Ace Fishing: Wild Catch
Ace Fishing: Wild Catch
Let's play 3D Fish Game 2020
Free

Experience a realistic 3D fishing adventure from beautiful global destinations. Master simple one-touch controls to catch exotic fish, customize your gear, and compete in worldwide tournaments. Enjoy stunning graphics and engaging gameplay that makes fishing accessible to everyone.

Realistic 3D fishing adventureSimple one-touch controlsJaw-dropping 3D graphics
🎮 Games
(4.8K)
free with in-app purchases
8
Fish IO: Be the King
Fish IO: Be the King
Fish IO: Be the King
Fish IO: Be the King
Free

Engage in a thrilling multiplayer arena as a shark with a sword. Hunt other fish, collect trophies, and consume sushi to grow stronger. Dominate the ocean and become the king of the sea in this free-to-play IO game.

Play as a shark with a swordMultiplayer arena combatHunt prey and avoid other players
🎮 Games
(675)
free with in-app purchases
9
Fishing Superstars
Fishing Superstars
Fishing Superstars
Superb Rod Action!
Free

Engage in realistic fishing with a vast collection of fish and competitive gameplay. Join guilds, recruit deckhands, and upgrade your gear to become the ultimate angler. Compete in leagues and daily challenges for rewards and bragging rights.

Real-time guild battles and grand-prixChampions League for expert anglersEquipment breakdown and enhancement
🎮 Games
(502)
free with in-app purchases
10
Go Fish!
Go Fish!
Go Fish!
Go deep and catch rare fish!
Free

Dive deep into the ocean to catch a variety of fish. Upgrade your gear to reach new depths, discover rare species, and earn money even when you're offline. Can you uncover the ocean's secrets?

Simple and addictive tap gameplayUpgrade net for more fish and deeper divesOffline earnings system
🎮 Games
(454K)
free with in-app purchases
11
KirinFishing: fish game table
KirinFishing: fish game table
KirinFishing: fish game table
The ultimate online fishing
Free

Engage in thrilling underwater battles with a variety of fish characters and powerful special abilities. Compete with up to four players to catch the most fish and multiply your wins. Experience high-quality 3D graphics and immersive undersea themes.

3D graphics and undersea themes28 fish charactersFast Bombs for quick catches
🎮 Games
(255)
free with in-app purchases
12
Fish Tales ™
Fish Tales ™
Fish Tales ™
by WISE WAVE CORPORATION LIMITED
Free

Build your own dream undersea world by collecting and evolving hundreds of unique fish. Explore different seas, decorate your ocean environment, and complete challenging tasks. Visit friends' seas, trade fish, and discover hidden treasures.

Collect hundreds of fish charactersEvolve fish with unique transformationsExplore and create different ocean worlds
🎮 Games
(538)
free with in-app purchases
13
Fish Eat Fish.io:Hunger Games
Fish Eat Fish.io:Hunger Games
Fish Eat Fish.io:Hunger Games
Grow&Dominate As a Little Fish
Free

Grow from a tiny fish into the apex predator in a vast ocean. Devour marine life, unlock abilities, and discover over 100 unique species. Collect ancient creatures and gain powers from "Great Hoards" to dominate the seas.

Eat and grow to surviveUnlock special abilitiesDiscover over 100 fish species
🎮 Games
(3.5K)
free with in-app purchases
14
Fish Royale - Underwater Arena
Fish Royale - Underwater Arena
Fish Royale - Underwater Arena
Become the last one to survive
Free

Dive into a vibrant underwater arena and battle other fish. Grow by consuming smaller opponents to become the ultimate survivor in this competitive aquatic world. Can you outlast everyone else?

Underwater arena combatEat fish to grow largerLast fish standing survival
🎮 Games
(487)
ad-supported
15
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
(6.5K)
free with in-app purchases
16
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
17
Catch Big Fish Challenge
Catch Big Fish Challenge
Catch Big Fish Challenge
Catch The Longest Fish
Free
🎮 Games
(1)
18
Eat Fish.IO
Eat Fish.IO
Eat Fish.IO
Eat more, grow more, eat more
Free

Navigate the deep ocean, consuming smaller fish to grow larger and evolve through multiple stages. Become the ultimate predator in this action-packed survival game.

Eat fish to grow biggerEvolve through 4 levelsVariety of fish species
🎮 Games
(1.6K)
free with in-app purchases
19
Circle the Fish
Circle the Fish
Circle the Fish
Circle the fish and catch it!
Free

Navigate your boat to surround fish with a net and catch them. Sell your catch to earn money, which can be used to upgrade your boat, locations, and unlock new cosmetic skins. Aim to become the ultimate fisherman.

Circle fish with a netCatch and sell fishUpgrade boat performance
🎮 Games
(3.9K)
free with in-app purchases
20
Creatures of the Deep
Creatures of the Deep
Creatures of the Deep
multiplayer adventure fishing
Free

Embark on a unique multiplayer fishing adventure filled with ancient secrets, lost monsters, and mysterious treasures. Explore diverse locations, catch over 600 species, and uncover hidden stories. Customize your gear, compete in duels, or join a clan to build a legacy.

Explore diverse fishing locationsCatch 600+ species of fish and creaturesDiscover hidden stories and relics
🎮 Games
(61K)
free with in-app purchases